Waves – Trans-X
Software Audio Processor
User’s Guide
Waves Trans-X software guide page 1 of 8
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The Multiband plug-in splits the program to four bands by engaging three
phase-compensated crossovers. The crossover design is identical to the
Waves C4. In the multiband component you can specify a dedicated range
and sensitivity for each band. This allows you to make better adjustment on a
drum group auxiliary or a drum loop that needs improved punch.
Sometimes, using the Trans-X Multi on a single instrument, allows you to
design the spectral nature of the transient, so you are shaping not only the
attack but also the EQ of the transient. This process usually requires more
careful adjustment but can yield results superior to anything else we have
come across during the development of Trans-X.
The Trans-X has automatic level padding when the range is extended. The
reason for this is that a typical application will be to boost the attacks on a
signal that is already hot. Without the level padding this is sure to produce
clipping and distortion instead of the desired punch and impact. The output
level can be adjusted after the impact is satisfactory, and you can use the trim
button to bring the output peak gain to the full scale.
The Trans-X can co-exist with other dynamics processors, such as
compressors, expanders and limiters, and it can work before or after these
processors in the signal path. It may seem that using a fast-attack compressor
after the Trans-X will destroy all the good work of the Trans-X, but in reality it
doesn’t necessarily do that, and many times a lot of the punch survives post
compression with the shortest attacks. The reason for this is that normal
dynamics compression can’t change the attack time of the instrument, which
defines punch and impact; it can only lower its gain when the energy exceeds
a certain threshold. The secret is that the detail and settings of compressors
and similar devices can affect the punch regardless of using transient
processing. Transient processing can also be quite effective post
compression, expansion, limiting, etc.
The Trans-X is the mixing engineer’s secret weapon for the articulation of
transients as well as a handy tool for reaching the desired balance between
the continuous and sustained vs. the impulse and transient. It is not designed
for mastering or for human voice processing, although you may find creative
uses that are beyond the scope of its intended applications.
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Chapter 2 – Using the Trans-X
Although using the Trans-X is easy (there are only a few controls to set), there
is still a range of subtle nuances and general functionality that gives complex
results. The Trans-X comes with a set of factory presets that can serve as
good starting points and are usually classified and named according to the
application they were designed to carry out.
SETUP BASICS
The recommended technique for adjusting the Trans-X is to begin with
extreme Range settings to adjust the rough and conceptual picture and then
fine tune it by moderating the extreme settings to the desired effect.
The first step is to identify the element that needs transient processing.
All elements can benefit from the multiband advantage but in many cases the
wide band will simply do the trick. The general rule is that single instrument
tracks that seem to have good EQ but just need transient extension or
moderation, can do very well with the Wideband component, while mixed
percussion, full drum kits and also wide-range polyphonic tracks will usually
require the Multiband.
Here are some examples of such elements:
• Bass Drum that sounds good on its own but loses presence when it
plays along with other instruments.
• A snare drum that doesn’t sound close enough even when completely
dry. Or that sounds too punchy and needs to be looser.
• A Drum loop that sounds somewhat worn-out or originating from an old
and dull recording.
• A percussion track that needs focusing.
• An acoustic guitar that was recorded from too far away and needs to
sound closer or vice versa.
• A Bass guitar or synth that needs to more actively drive the music with
its rhythmic pattern.
• A piano or tuned percussion track (i.e. marimba, xylophone,
vibraphone) has overly aggressive attacks.
The Trans-X factory presets include a preset for all of the above elements.
Once you insert Trans-X, select the related preset from the Load menu on the
Plug-in’s top toolbar. Solo the track whose transients you are processing to
hear it on its own. Take the Range to the maximum value and fine-adjust the
duration and sensitivity to make the desired effect. If the sound seems grainy,
try a longer duration and release time. Un-Solo and review the duration and
sensitivity settings.
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Note! When boosting the range, it is important to anticipate the drop in overall
track level. You may then use the AutoTrim button to bring the output level
back up to just below clipping. Moderate the range to fit your needs. This is
best done by ear while listening to the actual program.
