The Compact Make-Music-Now Keyboard Studio
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Session KeyStudio 25 User Guide
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Session KeyStudio 25 User Guide
Introduction
Congratulations on your purchase of Session KeyStudio 25. This complete music production package contains the KeyStudio 25-note
velocity sensitive USB keyboard and powerful Session music creation software. This provides you with everything you need to compose
great music on your computer.
This User Guide covers setup and features of the KeyStudio 25 USB keyboard and installation of the Session music creation software. Even
if you are experienced with computer-based music production, we still recommend reading this User Guide to help you get the most out
of this package.
Finally, keep in mind that the hardware contained in the bundle can also be used with third-party music software. If you are using
third-party software with the KeyStudio 25 keyboard, you may want to refer to your application’s User Guide to learn how the keyboard
can best be used with your software.
Mac OS X Users: Session KeyStudio 25 is a software and hardware combination designed for Windows XP and Windows Vista. However, the
KeyStudio 25 USB keyboard also works well on Apple computers running Mac OS X and popular applications such as GarageBand. To assist
Apple users, this guide includes KeyStudio 25 installation instructions for OS X.
Session KeyStudio Features
KeyStudio 25 USB Keyboard:
Session Software:
<
<
<
<
<
<
<
<
<
<
<
<
25 full-sized, half-action, velocity sensitive keys
MIDI-reassignable Pitch Bend control
MIDI-reassignable Modulation control
Octave up/down button
<
CD-quality multi-track audio and MIDI recording
software
<
<
Built-in studio-quality effects
Built-in virtual synthesizer with hundreds of instrument
sounds
8 assignable knobs
<
Includes over 3.5 GB of sound content for professional
music creation
8 assignable buttons
1 assignable slider
1 assignable pedal input
USB bus-powered operation
Compatible with M-Audio’s Enigma librarian software
Thin, compact design
Class-compliant operation—no driver installation
required
What’s in the Box?
Your M-Audio Session KeyStudio 25 bundle should contain the following items:
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<
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M-Audio KeyStudio 25 USB keyboard
M-Audio Session DVD-ROM
USB cable
Printed Session KeyStudio 25 Quick Start Guide
If any of the above listed items are missing, please contact the retailer where you purchased the product.
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Session KeyStudio 25 User Guide
Minimum System Requirements
Windows XP (SP2) or higher*
< Pentium 4 1.6 GHz processor (CPU may be higher for laptops)
< 512MB RAM
< 4GB free hard disk space for complete Session software installation 32MB video RAM **
< 1024 x 768 video resolution (1280 x 1024 recommended)
< Built-in or third-party audio interface ☨
< DVD drive for Session software installation
< One native USB port
Windows Vista 32-bit
< Pentium 4 1.6 GHz processor (CPU may be higher for laptops)
< 1 GB RAM
< 4GB free hard disk space for complete Session software installation
< 128 MB video RAM**
< 1024 x 768 video resolution (1280 x 1024 recommended)
< Built-in or third-party audio interface ☨
< DVD drive for Session software installation
< One native USB port
Mac OS X (KeyStudio 25 hardware only)
< Macintosh G4 1GHz ☨☨
< OS X 10.3.9 with 512 MB RAM
< OS X 10.4.9 with 512 MB RAM
< One native USB port
*Home and Professional Edition only. Windows Media Center Edition is not currently supported.
**Session does not support video cards based on any of the following chipsets: S3/VIA UniChrome, SiS EL315, Matrox. If the video card
being used shares system RAM, then overall system RAM requirements may increase by the amount of system RAM shared with the
video card.
☨ Session software will operate with any audio interface; for best performance, M-Audio recommends using an ASIO-compatible
audio interface.
☨☨ G3/G4 accelerator cards are not supported.
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Session KeyStudio 25 User Guide
Installation and Setup
1. Connect the KeyStudio 25 keyboard.
The KeyStudio 25 USB keyboard is class-compliant. This means that you may simply connect the KeyStudio 25 keyboard to your
Windows XP, Windows Vista or Mac OS X computer using the provided USB cable and switch the keyboard on. No additional
installation or drivers are required.
NOTE: Windows users who would like to take advantage of the more advanced features of KeyStudio 25,
such as using the keyboard with more than one application at the same time (multi-client), should install the
optional M-Audio KeyStudio 25 drivers. These drivers can be found by going to the Support > Drivers page at
Advanced installation instructions for Windows users (optional):
1. If you have already connected the KeyStudio 25 keyboard to your computer, disconnect it before beginning the installation.
2. Download the most recent KeyStudio 25 drivers by going to the Support > Drivers page at www.m-audio.com. This ensures
that you have the newest drivers available. Double-click the file once it has finished downloading.
3. Follow the driver installer’s on-screen direction prompts.
4. At various points in this installation process, you may be notified that the driver being installed has not passed Windows
Logo Testing, or asked whether the program you wish to run is a trusted application. Click “Continue Anyway”or “Install”to
proceed with installation.
5. Once the installer has completed, click “Finish.”
6. Attach KeyStudio 25 to an available USB port using the cable provided. Make sure the power switch on the back of the
keyboard is in the “on”position. If you are using Windows Vista, your KeyStudio 25 installation is now complete. If you are
using Windows XP, proceed to steps 7-9.
7. Windows XP will identify the controller and will ask if you want to search the Internet for a driver. Select “No, not this time,”
and press “Next.”
8. Windows XP will display a Found New Hardware Wizard. Choose “Install the software automatically,”and click “Next.”
9. Click “Finish”once the Wizard has completed the installation.
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Session KeyStudio 25 User Guide
2. Install the Session Music Creation Software.
1. Insert the M-Audio Session DVD-ROM into your computer’s DVD-ROM drive.
2. The computer will automatically display the install screen. If your computer fails to launch the installer, manually start it by
clicking on Start > My Computer* and then double-clicking Session.
3. Follow the software installer’s on-screen instructions.
NOTE: Session comes with a large library of loops and instrument samples for music creation, known as
Session Content. During the installation process, you will be asked if you would like to install the Session
Content on your hard drive. If you do not have 4 GB of disk space available, you may choose not to install
the Session Content, but you will then have to place the Session DVD in your DVD-ROM drive whenever you
run Session. Accessing Session’s content via DVD-ROM results in slightly slower computer performance. If
the required hard drive space is available, installing the Session Content on your computer’s hard drive is
recommended.
Please be aware that your Session software’s Factory Content Library may take as long as 30 minutes to
install. This behavior is normal. During the installation process, the installer displays helpful Session tutorial
information.
4. Click “Finish”once the installer has completed the installation.
*If you are using Windows Vista, “My Computer” will be labeled “Computer” in this step.
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Session KeyStudio 25 User Guide
Getting Started Making Music with Session
1. Connect the KeyStudio 25 keyboard to your computer using the supplied USB cable and make sure the keyboard is
switched on.
2. Launch Session by clicking Start > All Programs > M-Audio > Session > Session. Alternatively, if you chose to create a
desktop shortcut icon during installation, you can double-click the shortcut.
3. Click the button labeled “New”in the Session Startup window.
4. A New Composition dialog box will appear allowing you to choose a Name, Time Signature, Key Root, Key Scale, and Tempo
for your composition. After these choices have been made, click OK.
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Session KeyStudio 25 User Guide
5. Click the Add a Track button in the upper left corner of the Session Main Screen.
6. The “What would you like to do?”dialog box will now appear. For this example, select Play and Record with your Keyboard,
and click OK.
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Session KeyStudio 25 User Guide
7. In the “Select Keyboard Sound”dialog box, select the bank of sounds you would like to associate with the first track of your new
song, and click OK.
8. A new track will now appear in the main Session window. You may click the specific instrument you would like to play from the
instrument list appearing on the left side of the screen.
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Session KeyStudio 25 User Guide
9. Try playing notes on your KeyStudio 25 keyboard. If you can hear instrument sounds,you may skip steps 10-12. If your computer
does not yet generate sounds when KeyStudio 25 is played, proceed to step 10 for additional configuration instructions.
10. Go to Options > Audio Hardware and make sure the sound card you wish you use (i.e., your computer’s built-in sound card or an
installed ASIO compatible audio interface) is selected in the Output Device and Input Device pull-down menus. Click OK. See the
following chapter, ”More Information on Configuring Session,”for further explanation of this.
11. Go to Options > MIDI Hardware and make sure “USB Audio Device,”“USB O2,”or “USB O2 In”is selected in the Input Port box.
KeyStudio will appear as “USB Audio Device”in Windows XP and “USB O2”in Windows Vista if additional drivers have not been
installed. If the optional drivers are installed, KeyStudio will appear as “USB O2 In.”Click OK.
Figure A: Session MIDI Hardware dialog window
Figure B: Session MIDI Hardware dialog window
without optional drivers installed in Windows XP.
without optional drivers installed in Windows Vista.
12. You should now be able to use your KeyStudio keyboard to play instruments from the Session instrument library.
More Information on Configuring Session
To play back and record audio in Session, Session must communicate with your sound card.
On first launch, Session attempts to choose the first sound card containing both an audio
input and audio output, effectively making this connection automatically. If Session is not
able to select audio inputs and outputs automatically, it will open the Audio Hardware
dialog. If the process is successful (Session does not open the Audio Hardware dialog
automatically), but you cannot play back or record audio with Session, you’ll need to open
the Audio Hardware dialog by choosing Options>Audio Hardware.
The Audio Hardware dialog contains the following options:
ASIO/WDM Switch
This control switches the Audio Hardware dialog of Session between ASIO and WDM
mode. For best performance in Session, use ASIO mode. Consult the documentation for
your sound card to determine if it supports ASIO.
Output and Input Device Selectors
These controls set the Output Device (sound card) through which Session plays audio,
and the Input Device (sound card) from which Session records audio. It is recommended
that you select the same sound card for audio input and output.
