User Manual

Core Avid Audio Plug-Ins
1003
Trim (RTAS)
The Trim plug-in can be used to attenuate an audio signal from -[Infinity] dB to +6 dB or
[Infinity] dB to +12 dB. For example, using a multi-mono Trim plug-in on a multichannel track
provides simple, DSP-efficient muting control over the individual channels of the track.
This capability is useful, since Mute buttons mute all channels of a multichannel track and do not
allow muting of individual channels within the track.
Formant/Transient You use the Formant or Transient parameter controls to adjust either the amount of formant
shift or the transient detection parameters, depending upon which mode you select in the
Audio section.
n
The Formant parameter is available only when you select Monophonic as the Audio
mode. The Transient section is available with slightly different controls, depending on
whether you select Polyphonic or Rhythmic as the Audio mode.
The Formant section provides a single control for transposing the formants of the selected
audio by –24.00 semitones (–2 octaves) to +24.00 semitones (+2 octaves). You can specify a
Formant value by adjusting the Formant Shift control or typing a value in the Shift text box.
Transient material tends to change its content quickly in time, as opposed to parts of the
sound which are more sustained. You can use the controls in the Transient section to adjust
the following:
• Threshold — the transient detection threshold in the processed audio when you are
time-stretching. You can set the threshold from 0.0 dB to –40.0 dB (the default
is –6.0 dB).
• Window — the analysis window length for processing audio (Polyphonic mode only).
You can set the window length from 6.0 milliseconds (ms) to 185.0 ms (the default is
18.0 ms) by adjusting the Window control or typing in the Window text box.
• Decay Rate — the amount of decay, or audio fade, from a transient that is heard in the
processed audio when you time-stretch (Rhythmic mode only).
The Follow button enables an envelope follower that simulates the original acoustics of the
audio being stretched (Polyphonic mode only). Click the Follow button to enable or disable
envelope following.
Pitch You use the Pitch parameter controls to shift the pitch of the audio. You can pitch shift audio
by using the Transpose and Shift text boxes:
• Transpose — displays the transposition amount in semitones; you can transpose pitch
from –24.00 semitones (–2 octaves) to +24.00 semitones (+2 octaves).
• Shift — displays the pitch shift amount as a percentage. You can pitch shift from 25.00%
(–2 octaves) to +400.00% (+2 octaves).
n
In Monophonic mode, pitch shift can also be formant-correct.
Parameter Description