MULTIBAND CONSIDERATIONS
When you have a mixed percussion track or a full drum set it is obviously
advantageous to use the Multiband component. You will immediately see how
each band responds to the excitation of the sounds within its frequency range.
Typically you will see the dynamic gain line jumping in the low bands for the
bass drum kicks, the mid, high-mid for the snare drum, and the high band for
the hi-hat. Sometimes, you will want to improve the punch of the bass drum
and snare, while moderating the attacks of the hi-hat. You can do this by
setting the crossovers so that the three lower bands have a positive “boosting”
range and the hi-hat gets a negative “cutting” range.
Each band has an On/Off control so you can easily A/B compare between the
effect on just one certain band by turning the others off. The On/Off does not
shut out the audio in the band but it shuts off the transient processing.
Transient attacks usually have a wider frequency range than the sustained
part of the sound and sometimes shaping the transients can be enhanced by
spectrally shaping the transient process. For example, a certain bass drum
needs help at the higher frequencies of its transient in order to cut through the
mix, especially on small speakers. In this case you can insert the Multiband
component on the bass drum track and set it so that the two mid bands both
react to the bass drum’s attacks and specify higher sensitivity and range for
the higher of the bands that shape the transient attack.
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Chapter 3 – Controls and displays
TRANS-X CONTROLS
RANGE: +18 to –24dB. Default: +6dB.
The range control defines the maximum gain adjustment possible. When set
to +18dB, it means that it will boost up to 18dB more and never go over the
range limit. The range is displayed on the graph as a purple area above or
below 0 dB. Its boundaries are shown by a light purple color.
You can adjust the range from the graph by using the grab markers, the
triangle to the side of the meter in the Wideband component, and each of the
crosshair markers on the Multiband component.
SENS = SENSITIVITY: +10 to –10. Default: 0dB.
The Sensitivity defines what the amplitude of the attack should be in order to
be detected. With a high Sensitivity setting, even small attacks will be
detected, while a low setting ignores small attacks, and detects only large
amplitude attacks. Too much sensitivity will begin to introduce continuous gain
adjustment because it will be so sensitive that every upward fluctuation of the
waveform will trigger it before it can reach any release.
DURATION: 0.01ms to 500ms. Default: 4.10ms.
The duration control defines the Attack time of the transients that we want to
shape or the velocity of the gain changes that we want to detect. Here, it is
usually best to set a value that corresponds to what you would set as the
attack time of a compressor. As a general rule, the longer the duration value,
the more attacks that will be detected and processed. It is best to set this by
ear in context and achieve the desired balance between Duration and Sens.
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RELEASE: 0.50 to 500ms. Default:10.02ms.
This is the release time for the gain adjustment. Once the detected transient is
over, this is the time it will take the gain adjustment to settle back to 0dB. The
release is actually not completely linear and in the multiband it is even scaled
differently for each band.
OUTPUT: +18dB to –18dB. Default: 0dB.
The Output fader is located between the output meters and adjusts the gain of
the overall output of the Trans-X.
TRIM: Click to Trim.
The Trim control is located between the clip indicators and shows the number
that is the difference between the peak energy and the full digital scale or
0.0dBfs. When you click the Trim control, it will adjust the output gain by the
indicated value. For example, if the Trim box indicates 3.2dB below full scale,
then clicking it will increase the current output gain by 3.2dB. This is
convenient for setting the best level for the plug-in output without clipping it.
Multiband Only: Per band ON/OFF: Default: On.
This will turn the Transient processing on and off for the related band.
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TRANS-X DISPLAYS
GAIN ADJUSTMENT METERS:
The Trans-X Wide shows a gain adjustment meter where the range is
indicated by purple shading and a yellow line represents the gain adjustment
within the range. The Trans-X Multi shows a similar display with a dynamic
gain line over the full band spectrum so that you can see how much gain is
adjusted per each band.
OUTPUT METERS:
The output meters measure the top 30dB peak value. Beneath each meter is
a peak counter that holds its peak value until reset by clicking on the meters.
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