Buffer Size Selector
This control sets the latency of Session. See the “About Latency”section found later in
this guide for additional information.
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Session KeyStudio 25 User Guide
Use Low Latency Streaming Checkbox
When checked, Session attempts to open the selected audio interface in low latency mode (WDM Kernel Streaming). While most
sound cards should “open”in this mode, results vary widely based on the sound card in use. See the “About Latency”section of this
User Guide for further information on this.
OK Button
After making the desired settings, press the OK button to commit your changes and close the Audio Hardware dialog.
Cancel Button
Press the Cancel button to discard your changes and close the Audio Hardware dialog.
About Latency
Latency is loosely defined as the amount of time it takes for a sound made in Session to reach your speakers. For example, with
a high latency (Buffer Size) setting, there will be a noticeable delay between the press of a key on KeyStudio 25, and the resultant
sound. Smaller Buffer Size settings result in lower latency, but may not function well with slower systems. If you hear clicks and pops,
the Buffer Size setting is too low. To adjust this setting of Session, open the Audio Hardware dialog (Options > Audio Hardware),
select the desired buffer size from the Buffer Size selector, and then click the OK button.
NOTE: Deselecting the “Low-Latency Streaming” checkbox may also reduce any clicks and pops in Session
audio. This setting is only available if WDM is selected as the driver type.
Upgrading your Sound Card
If you find that your sound card is incapable of producing acceptable latency times, we recommend that you upgrade your sound
Using KeyStudio with GarageBand
The M-Audio Session software was created for use with Windows. However, the KeyStudio 25 hardware can be used with Macintosh
OS X computers as well. KeyStudio 25 integrates seamlessly with the GarageBand music production software which comes pre-installed
on many late-model Apple computers.
To use KeyStudio 25 with GarageBand:
1. Be sure KeyStudio is connected to your Mac OS X computer via the provided USB cable (See “Connect the KeyStudio 25
Keyboard.”)
2. Launch GarageBand.
3. Create a Software Instrument track by clicking Track > New Track > Software Instrument > Create, or select a pre-existing
Software Instrument track. The default instrument GarageBand selects is a Grand Piano.
When a Software Instrument is selected, clicking the
button in the lower right corner of the GarageBand window will
open the Track Info screen. From this area, you can select which instrument you would like to play.
Provided your computer’s speakers are not muted or turned down, you will now hear sounds corresponding to notes you play
on KeyStudio.
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Session KeyStudio 25 User Guide
About MIDI and Software Synthesis
If you are new to MIDI (Musical Instrument Digital Interface), you may initially find it challenging to understand how KeyStudio interacts
with the computer. However, as you use KeyStudio 25 along with Session, you’ll discover the benefits of using a software-based sound
source and recording system such as: access to an extremely large array of high quality sounds, a large graphic user interface, the ability
to change an instrument sound after the recording has been made, and the freedom to work with many music creation applications.
A basic understanding of MIDI enables you to take advantage of its wealth of creative possibilities: MIDI data gives instructions on how
a sound should play. These instructions dictate parameters such as what note to play, when to play it, how loud to play it, and which
sound to use. State of the art music applications such as Session, contain “virtual instruments”that are capable of generating sound when
MIDI data is sent to them. Data from the KeyStudio keyboard is transmitted to the sequencer program (e.g. Session), routed to a virtual
instrument, and sent to an audio output, turning MIDI data into audible sounds. Much of this process is conveniently automated through
Session software’s menus and graphical user interface, letting you focus on making music. For more information on Session, such as
recording audio and using loops, see the Session User Guide available from the Session Help menu.
The KeyStudio 25 Keyboard
Controls and Connectors
Top Panel
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1. Keyboard – KeyStudio 25 has a two-octave, velocity sensitive keyboard. This controller features special “half-action”keys which
allow KeyStudio 25 to be thinner and more portable than traditional controller keyboards.
2. Pitch Bend – This control lets you create expressive changes in your performances by raising and lowering pitch. Pressing the
right side of the Pitch Bend control will raise an instrument’s pitch, whereas pressing the left side will lower the pitch. Once the
Pitch Bend control is released, your instrument’s pitch will return to normal.
Note that the upper and lower pitch bend limit is determined by settings on your hardware or software synthesizer (such as
virtual Instruments used within Session), not by the Pitch Bend control on the KeyStudio 25 keyboard. Typically, this can be
either a half note or an octave up or down.
3. Modulation – This control is used to add expressivity to your performance by changing the intensity of certain effects. By
default, most synthesizers assign this control to manipulate vibrato (change in intonation) or tremolo (change in volume)
although it is usually possible to reassign the function of modulation through settings on the hardware or software synthesizer.
The MIDI data range of the Modulation control is 0 to 127, with 0 being the note-unchanged position. Like the Pitch Bend wheel,
the amount of actual modulation that takes place depends on your instrument’s settings.
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Session KeyStudio 25 User Guide
4. Octave and Transpose Up/Down – By default, the Octave/Transpose Up/Down control “shifts”the keyboard’s octave range in
order to let you play higher or lower notes. Press the right side of the control to shift the keyboard up one octave; press the left
side of the control to shift the keyboard down one octave. Note that it is possible to shift several octaves in each direction by
pressing the left or right side of this control more than once.
In some cases, it may be useful to increase or decrease the transmitted pitch of KeyStudio 25 by a small number of semitones,
rather than a whole octave. For example, you may be playing a song with a singer and the singer is having trouble hitting the
high or low notes. In this case, you can try raising or lowering the pitch by one or more semitones. This is achieved using a
function called “Transpose.”
To use the Transpose function:
1. Press Octave/Transpose + and Octave/Transpose – together.
2. Press the Octave/Transpose + or - key for every semi tone you want to transpose up or down.
To make the Octave/Transpose control return to an Octave shift function, press the Advanced Function button, and the
black key labeled CANCEL.
5. Assignable Slider (C9) – This slider sends out MIDI Continuous Controller (CC) data, giving you real-time control over your MIDI
hardware or software instruments. By default, this slider is set to control MIDI CC number 7. This corresponds to volume on most
MIDI hardware devices and software applications.
6. Function Buttons – These buttons are used to access various functions and features of the keyboard. They are described in the
“Using the KeyStudio 25 Keyboard”section of this guide.
7. LED Display – The LED screen displays MIDI functions and data selections.
8. MIDI Controller Knobs (C1 – C8) – These eight MIDI Controller knobs give you real-time control over your MIDI hardware and
software through MIDI Continuous Controller (CC) messages.
9. MIDI Controller Buttons (C12 – C19) – Like the MIDI Controller knobs described above, these eight MIDI Controller buttons
give you real-time control over your MIDI hardware and software through MIDI Continuous Controller (CC) messages.
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Session KeyStudio 25 User Guide
Rear Panel
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10. Power Switch – This switch powers the unit on and off.
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11. Sustain Pedal Input – Connect your sustain pedal’s 1⁄4”connector to this jack. There is no need to worry about the polarity of
the pedal—the keyboard detects the sustain pedal polarity by auto-sensing the pedal’s orientation during startup.
12. MIDI Output – Connect this output to the input of a MIDI device using a standard 5-pin MIDI cable. By default, all MIDI data
generated by KeyStudio 25 is sent out through this MIDI output as well as through the USB connection (if available). However,
if KeyStudio 25 is connected to your computer via USB, it is possible to reconfigure this port so that it appears as a completely
separate MIDI output port to your music software. Refer to the “Using the KeyStudio 25 Keyboard”section of this User Guide to
learn how to engage “MIDI Out from USB”mode.
13. USB Connector – Connect a USB cable from this output to the host computer’s USB port. When using the USB connection,
KeyStudio 25 is powered by the host computer and a power adapter is not required.
14. Power Jack (9V DC, 500 mA) – Connect an optional 9V DC, 500mA external power supply to this jack. A power supply is only
necessary if KeyStudio 25 is being used without a computer or if the computer is not able to provide adequate bus power to the
controller.
IMPORTANT: The KeyStudio 25 keyboard is “bus-powered” by your computer through the USB connection.
Only use a power adapter if your computer cannot provide adequate power to the controller or if you are
using KeyStudio 25 without a computer.
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Session KeyStudio 25 User Guide
Using the KeyStudio 25 Keyboard
In many cases, once KeyStudio 25 has been installed, you can simply launch your music program and begin making music right away.
Many programs will be able to use KeyStudio 25 “out of the box”and require no further configuration. Certain other programs may
require you to select KeyStudio 25 as a MIDI input source or to map KeyStudio’s assignable MIDI controls (buttons, knobs, sliders, etc.) to
whatever on-screen functions you would like to control. These steps are described further below.
Configuring Your Software:
Once the KeyStudio 25 keyboard is installed on your computer, all MIDI capable applications on your system should recognize
the controller as a new MIDI input device. However, some applications may require you to configure the software to accept MIDI
data being sent from the KeyStudio 25 keyboard. This is usually done through a “Control Panel”or “Device Setup”menu in your
application, but the specific process varies from program to program. Instructions on how to configure Session to accept MIDI data
from KeyStudio 25 can be found in the “Getting Started Making Music with Session”section of this User Guide. Please consult your
application’s documentation to learn how to select MIDI input devices.
NOTE: In Windows XP, KeyStudio 25 will appear as “USB Audio Device” to your music software if the optional
M-Audio drivers have not been installed. This is normal. If the M-Audio drivers have been installed, KeyStudio
25 will appear as “USB O2 In.”
Assigning KeyStudio 25’s Buttons, Knobs, or the Slider to Control
Your Software:
The KeyStudio 25 keyboard has a number of assignable MIDI controls (knobs, buttons, a slider, etc.) that can be used to control your
music software. Each assignable control has its own unique MIDI Continuous Controller (CC) number. When you turn a knob, push a
button, or move a fader, KeyStudio 25 sends out MIDI CC data that can be received and interpreted by your music software.
Many of today’s music applications (such as Ableton Live, Propellerhead Reason, Native Instruments Traktor, and others) now include
a “MIDI Learn”function. This feature allows you to quickly assign the slider, buttons, or knobs of the KeyStudio 25 keyboard to control
specific parameters within the software. The KeyStudio 25 keyboard can control any software that has this functionality.
The “learn”function varies from application to application and you will need to refer to your software’s user guide to find out how to
use this feature.
If your software does not have this functionality, it may still be possible to manually assign the program’s features to be controlled by
the specific MIDI CC data generated by the slider, knobs, or buttons found on KeyStudio 25. Refer to your software’s user guide to see
if this is possible.
If manually assigning features is possible in your software, see the appendix of this guide for a complete listing of MIDI CC
information generated by the slider, knobs, and buttons of the KeyStudio 25 keyboard.
Finally, if your program does not feature “MIDI Learn”or manual assignment of MIDI CC functions, you may still be able to control
your music software by changing the mapping of KeyStudio 25’s assignable controls to match the MIDI CC numbers required by your
music software. To find out how to do this, refer to the section entitled “KeyStudio 25 Advanced Features”found later in this guide.
NOTE: Syntax, the software synthesizer of Session, includes over 250 preset patches (sounds). By default,
many useful parameters of each patch are mapped to the slider and knobs found on the KeyStudio 25
keyboard. This means you can modify the sound of the Syntax patches by adjusting the slider and knobs of
the KeyStudio 25 keyboard.
For a chart that describes which Syntax parameter is assigned to each KeyStudio 25 slider or knob,
choose Help > Open User Manual in Session, and click the link titled “KeyStudio 25/Synth Patch Controller
Assignments.”
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Session KeyStudio 25 User Guide
Sending Program Changes
If your software or MIDI device supports “program change”messages, you can recall different presets (sounds) straight from the
KeyStudio 25 keyboard without having to reach for the MIDI device (or computer). To send a program change message:
1. Press the ADVANCED FUNCTION button.
TIP: This function can also
be used to set up the control
parameters at the start of a
2. Press the PROG CHG key on the keyboard.
3. Enter the program number you wish to send, using the numerical data entry keys,
or the DEC/INC buttons.
song. If you set all the controller
values to obtain the desired
effect levels in your song, you
can then record the Snap Shot
to ensure the song will always
play back with the correct
effect levels. To do this, put your
sequencer into record mode
and press the Snap
4. Press the ENTER key to confirm.
Note that program change messages are sent on the “global” MIDI channel. The global
channel can be changed using the procedure described further below.
Sending Bank Changes
If your MIDI device or software synthesizer contains more than 128 presets (sounds),
then the presets will be organized into separate “banks”of sounds. KeyStudio 25
allows you to switch between banks straight from the keyboard without having to
reach for the MIDI device (or computer). To send a bank change, before sending a
program change message:
Shot buttons.
1. Press the ADVANCED FUNCTION button.
2. Press the BANK LSB or BANK MSB key on the keyboard.
3. Enter the bank number you wish to send using the numerical data entry keys, or the DEC/INC buttons.
4. Press the ENTER key to confirm.
5. Press the ADVANCED FUNCTION button.
6. Press the PROG CHG key on the keyboard.
7. Enter the program number you wish to recall in your new bank, using the numerical data entry keys, or the DEC/INC
buttons.
8. Press the ENTER key to confirm.
To learn more about LSB and MSB, please refer to the “MIDI Messages In-Depth” section of this User Guide.
NOTE: Bank change messages must be followed by a program change message for the bank change to take
effect. Simply sending a bank change message by itself will not result in any changes in your MIDI hardware
or software.
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Session KeyStudio 25 User Guide
Setting the Global MIDI Channel
KeyStudio 25 can transmit on any of the standard 16 MIDI channels. If you are using a computer-based system, the software usually
controls the routing of MIDI signals, and this parameter can be left in its default setting.
However, if you are using KeyStudio 25 without a computer to control a MIDI device (such as a sound module), you will need to
make sure that both your M-Audio KeyStudio 25 keyboard and the MIDI device are set to the same MIDI channel. KeyStudio 25 has a
“Global”MIDI channel setting that affects the keyboard, program/bank change messages, and any controllers (buttons, knobs, sliders,
footswitch) that have been set to respond to the global channel.
To set the Global MIDI Channel:
1. Press the GLOBAL CHAN button. The keyboard enters Program Mode. The LED will display the currently selected Global
Channel, preceded by a “c.”
2. Enter the MIDI channel number using the numeric keys or use the DEC/INC keys.
3. Press the ENTER key to accept the new channel.
MIDI Out from USB Mode
When KeyStudio 25 is connected to your computer via USB, all MIDI data generated by the keyboard is sent to your computer
through the USB connection. By default, this same data is also “mirrored”and sent out through the KeyStudio 25 MIDI Output port.
However, KeyStudio 25’s “MIDI Out from USB Mode”makes it possible to reconfigure the MIDI Output port so that it appears as a
completely independent MIDI output to your music software. You can then use this port to control a separate MIDI device (such as a
sound module or sampler) through your software (you will still be able to use KeyStudio 25 as a controller).
To activate MIDI Out from USB mode:
1. Press the ADVANCED FUNCTION button.
2. Press the MIDI OUT key.
The LED display will show “USB,”indicating that the MIDI Out port is now independent of the local KeyStudio 25 keys and
MIDI controls and will output data sent to the device from your music software.
To deactivate MIDI Out from USB mode and return to normal operation, repeat the steps listed above. The LED display will
show ‘Int’indicating that the M-Audio KeyStudio 25 keyboard is once again sending mirrored data out of the USB and MIDI
Output ports.
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Session KeyStudio 25 User Guide
KeyStudio 25 Advanced Features
This section deals with the more advanced features found within the KeyStudio 25 keyboard. We have included this information
for “power users”who want to explore and use the keyboard’s in-depth features and additional capabilities to their full extent. This
information is not required reading for most users and readers who are not interested in more advanced MIDI programming concepts
can feel free to skip this section.
Recalling Presets
KeyStudio 25 is capable of storing five “presets”containing all control assignments and keyboard configuration settings. Use the
“DEC”and “INC“ buttons to step through the five available presets. The LED will display the preset number preceded by a “P”to
indicate which preset is currently loaded.
The following is a list of the five “factory default presets”that have been pre-programmed into KeyStudio 25:
< 01 GM Preset (preconfigured for use with Session)
< 02 Reason Native
< 03 Reason Mixer
< 04 Yamaha XG/Roland JV Preset
< 05 Undefined CC’s for MIDI learn*
Note that these default settings can be modified to suit your particular needs (this is described below, beginning with the
“Program Mode Overview”section.)
* Some applications do not have any default settings and require you to set the MIDI controllers for the application’s parameters
yourself. This normally involves placing the application into a “MIDI Learn” mode, selecting an on-screen control and moving the
hardware controller you wish to assign to it. When working with such an application, it is recommended that the controller numbers
used by MIDI controls on the keyboard do not already have another function associated with them – this is how preset #5 is configured.
Storing Presets
KeyStudio 25 uses “non-volatile”memory allowing presets to be stored even after the keyboard has been switched off. All controller
and channel assignments are automatically stored under the current preset number as soon as you confirm a change—there is no
need to “save”the preset. Additional settings are also stored including: the program number, bank LSB and bank MSB data, global
channel setting, MIDI Out from USB configuration, and last used memory preset.
Duplicating and Organizing Presets
You may want to duplicate or reorganize the order of the presets on your KeyStudio 25 controller. For example, let’s say you wanted
to copy preset #2 (“Reason Native”) to location #4. This can be done through the following procedure:
1. Recall preset #2 by using the DEC/INC buttons.
2. Press the ADVANCED FUNCTION button.
3. Press the MEM STORE key on the keyboard.
4. Enter “4”using the numerical data entry keys or the DEC/INC buttons.
5. Press the ENTER key to confirm.
This will save or store the current setup to preset location #4. Note that this operation will overwrite the contents of the
existing preset.
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Session KeyStudio 25 User Guide
Enigma Software
Enigma is a powerful program that allows you to change the settings of any assignable slider, knob, or button on the KeyStudio 25
through an easy-to-use graphical user interface. The program also allows you to store a virtually unlimited amount of presets on
your computer’s hard drive—a handy tool for users who have created custom presets for each of their MIDI devices. The program is
Refer to the Enigma User Guide to learn more about how to use the software with KeyStudio 25
Sending a Snap Shot
TIP: This function can also
be used to set up the control
parameters at the start of a
song. If you set all the controller
values to obtain the desired
effect levels in your song, you
can then record the Snap Shot
to ensure the song will always
play back with the correct
effect levels. To do this, put your
sequencer into record mode
and press the Snap
Snap Shot is a useful function that can be used to synchronize the receiving MIDI
device with the controls on your keyboard. When you send a Snap Shot, the current
value of each individual MIDI control (button, knob, slider, etc.) will be sent on the
channel that the MIDI control is assigned to. This updates all of the parameters on
your MIDI device with the current knob positions on KeyStudio 25. The function can
also be used as a creative tool, often with interesting and surprising results.
Press the GLOBAL CHAN and MUTE buttons together to send a “Snap Shot.”
Muting All Controllers
To temporarily mute the KeyStudio 25 fader and knobs, press the function button
labeled MUTE. The LED displays “OFF”when this function is engaged.
Shot buttons.
Mute allows you to alter the position of the slider and the knobs without affecting
the settings of your software. Note that this function does not affect buttons, the foot switch, pitch bend and modulation controls, or
the keyboard. When one of the aforementioned controls is used, mute is disengaged and all controllers are turned back on.
Use this feature if you are switching between presets with the controllers out of position. You will be able to move the controller to a
position relative to the software’s controller value, without causing the software’s controller value to jump.
Program Mode Overview
KeyStudio 25 has two modes of operation: Program mode and Performance mode. Most of the time, the controller stays in
Performance mode so you can play regularly—Program mode is only used when you need to configure various parameters like knob
assignments. Use the ADVANCED FUNCTION button to enter and exit Program mode (a small dot appears on the lower-right hand
side of the display whenever you are in Program mode).
<
Once you have entered Program mode, you can select different parameters to edit by pressing one of the keys on the left
half of the keyboard. The function of each key is written directly above the key:
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Session KeyStudio 25 User Guide
<
<
<
Each of the assignable controllers on KeyStudio 25 can send MIDI CC, RPN/NRPN, GM 1&2, and predefined SysEx messages on its
own individual MIDI channel.
Certain parameters require you to enter additional information such as the MIDI channel or CC number. Use the 0-9 keys (on the
right hand side of the keyboard) or the DEC/INC buttons to set these values. The LED display will indicate the current value.
If you’ve entered a number, use the Enter key to confirm the entry. If you’ve changed your mind, press the ADVANCED FUNCTION
button to exit Program mode without changing any settings.
Assigning MIDI CCs
To edit a MIDI CC mapping for a button, knob, or slider:
Alternate method for selecting controls
To edit a controller, you must first select the control you wish
to reassign. The simplest way of doing this is to turn or push
whatever knob, button, or slider you wish to edit. This method
is already mentioned throughout the various sections of this
chapter. However, there is an alternate method of selecting a
control for editing using the “CTRL SEL”(Control Select) key.
This method is as follows:
1. Press the ADVANCED FUNCTION button and
move or push the controller that you wish to
assign.
2. Press the CTRL ASGN key. The LED display
will show the MIDI CC number of your
selected controller.
3. Enter a new MIDI CC value using the
numerical data entry keys, or the DEC/INC
buttons. The LED will display your new CC
number.
1. Press the ADVANCED FUNCTION button, then the
CTRL SEL key.
2. The LED will display the number of the currently
selected controller, preceded by a “C.”
4. Press the ENTER key to confirm the entry and
exit Program mode.
3. Enter the number of the controller using the numerical
data entry keys, or the DEC/INC buttons.
Assigning MIDI Channels
The following procedure describes how to set any of
the assignable controls on KeyStudio 25 to transmit on
a unique MIDI channel:
4. Press the ENTER key to confirm.
This control is now selected for editing.
1. Press the ADVANCED FUNCTION button and move or push the controller that you wish to assign.
2. Press the CHAN ASGN key. The LED display will show the current channel assignment of the selected controller.
3. Enter the new MIDI channel number using the numerical data entry keys or the DEC/INC buttons. The LED will display the
new channel number.
4. Press the ENTER key to confirm the entry and exit Program mode.
Note: If a button, knob, or slider is assigned to channel 0, it will transmit on the Global Channel of KeyStudio 25.
Reassigning MIDI CC for the Modulation Control
To edit a MIDI CC mapping for the Modulation control:
1. Press the ADVANCED FUNCTION button.
2. Press the CTRL SEL key.
3. Enter “10”using the numerical data entry keys or the DEC/INC buttons. This number corresponds to the Pitch control (each
slider, button, or knob’s control number is printed next to it on the KeyStudio 25 keyboard).
4. Press the ENTER key to confirm the selection and exit Program mode.
5. Press the ADVANCED FUNCTION button again.
6. Press the CTRL ASGN key. The LED display will show the MIDI CC number of your selected controller.
7. Enter a new MIDI CC value using the numerical data entry keys or the DEC/INC buttons. The LED display will show the new
CC number.
8. Press the ENTER key to confirm the entry and exit Program mode.
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Session KeyStudio 25 User Guide
Reassigning MIDI CC for the Pitch Control
To edit a MIDI CC mapping for the Pitch Bend control:
1. Press the ADVANCED FUNCTION button.
2. Press the CTRL SEL key.
3. Enter “10”using the numerical data entry keys or the DEC/INC buttons. This number corresponds to the Modulation control
(each slider, button, or knob’s control number is printed next to it on the KeyStudio 25 keyboard).
4. Press the ENTER key to confirm the selection and exit Program mode.
5. Press the ADVANCED FUNCTION button again.
6. Press the CTRL ASGN key. The LED display will show the MIDI CC number of your selected controller.
7. Enter a new MIDI CC value using the numerical data entry keys or the DEC/INC buttons. The LED will display your new CC
number.
8. Press the ENTER key to confirm the entry and exit Program mode.
Reassigning MIDI CC for the Sustain Pedal input
To edit a MIDI CC mapping for the Sustain footswitch:
1. Press the ADVANCED FUNCTION.
2. Press the CTRL SEL key.
3. Enter “20”using the numerical data entry keys or the DEC/INC buttons. This number corresponds to the Sustain Pedal input
(each slider, button, or knob’s control number is printed next to it on the KeyStudio 25 keyboard).
4. Press the ENTER key to confirm the selection and exit Program mode.
5. Press the ADVANCED FUNCTION button again.
6. Press the CTRL ASGN key. The LED display will show the MIDI CC number of your selected controller.
7. Enter a new MIDI CC value using the numerical data entry keys, or the DEC/INC buttons. The LED display will show the new
CC number.
8. Press the ENTER key to confirm the entry and exit Program mode.
Limiting the Range of the Controls
Normally, the range of a MIDI controller is 0 to 127. In some cases, you may wish to restrict the minimum or maximum limits of this
range. A minimum restriction can be placed on knobs, faders, Pitch bend, or Modulation controls by doing the following:
1. Press the ADVANCED FUNCTION button and move or push the controller that
you wish to limit.
TIP: If your DATA 2 (MIN)
value is greater than the DATA
3 (MAX) value, your control
will work in “reverse.” In other
words, turning the control
clockwise will cause the MIDI
CC output data to decrease
while turning counter-
2. Press the DATA 2 (MIN) key. The LED will display the current Minimum limit of
the controller.
3. Enter the desired minimum value using the numerical data entry keys or the
DEC/INC buttons.
4. Press the ENTER key to confirm the entry and exit Program mode.
If you would like to place a maximum limit:
clockwise will cause the CC
output to increase. This is useful
in certain situations such as
when you wish to use a slider
like a drawbar on an organ.
For standard operation, make
sure your DATA 3 (MAX) value is
higher than DATA 2 (MIN).
1. Press the ADVANCED FUNCTION button and move or push the controller that you
wish to limit.
2. Press the DATA 3 (MAX) key. The LED will display the current maximum limit of
the controller.
3. Enter the desired maximum value using the numerical data entry keys or the
DEC/INC buttons.
4. Press the ENTER key to confirm the entry and exit Program mode.
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Session KeyStudio 25 User Guide
Using Controls to Increment or Decrement Values
Buttons and the pedal can be set to decrement or increment MIDI data values within a defined range and one by one. This is useful
if you need precise control over MIDI CC or you would like to use buttons to step forward or backward through programs (using a
program change message). To do this:
1. Press the ADVANCED FUNCTION button and push the footswitch or button you wish to modify.
2. Press the CTRL ASGN key.
3. Enter ‘153’if you’d like to use the control to decrease a value (enter ‘154’if you’d like to use the control to increase a value).
4. Press the ENTER key to confirm.
5. Press the ADVANCED FUNCTION button again, followed by the DATA 1 key.
6. Enter the number of the MIDI CC you want the button to send out.
7. Press the ENTER key to confirm.
8. To define the range minimum, press the ADVANCED FUNCTION button, followed by the DATA 2 (MIN) key.
9. Enter the desired minimum value using the numerical data entry keys or the DEC/INC buttons (e.g. 0).
10. Press the ENTER key to confirm.
11. To define the range maximum, press the ADVANCED FUNCTION button, followed by the DATA 3 (MAX) key.
12. Enter the desired maximum value using the numerical data entry keys or the DEC/INC buttons (e.g. 127).
13. Press the ENTER key to confirm.
Setting Toggle Values for the Buttons
The 8 assignable buttons and the pedal can each be assigned to toggle between two values by doing the following:
1. Press the ADVANCED FUNCTION button and push the footswitch or button you wish to modify.
2. Press the DATA 2 (MIN) key. The LED will display the current “low”value of the controller.
3. Enter your new low value using the numerical data entry keys or the DEC/INC buttons.
4. Press the ENTER key to confirm.
5. Press the ADVANCED FUNCTION button again, followed by the DATA 3 (MAX) key.
6. Enter the new “high”value using the numerical data entry keys or the DEC/INC buttons.
7. Press the ENTER key to confirm.
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Session KeyStudio 25 User Guide
The procedure described above will toggle the value each time you press the button or footswitch. It is also possible to configure the
control so that it sends one value when it is pressed, and another value when released. To do this:
1. Press the ADVANCED FUNCTION button and push the footswitch or button you wish to modify.
2. Press the CTRL ASGN key.
3. Enter 146 using the numerical data entry keys or DEC/INC buttons. This sets the control for MIDI CC (On/Off) mode.
4. Press ENTER to confirm.
5. Press the ADVANCED FUNCTION button again, followed by the DATA 1 key.
6. Enter the number of the MIDI CC you want the button to send out.
7. Press the ENTER key to confirm.
8. Assign the two toggle values for “control press”(DATA 3) and “control release”(DATA 2) using the procedure described
above.
Assigning MIDI Machine Control (MMC) Commands to a Button
1. Press the ADVANCED FUNCTION button and push the button you wish to modify.
2. Press the CTRL ASGN key.
3. Enter “149”using the numerical data entry keys to indicate that you would like to assign an MMC command to your
selected button (see Appendix B for a complete list of MIDI CC numbers and their corresponding commands).
4. Press the ENTER key to confirm
Number
01
MMC Command
STOP
5. Press the ADVANCED FUNCTION button, then the CHAN
ASGN key.
02
PLAY
6. Enter “127”using the numerical keypad. This ensures that the
message is sent to all device ID numbers.
03
DEFERRED PLAY
FAST FORWARD
REWIND
04
05
7. Press the ENTER key to confirm.
06
RECORD STROBE
RECORD EXIT
RECORD PAUSE
PAUSE
8. Press the ADVANCED FUNCTION button, then the DATA 2 key.
07
9. Enter a number from the chart on the right to assign the
corresponding MMC message to your selected button.
08
09
10
EJECT
11
CHASE
12
COMMAND ERROR RESET
MMC RESET
13
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Session KeyStudio 25 User Guide
Assigning a Note to a Button
The following shows the procedure for setting a button to transmit a MIDI Note On message when pressed, and a MIDI Note Off
message when released.
1. Press the ADVANCED FUNCTION button and push the button you wish to modify.
2. Press the CTRL ASGN key.
3. Enter “147”using the numerical data entry keys or the DEC/INC buttons. This is the MIDI CC number that corresponds to
Note On/Off mode (see Appendix B for all MIDI CC numbers).
4. Press the ENTER key to confirm.
5. Press the ADVANCED FUNCTION button followed by the DATA 3 key.
6. Enter “100”using the numerical data entry keys or the DEC/INC buttons. This will result in a “Note On”message with a
velocity of 100 when your selected button is pressed. If you would like a different velocity, enter that velocity instead of
“100.”
7. Press the ENTER key to confirm.
8. Press the ADVANCED FUNCTION button followed by the DATA 2 key.
9. Enter “0”using the numerical data entry keys or the DEC/INC buttons. This will result in a “Note Off”command being sent
out when your selected button is released.
10. Press the ENTER key to confirm.
11. Press the ADVANCED FUNCTION button followed by the DATA 1 key.
12. Enter “64”using the numerical data entry keys or the DEC/INC buttons. This results in MIDI Note 64 or E4 each time the
button is pressed. To play a different note, enter a different value here (MIDI Note numbers are listed in Appendix E).
13. Press the ENTER key to confirm.
Assigning RPN/NRPN to a Fader or Knob
Non-registered parameter numbers (NRPN’s) are device-specific messages that enable you to control synthesizers and sound
modules via MIDI. The MIDI specification defines open parameter numbers to allow manufacturers to specify their own controllers.
Some of the more common messages are now registered by the MIDI Manufacturer’s Association and are part of the MIDI
specification (hence the term Registered Parameter Numbers – RPN’s).
Each NRPN/RPN has an associated 2-byte number. The two bytes allow for 128 values each. (An RPN or NRPN message is made up
of two parts: the MSB and the LSB message. Both of these messages together constitute an RPN or NRPN command.) This allows for
16,384 values in total.
MIDI controllers 98 and 99 represent the NRPN LSB and MSB respectively, while 100 and 101 represent the RPN LSB and MSB
messages (see the MIDI controllers list in Appendix B). To transmit an NRPN/RPN message, these LSB and MSB controller messages
are sent along with their user-specified values. A further controller message and value needs to be sent to specify the (coarse or fine)
value adjustment. This is specified by controller number 6 (data entry) for coarse adjustments or number 38 for fine adjustments.
A list of NRPN’s is usually given in the user’s manual of any device that receives NRPN messages. It is always necessary that the NRPN
MSB and LSB be sent together. Both will be specified in the device’s manual.
To assign an RPN/NRPN message to a fader or knob:
1. Press the ADVANCED FUNCTION button and move the fader or knob you wish to assign.
2. Press the CTRL ASGN key and enter “132”for RPN Coarse, “133”for RPN Fine, “134”for NRPN Coarse, or “135”for NRPN Fine
using the numerical data entry keys or DEC/INC buttons.
3. Press ENTER key to confirm your selection.
4. Press the ADVANCED FUNCTION button, then the DATA 3 key.
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Session KeyStudio 25 User Guide
5. Enter your RPN/NRPN MSB value and press the ENTER key to confirm.
6. Press the ADVANCED FUNCTION button, then the DATA 2 key. This assigns the number for the RPN/NRPN LSB.
7. Enter your RPN/NRPN LSB value and press the ENTER key to confirm.
8. Finally, press the ADVANCED FUNCTION button, then the CHAN ASGN key.
9. Enter the channel that the message should be sent on.
10. Press the ENTER key to confirm your selection.
Note: Many specification sheets for synthesizers and other MIDI devices make use of NRPN messages and
will give the MSB and LSB values that should be entered for DATA 3 and DATA 2 (See Appendix G). Some
sheets may only list the values in hexadecimal format, but the M-Audio KeyStudio 25 requires each value to
be entered as a decimal. Use Appendix C at the end of this User Guide to convert hexadecimal values into
decimal.
About SysEx Messages and Device ID
MIDI SysEx messages (memory dump, all notes off, master tune, etc.) are global MIDI messages that are not MIDI channel-specific.
This means SysEx messages are not transmitted on specific MIDI channels. Instead, SysEx transmits a Device ID number along with
any SysEx message. This ID is used to uniquely address a particular destination device within your MIDI setup. Device IDs range
between 00–127. To send a SysEx message to a particular device in your MIDI setup, find out which Device ID it responds to, then
assign the same Device ID to KeyStudio 25 before starting the transmission.
For most devices, the Device ID is pre-configured at 127 at the factory. Device ID 127 plays a special role, as it can be read by all
connected devices, regardless of their individual Device ID setting.
As an example, a device with device ID 50 will not only accept messages that are using Device ID 50, but also messages with Device
ID 127. SysEx messages with any other Device ID are ignored.
The Device ID for a SysEx message assigned to a controller can be changed using the DEV ID key. This key is used for varying the
global Device ID of the M-Audio KeyStudio 25.
Assigning the Device ID
Press the ADVANCED FUNCTION button, then the DEV ID key to assign a Device ID to the M-Audio KeyStudio 25. When the DEV ID
key is pressed, the LED display indicates the assigned Device ID. It is possible to enter a new device ID using the numerical data entry
keys, or the +/- buttons. Press the ENTER key to confirm.
If a SysEx message is sent from a device with a Device ID of 127, that message can be read by all attached MIDI receiving hardware
regardless of their Device ID settings. If a SysEx message is created by a device with a Device ID other than 127, the SysEx message
will only be processed by devices with an identical Device ID. The sent SysEx message will be ignored by devices with a Device ID that
doesn’t match that of the sending device.
Memory Dump
Press the ADVANCED FUNCTION button followed by the MEM DUMP key to send out a number of SysEx data packets that represent
the 5 user-defined or factory-set presets of the M-Audio KeyStudio 25. This can be used for storing or backing up the contents of the
memory presets externally.
It is possible to record a Memory Dump to a standard MIDI sequencer track, much like how you would record notes on a MIDI
sequencer track. You can recall the Memory Dump you recorded by playing back the MIDI track containing the recorded Memory
Dump, making sure that the M-Audio KeyStudio 25 is selected as the MIDI output for that particular track.
The current controller assignments are not immediately affected by a Memory Dump, or a memory location that is sent to the
keyboard. You first need to recall a preset to access the uploaded new settings after a memory dump has been sent to the keyboard.
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Session KeyStudio 25 User Guide
MIDI Messages In-Depth
Program & Bank Changes
When the MIDI standard was first established,
it enabled the user to access only 128 different
sounds using program change messages (0-127).
As MIDI devices grew to be more sophisticated
and contain more sounds, bank change messages
were included in an updated MIDI specification to
allow for more than 128 sounds to be accessed.
"ANK -3"
"ANK ,3"
0ROGRAM
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK ,3" ꢀ
"ANK ,3" ꢁ
"ANK ,3" ꢂ
0ROGRAM ꢁꢂꢃ
The language MIDI uses to communicate between
musical instruments only allows for program
change commands 0-127, for a total of 128
possible programs (127 programs + program
“0”= 128 programs total). Because of inherent
limitations of the MIDI communication protocol,
the number of directly accessible programs
(using program change messages) cannot easily
be expanded beyond 128. Thus, a system of
banks, with 128 sounds in each, has been created
that enables manufacturers to overcome the
128-sound MIDI limit.
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK -3" ꢀ
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK ,3" ꢁꢂꢃ
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK ,3" ꢀ
"ANK ,3" ꢁ
"ANK ,3" ꢂ
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK -3" ꢁ
128 Banks with 128 sounds in each bank is the
basic principle used to expand the number of
accessible sounds. However, to avoid reaching the
new limit of the resulting 16,384 possible sounds
(128 banks x 128 programs) accessible using a
bank change combined with a program change,
another layer of banks was added. The result is a
system of 128 banks that can contain 128 sub-
banks in each of them, which, in turn, can contain
128 sounds (programs) within them.Bank change
messages are useful when calling up sounds from
a large library that may exist in a particular sound
module or software synth. For example devices
that are built with Roland’s GS specification or
Yamaha’s XG specification require you to specify
a bank change in order to access the extra voices
and effects that these devices provide.
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK ,3" ꢁꢂꢃ
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK ,3" ꢀ
"ANK ,3" ꢁ
"ANK ,3" ꢂ
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK -3" ꢂ
0ROGRAM ꢁꢂꢃ
0ROGRAM ꢀ
0ROGRAM ꢁ
0ROGRAM ꢂ
"ANK ,3" ꢁꢂꢃ
"ANK -3" ꢁꢂꢃ
0ROGRAM ꢁꢂꢃ
MIDI CC 0 is the bank select MSB (Most Significant
Byte) message. This MIDI message is 7-bit in size
and can be used to select any of 128 banks. This
message can be used in conjunction with MIDI
CC 32 which is bank select LSB (Least Significant Byte): a separate 7-bit message allowing additional selection of any of another 128
sub-banks. The combination of Bank MSB and LSB messages gives a 14-bit message that can select any of a possible 16,384 banks.
Each bank can in turn contain 128 possible sounds selected via a separate program change MIDI message. This enables a user to
theoretically recall over two million programs directly, using only MIDI commands. However, most devices only use a few different
banks, and allow you to access them with either a Bank LSB message or a Bank MSB message. Please consult your synthesizer’s or
software’s documentation for more information on which type of bank change messages they can process.”
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Session KeyStudio 25 User Guide
You will find many MIDI devices respond to program change commands and many are organized according to the GM listing. In
General MIDI devices, different sounds are organized in the same way from device to device. Piano sounds are in their particular
place, string sounds are in their place, drum sounds are in their place, and so on. All GM devices (both hardware and software sound
modules) are clearly labeled as such, so you know that their sounds are organized in the General MIDI structure. When a GM device
receives a MIDI program change, it calls up a type of sound that you expect from the GM sound set. All non-GM MIDI sound modules
call up unique sounds from their memory upon receiving MIDI program changes. Since the sounds in a non-GM device are not
arranged in a particular order, you need to take a look at the device itself to see which sound you want and at which location in the
memory it resides. Many VST instruments such as Native Instruments’FM7 or the synth modules in Propellerhead Reason are non-GM
devices.
You can send program change, bank LSB and bank MSB messages directly from the KeyStudio keyboard. Please consult the
“Advanced KeyStudio 25 Features in Edit Mode“ section of this User Guide for further details.
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Session KeyStudio 25 User Guide
Troubleshooting
The KeyStudio 25 keyboard has been tested under a wide variety of conditions. Despite our thorough testing, the controller can be used
in virtually limitless situations and certain scenarios may result in unexpected performance. This section will highlight some of the most
common difficulties users may experience and provide tips to remedy these problems. If you have read this section and still cannot
resolve an issue you are experiencing, please feel free to contact M-Audio technical support for further assistance.
Problem 1: My KeyStudio 25 suddenly stopped working after having performed fine since installation.
Close any music applications you are using, switch the KeyStudio 25 off, and restart your computer. Once your computer has
restarted, switch the KeyStudio 25 back on and try again.
Problem 2: I have connected a sustain pedal to my M-Audio keyboard, but its operation is reversed.
The KeyStudio 25 keyboard determines the polarity of a sustain pedal when the controller is switched on. The sustain pedal is
assumed to be in the OFF position (i.e., not pressed) when the keyboard is turned on. To ensure proper operation, make sure
the pedal is not pressed during start up.
Problem 3: The keyboard does not trigger sounds in my music software.
See if your music software features a “MIDI input”or “MIDI activity”indicator. Most programs have a MIDI activity indicator
that can be used to confirm whether MIDI data from the keyboard is reaching the software. If the software is not receiving any
MIDI data, be sure the controller is properly installed and is selected as a MIDI input device within your software. Refer to your
software’s documentation to learn how to configure and select MIDI input devices.
If the MIDI activity display indicates that MIDI data is reaching your software, then you may not be hearing sounds because the
MIDI data is not being routed correctly through the software itself. Refer your software’s documentation to learn how to route
MIDI data properly.
Problem 4: The controller is connected to my computer through USB but it does not seem to turn on.
Make sure the power switch is in the “On”position. If this does not remedy the problem, the keyboard may not be receiving
adequate power from your computer. Try plugging the controller into a different USB port or powered USB hub. Alternatively,
you may try connecting a 9V DC, 500mA external power supply to the Power jack on the rear of the keyboard.
Problem 5: My music software (or hardware) always recalls the preset next to the program number that I have sent to it from the
KeyStudio 25. For example, if I send a program change with the number 40 (Violin), my software loads sound number 41 (Viola).
Some General MIDI modules count their sound patches from 1 – 128 instead of 0-127. Both methods are common. As a result,
there may be an offset of +/-1 between the sent program change number and the recalled sound patch.
Problem 6: I have modified my KeyStudio 25 settings but would like to go back to its “factory default”settings.
To reset KeyStudio 25 to its “factory default”settings, first switch the keyboard off. Next (while the controller is still off), press
and hold both Preset +/- buttons and turn the unit on. Note that restoring the factory presets will erase all setups you have
stored to memory.
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Session KeyStudio 25 User Guide
Problem 7: When I press a key, or attempt to monitor my microphone or instrument input, there is a noticeable delay before I hear
any sound.
This phenomenon is known as latency. On certain audio interfaces, latency may be
adjusted by changing the buffer size setting in the audio interface’s control panel. Consult
your audio interface’s documentation to learn if it is possible to reduce latency on your
system.
M-Audio builds a variety
of low latency ASIO-
compatible devices that can
help resolve latency issues
you may be experiencing.
If you are on a budget, the
inexpensive M-Audio Micro
interface will provide low
latency performance at an
extraordinarily low price
point to help you make better
music with Session and other
applications.
The goal is to set the buffer size as low as possible without experiencing artifacts in the
audio. Faster computers generally allow for smaller buffer size settings, and thus less
latency. If there is a large delay between what you play on the keyboard, and what
you hear from your virtual instrument in Session, you can try to lower the audio buffer
size within Session.
If your audio interface supports ASIO, click Options > Audio Hardware. Make sure the ASIO
radio button is selected, then click “ASIO Settings”to open the control panel for your ASIO
interface. The control panel features that are available depend on the make and model of
your audio interface. Locate the buffer size and/or latency control and lower the buffer size
and/or latency time.
If your audio interface does not support ASIO, click Options > Audio Hardware. Select the
WDM radio button, then choose a lower value from the “Buffer Size”menu.
Some WDM compatible sound cards deliver improved latency when activating the “Use Low Latency Streaming”check box.
However, not every audio interface is compatible with this mode.
Problem 8: I am unable to input monitor through Session.
Click the Input Monitor button, enabling the Input Monitor feature. This allows you to play or sing through Session, known as
input monitoring. Depending on the proximity of your microphone or guitar to your speakers, and the volume setting of your
speakers, there is potential for feedback (a loud, screeching noise). Be sure to turn your speaker volume down before pressing
the Input Monitor button. After pressing the Input Monitor button, gradually increase your speaker volume to a safe level.
Optionally, Session can press the Input Monitor button automatically for the selected Track. This option is disabled by default
to protect your ears and speakers. To turn this option on, select Auto Input Monitor Selected Audio Track from the Track menu,
located at the top of the Session window.
Alternatively, if you are using a professional or semi-professional audio interface, your device may feature “hardware
monitoring”allowing an input to be sent directly to the audio outputs. This method bypasses your audio software (and buffers)
and allows you to hear the inputs with virtually no latency. Consult your audio interface’s documentation to learn how to use
this feature.
Problem 9: I hear a loud screeching sound after creating or selecting an audio track.
If you are using speakers, and your microphone is too close to the speakers, you may experience feedback. To solve this issue,
< Lower your speaker’s volume.
< Disable Auto Input Monitor Selected Audio Track from the Track menu in the Menu bar. If you choose this option, make
sure to press this button when you need to monitor through the track.
In general, it is good practice to turn your speakers off while recording, and listen with headphones.
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Session KeyStudio 25 User Guide
Problem 10: I hear crackles, clicks, or pops when playing or recording audio.
Make sure that Session’s Master Volume control does not indicate clipping. This control indicates clipping by drawing two red
dots at the far right edge of the volume meter. If you see clipping, move the Master Volume control slider to the left. If you hear
crackles, clicks, pops, or other artifacts while recording or input monitoring through a track, lower your microphone or guitar
signal until the track stops clipping. Crackles, clicks, pops, or other artifacts also occur when your computer cannot keep up
with the current task. To solve this problem in Session, click Options > Audio Hardware > ASIO Settings > Latency, and drag the
slider upwards. Repeat this process if this problem continues.
Problem 11: The KeyStudio does not trigger sounds in Session.
Go To Options > MIDI Hardware and make sure “USB Audio Device”or “USB O2 In”is selected in the Input Port box. Also make
sure a track for keyboard playback and recording is selected.
Problem 12: Synth Patches and MultiFX Presets do not load.
It is likely that you moved the Factory and/or User Content Folders. If you moved the Factory Content Folder, you can point
Session to it by choosing Locate Factory Content Folder from the Options Menu. If you moved the User Content Folder, you can
point Session to it by choosing Set User Content Folder from the Options Menu.
Problem 13: After adding more sample content, the new content does not display in the Track Browsers.
When manually adding new content to Session (copying new files into Session’s Content Folders), you must re-scan the Content
Library by choosing Re-Scan Content Categories from the Category Manager.
Problem 14: The Composition sounds distorted.
If your Composition sounds distorted, you may need to lower the overall volume of the Composition by adjusting the Master
Volume control, located at the top right of the Session window. If the level is loud enough to cause distortion, you will see two
red dots at the far right end of the Master Volume control.
Problem 15: The Session software operates very slowly, and is very system-resource intensive.
This problem may be solved by downloading and installing a more current driver from your specific graphics card
manufacturer’s website.
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31
Session KeyStudio 25 User Guide
Appendices - Useful MIDI Data
Appendix A: MIDI Implementation Chart
Function
Basic
Transmitted
Received
Remarks
Default
1-16
X
Channel
Mode
Changed
Default
1-16
---------
Messages
Altered
X
X
*********
Note
0-127
X
X
X
Number
Velocity
True Voice
Note ON
Note OFF
Keys
*********
0
X
After
X
Touch
Ch’s
0
Pitch Bend
Control
Change
Program
Change
System
0
X
X
X
0-119
0
0
120-127
0-127
X
True Number
*********
GM, GM2, MMC
Memory Dump
Exclusive
System
Song Position
Song Select
Clock
X
X
X
X
0
X
X
Common
System
Exclusive
Commands
Aux
Messages
Local ON/
OFF
All Notes OFF
Active Sense
Reset
0
X
0
0
Notes
0 = YES
X=NO
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Session KeyStudio 25 User Guide
Appendix B: Assignable MIDI CC’s on KeyStudio 25
Table B1: Knobs and fader assignments
MIDI CC
0-119
120-127
128
Description
Data LSB
Data MSB
Standard MIDI CC’s
Channel Mode Messages
Pitch Bend Sensitivity
Channel Fine Tune
Channel Coarse Tune
Channel Pressure
RPN Coarse
-
-
-
-
-
-
129
-
-
130
-
-
131
-
-
132
RPN LSB
RPN LSB
NRPN LSB
NRPN LSB
Volume LSB
Pan LSB
Tuning LSB
Tuning LSB
Mod rate
Mod depth
Feedback level
Reverb send level
Pitch shift LSB
-
RPN MSB
133
RPN Fine
RPN MSB
134
NRPN Coarse
NRPN MSB
135
NRPN Fine
NRPN MSB
136
Master Volume GM*
Master Pan GM*
Volume MSB
137
Pan MSB
138
Master Coarse Tune GM*
Master Fine Tune GM*
Chorus Mod Rate GM2*
Chorus Mod Depth GM2*
Feedback GM2*
Tuning MSB
139
Tuning MSB
140
-
141
-
142
-
143
Send to Reverb GM2*
Pitch Bend
-
144
Pitch shift MSB
-
255
Controller Off
*
SysEx messages
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Session KeyStudio 25 User Guide
Table B2: Buttons and Sustain Pedal Assignments
MIDI CC
0-119
Description
Program
Data LSB
Data MSB
Standard MIDI CC’s
-
-
Toggle value 2
Toggle value 2
Toggle value 1
Toggle value 1
120-127
Channel Mode
Messages
128
129
130
131
132
133
134
135
136
137
138
Pitch Bend Range
Channel Fine Tune
Channel Coarse Tune
Channel Pressure
RPN Coarse
-
Sensitivity value
Tuning amount
Tuning amount
Pressure amount
RPN LSB
-
-
-
-
-
-
-
Value
RPN MSB
RPN MSB
NRPN MSB
NRPN MSB
Volume MSB
Pan MSB
Tuning MSB
RPN Fine
Value
RPN LSB
NRPN Coarse
Value
NRPN LSB
NRPN Fine
Value
NRPN LSB
Master Volume GM*
Master Pan GM*
-
-
-
Volume LSB
Pan LSB
Master Coarse Tune
GM*
Tuning LSB
139
140
Master Fine Tune GM*
-
-
Tuning LSB
Mod rate
Tuning MSB
-
Chorus Mod Rate
GM2*
141
Chorus Mod Depth
GM2*
-
Mod depth
-
142
143
144
145
146
147
148
149
150
151
152
153
154
255
Feedback GM2*
Send to Reverb GM2*
Pitch Bend
-
Feedback level
Reverb send level
Pitch shift LSB
Bank LSB
Button press value
Velocity off
Velocity off
Command select
Type
-
-
-
-
Pitch shift MSB
Program/Bank Preset
MIDI CC (on/off)
Note (on/off)
Program
Bank MSB
MIDI CC
Button release value
Note
Velocity on
Note (on/off toggle)
MMC Command**
Reverb Type GM2 *
Reverb Time GM2 *
Chorus Type GM2*
MIDI CC Decrement
MIDI CC Increment
Controller Off
Note
Velocity on
-
-
-
-
-
Time
-
-
Type
-
MIDI CC
MIDI CC
-
Start value
Start value
-
End value
End value
-
*SysEx messages
**MMC SysEx messages
Table B3: MMC Command Numbers
Number
01
MMC Command
STOP
Number
08
MMC Command
RECORD PAUSE
PAUSE
02
PLAY
09
03
DEFERRED PLAY
FAST FORWARD
REWIND
10
EJECT
04
11
CHASE
05
12
COMMAND ERROR RESET
MMC RESET
06
RECORD STROBE
RECORD EXIT
13
07
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34
Session KeyStudio 25 User Guide
Appendix C: Hexadecimal Conversion Chart
Hexadecimal Value
Decimal Value
Hexadecimal Value
Decimal Value
Hexadecimal Value Decimal Value
0
0
2B
2C
2D
2E
2F
30
31
32
33
34
35
36
37
38
39
3A
3B
3C
3D
3E
3F
40
41
42
43
44
45
46
47
48
49
4A
4B
4C
4D
4E
4F
50
51
52
53
54
55
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
56
57
58
59
5A
5B
5C
5D
5E
5F
60
61
62
63
64
65
66
67
68
69
6A
6B
6C
6D
6E
6F
70
71
72
73
74
75
76
77
78
79
7A
7B
7C
7D
7E
7F
86
1
1
87
2
2
88
3
3
89
4
4
90
5
5
91
6
6
92
7
7
93
8
8
94
9
9
95
0A
0B
0C
0D
0E
0F
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
1F
20
21
22
23
24
25
26
27
28
29
2A
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
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Session KeyStudio 25 User Guide
Appendix D: General MIDI Preset Specification
Piano
Bass
Reed
Synth Effects
0 Acoustic Grand Piano
32 Acoustic Bass
64 Soprano Sax
96 SFX Rain
1 Bright Acoustic Piano
2 Electric grand Piano
3 Honky Tonk Piano
4 Electric Piano 1
5 Electric Piano 2
6 Harpsichord
33 Fingered Bass
34 Electric Picked Bass
35 Fretless Bass
36 Slap Bass 1
65 Alto Sax
97 SFX Soundtrack
98 SFX Crystal
66 Tenor Sax
67 Baritone Sax
68 Oboe
99 SFX Atmosphere
100 SFX Brightness
101 SFX Goblins
102 SFX Echoes
103 SFX Sci-Fi
37 Slap Bass 2
69 English Horn
70 Bassoon
71 Clarinet
38 Syn Bass 1
7 Clavinet
39 Syn Bass 2
Chromatic Percussion
Strings/Orchestra
Pipe
Ethnic
8 Celesta
40 Violin
72 Piccolo
104 Sitar
9 Glockenspiel
10 Music Box
11 Vibraphone
12 Marimba
41 Viola
73 Flute
105 Banjo
106 Shamisen
107 Koto
42 Cello
74 Recorder
75 Pan Flute
76 Bottle Blow
77 Shakuhachi
78 Whistle
79 Ocarina
43 Contrabass
44 Tremolo Strings
45 Pizzicato Strings
46 Orchestral Harp
47 Timpani
108 Kalimba
109 Bag Pipe
110 Fiddle
111 Shanai
13 Xylophone
14 Tubular bells
15 Dulcimer
Organ
Ensemble
Synth Lead
Percussive
16 Drawbar Organ
17 Percussive Organ
18 Rock Organ
48 String Ensemble 1
49 String Ensemble 2
50 Syn Strings 1
51 Syn Strings 2
52 Choir Aahs
80 Syn Square Wave
81 Syn Sawtooth Wave
82 Syn Calliope
112 Tinkle Bell
113 Agogo
114 Steel Drums
115 Woodblock
116 Taiko Drum
117 Melodic Tom
118 Syn Drum
19 Church Organ
20 Reed Organ
21 Accordion
83 Syn Chiff
84 Syn Charang
53 Voice Oohs
85 Syn Voice
22 Harmonica
54 Syn Choir
86 Syn Sawtooth Wave
87 Syn Brass & Lead
23 Tango Accordion
55 Orchestral Hit
119 Reverse Cymbal
Guitar
Brass
Synth Pad
Sound Effects
24 Nylon Acoustic
25 Steel Acoustic
26 Jazz Electric
27 Clean Electric
28 Muted Electric
29 Overdrive
56 Trumpet
88 New Age Syn Pad
89 Warm Syn Pad
90 Polysynth Syn Pad
91 Choir Syn Pad
92 Bowed Syn Pad
93 Metal Syn Pad
94 Halo Syn Pad
120 Guitar Fret Noise
121 Breath Noise
122 Seashore
57 Trombone
58 Tuba
59 Muted Trumpet
60 French Horn
61 Brass Section
61 Syn Brass 1
62 Syn Brass 2
123 Bird Tweet
124 Telephone Ring
125 Helicopter
126 Applause
30 Distorted
31 Harmonics
95 Sweep Syn Pad
127 Gun Shot
Appendix E: MIDI Note Numbers
Octave (n)
Note Numbers
Cn
0
C#n
Dn
2
D#n
3
En
4
Fn
5
F#n
6
Gn
G#n
8
An
9
A#n
10
Bn
11
23
35
47
59
71
83
95
-1
0
1
2
3
4
5
6
1
7
12
24
36
48
60
72
84
13
25
37
49
61
73
85
14
26
38
50
62
74
86
15
27
39
51
63
75
87
16
28
40
52
64
76
88
17
29
41
53
65
77
89
18
30
42
54
66
78
90
19
31
43
55
67
79
91
20
32
44
56
68
80
92
21
33
45
57
69
81
93
22
34
46
58
70
82
94
7
8
9
96
97
98
99
100
112
124
101
113
125
102
114
126
103
115
127
104
116
105
117
106
118
107
119
108
120
109
121
110
122
111
123
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Session KeyStudio 25 User Guide
Appendix F: Standard MIDI Controller Numbers (MIDI CC’s)
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Bank Select
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
Breath Control LSB
Controller 35
Foot Control LSB
Porta Time LSB
Data Entry LSB
Channel Volume LSB
Balance LSB
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
Legato Pedal
102 Controller 102
103 Controller 103
104 Controller 104
105 Controller 105
106 Controller 106
107 Controller 107
108 Controller 108
109 Controller 109
Modulation
Hold 2
Breath Control
Controller 3
Sound Variation
Resonance
Foot Control
Porta Time
Release Time
Attack Time
Data Entry
Cut-off Frequency
Controller 75
Controller 76
Controller 77
Controller 78
Controller 79
Gen Purpose 5
Gen Purpose 6
Gen Purpose 7
Gen Purpose 8
Portamento Control
Controller 85
Controller 86
Controller 87
Controller 88
Controller 89
Controller 90
Reverb Depth
Tremelo Depth
Chorus Depth
Celeste (De-tune)
Phaser Depth
Data Increment
Data Decrement
Non-Reg Param LSB
Non-Reg Param MSB
Channel Volume
Balance
Controller 41
Pan LSB
110
111
112
113
114
115
116
117
118
119
Controller 110
Controller 111
Controller 112
Controller 113
Controller 114
Controller 115
Controller 116
Controller 117
Controller 118
Controller 119
Controller 9
Expression LSB
Controller 44
Controller 45
Controller 46
Controller 47
Pan
Expression
Effects Controller 1
Effects Controller 2
Controller 14
Controller 15
Gen Purpose 1
Gen Purpose 2
Gen Purpose 3
Gen Purpose 4
Controller 20
Controller 21
Controller 22
Controller 23
Controller 24
Controller 25
Controller 26
Controller 27
Controller 28
Controller 29
Controller 30
Controller 31
Bank Select LSB
Modulation LSB
Gen Purpose 1 LSB
Gen Purpose 2 LSB
Gen Purpose 3 LSB
Gen Purpose 4 LSB
Controller 52
Controller 53
Controller 54
Controller 55
Controller 56
Controller 57
Channel Mode Messages
120 All Sound off
121 Reset all Controllers
122 Local Control
123 All Notes Off
124 Omni Off
Controller 58
Controller 59
Controller 60
Controller 61
125 Omni On
126 Mono On (Poly Off)
127 Poly On (Mono Off)
Controller 62
Controller 63
Sustain Pedal
Portamento
Sostenuto
100 Reg Param LSB
101 Reg Param MSB
Soft Pedal
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Session KeyStudio 25 User Guide
Appendix G: Roland GS and Yamaha XG NRPN Support
NRPN NRPN Data
MSB LSB MSB
Data
LSB
CC99 CC98 CC06 CC38
01
01
08
00-7F n/a (-64 - 0 - +63) Vibrato Rate (relative change)
09
00-7F n/a (-64 - 0 - +63) Vibrato Depth (relative change)
01
0A
00-7F n/a (-64 - 0 - +63) Vibrato Delay (relative change)
01
20
00-7F n/a (-64 - 0 - +63) Filter Cutoff Freq (relative change)
01
21
00-7F n/a (-64 - 0 - +63) Filter Resonance (relative change)
01
63
00-7F n/a (-64 - 0 - +63) EG (TVF&TVA) Attack Time (relative change)
00-7F n/a (-64 - 0 - +63) EG (TVF&TVA) Decay Time (relative change)
00-7F n/a (-64 - 0 - +63) EG (TVF&TVA) Release Time (relative change)
00-7F n/a (-64 - 0 - +63) Drum Filter Cutoff Freq (relative change)
00-7F n/a (-64 - 0 - +63) Drum Filter Resonance (relative change)
00-7F n/a (-64 - 0 - +63) Drum EG Attack Rate (relative change)
00-7F n/a (-64 - 0 - +63) Drum EG Decay Rate (relative change)
00-7F n/a (-64 - 0 - +63) Drum Instrument Pitch Coarse (relative change)
00-7F n/a (-64 - 0 - +63) Drum Instrument Pitch Fine (relative change)
00-7F n/a (0 to Max) Drum Instrument Level (absolute change)
00-7F n/a (Random, L>C>R) Drum Instrument Panpot (absolute change)
00-7F n/a (0 to Max) Drum Instrument Reverb Send Level (absolute change)
00-7F n/a (0 to Max) Drum Instrument Chorus Send Level (absolute change)
00-7F n/a (0 to Max) Drum Instrument Variation Send Level (absolute change)
01
64
01
66
*14
*15
*16
*17
18
00-7F
00-7F
00-7F
00-7F
00-7F
00-7F
00-7F
00-7F
00-7F
00-7F
00-7F
*19
1A
1C
1D
1E
%1F
* added by Yamaha XG; % changed from Delay to Variation by Yamaha XG
Appendix H: General MIDI Reverb and Chorus Types
Reverb Types
0: Small Room
1: Medium Room
2: Large Room
3: Medium Hall
4: Large Hall
8: Plate
Chorus Types
0: Chorus 1
1: Chorus 2
2: Chorus 3
3: Chorus 4
4: FB Chorus
5: Flanger
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Session KeyStudio 25 User Guide
Technical Info
Caution: Electro Static Discharge, Electrical Fast Transient and Conducted RF interference may cause the unit malfunctioning. In such case,
unplug the unit and plug it in again to restore normal operation.
Note: Your M-Audio product has been tested to comply with FCC Standards FOR HOME OR OFFICE USE. Modifications not authorized by the
manufacturer may void users authority to operate this device.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does
cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
<
<
<
<
Re-orient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/ TV technician for help.
ASIO is a trademark of Steinberg Soft– und Hardware GmbH.
VST is a trademark of Steinberg Soft– und Hardware GmbH
Warranty
Warranty Terms
M-Audio warrants products to be free from defects in materials and workmanship, under normal use and provided that the product
product.
Warranty Registration
Immediately registering your new M-Audio product entitles you to full warranty coverage and helps M-Audio develop and
manufacture the finest quality products available. Register online at www.m-audio.com/register to receive FREE product updates
and for the chance to win M-Audio giveaways.
WARNING: This product contains chemicals, including lead, known to the State of California to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
Session KeyStudio 25
Tested to comply with
FCC standards
FOR HOME OR STUDIO USE
© 2008 Avid Technology, Inc. All rights reserved. Product features, specifications, system requirements and availability are subject to change
without notice. Avid, M-Audio, Enigma, Session, O2 and KeyStudio 25 are either trademarks or registered trademarks of Avid Technology, Inc. All
other trademarks contained herein are the property of their respective owners.
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M-Audio USA
M-Audio Germany
5795 Martin Rd., Irwindale, CA 91706
Kuhallmand 34, D-74613 Ohringen, Germany
Technical Support
Technical Support
web . . . . . . . . . . . . . . . . . . . . . .www.m-audio.com/tech
tel (pro products) . . . . . . . . . . . . . . . . . . .(626) 633-9055
tel (consumer products) . . . . . . . . . . . . . . (626) 633-9066
fax (shipping) . . . . . . . . . . . . . . . . . . . . .(626) 633-9032
Sales
email. . . . . . . . . . . . . . . . . . . . . . . [email protected]
tel . . . . . . . . . . . . . . . . . . . . . . +49 (0)7941 - 9870030
tel . . . . . . . . . . . . . . . . . . . . . . +49 (0)7941 - 98 70070
Sales
e-mail . . . . . . . . . . . . . . . . . . . . . . . . [email protected]
tel . . . . . . . . . . . . . . . . . . . . . . . +49 (0)7941 98 7000
fax . . . . . . . . . . . . . . . . . . . . . . +49 (0)7941 98 70070
e-mail . . . . . . . . . . . . . . . . . . . . . . [email protected]
tel . . . . . . . . . . . . . . . . . . . . . . . . . . 1(866) 657-6434
fax . . . . . . . . . . . . . . . . . . . . . . . . . . .(626) 633-9070
M-Audio Canada
1400 St-Jean Baptiste Ave. #150, Quebec City,
Quebec G2E 5B7, Canada
M-Audio U.K.
Floor 6, Gresham House, 53 Clarendon Road, Watford
WD17 1LA, United Kingdom
Technical Support
Technical Support
tel . . . . . . . . . . . . . . . . . . . . . . . . . . .(418) 872-0444
fax . . . . . . . . . . . . . . . . . . . . . . . . . . .(418) 872-0034
Sales
tel (Mac and PC support) . . . . . . . . . . +44 (0)1753 658630
Sales
tel . . . . . . . . . . . . . . . . . . . . . . . +44 (0)1923 204010
tel . . . . . . . . . . . . . . . . . . . . . . . +44 (0)1923 204039
e-mail . . . . . . . . . . . . . . . . . . . [email protected]
tel . . . . . . . . . . . . . . . . . . . . . . . . . . .(866) 872-0444
fax . . . . . . . . . . . . . . . . . . . . . . . . . . .(418) 872-0034
Benelux
Technical Support
M-Audio Japan
アビッドテクノロジー株式会社 エムオーディオ事業部：〒
愛知県名古屋市
|
460-0002
Belgium tel . . . . . . . . . . . . . . . . . . . . . +32 22 54 88 93
Holland tel . . . . . . . . . . . . . . . . . . . . +31 35 625 0097
中区丸の内
2-18-10
：
Avid Technology K.K. 2-18-10 Marunouchi, Naka-Ku, Nagoya, Japan
460-0002
カスタマーサポート（
）
Technical Support
M-Audio France
Floor 6, Gresham House, 53 Clarendon Road, Watford
WD17 1LA, United Kingdom
環境専用
e-mail (Macintosh
（
）
tel . . . . . . . . . . . . 052-218-0859 10:00~12:00/13:00~17:00
Renseignements Commerciaux
セールスに関 するお問い合わせ（
）
Sales
tel . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 810 001 105
Assistance Technique
e-mail . . . . . . . . . . . . . . . . . . . . . . . . . . [email protected]
tel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 052-218-3375
fax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 052-218-0875
PC. . . . . . . . . . . . . . . . . . . . . . . . . . . 0 820 000 731
Mac . . . . . . . . . . . . . . . . . . . . . . . . . . 0 820 391 191
fax . . . . . . . . . . . . . . . . . . . . . . . +33 (0)1 72 72 90 52
Web
080211_SsnKyStu25_UG_EN01
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