DigiDesign DigiRack, Руководство пользователя

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Chapter 6: DigiRack Real-Time TDM and RTAS Plug-ins 87
VENUE Provides Peak metering behavior with a
meter scale calibrated specifically for Digidesign
VENUE systems. Reference calibration (0 dB) is
–20 dBFS.
Meter Peak Hold Options
Each of the SignalTools plug-ins lets you choose
the style of peak hold when peaks are shown in
the plug-in meters.
3 Second Displays peak levels for 3 seconds
Infinite Displays peak levels until meters are
cleared
No Peak Hold Does not display peak levels
Reference Mark Options
Each SignalTools meter type lets you adjust the
level of the reference mark on the side of the
meter display. The mark is set by default to the
reference level for the corresponding meter
type.
To change the reference level of a SignalTools
meter:
■
Drag the reference mark to a different location
on the meter scale.
Pitch
(Pro Tools HD Only)
The Pitch plug-in is designed for a variety of au-
dio production applications ranging from pitch
correction of musical material to sound design.
Pitch processing uses the technique of varying
sample playback rate to achieve pitch transposi-
tion. Because changing audio sample playback
rate results in the digital equivalent of vari-
speeding with tape, this is an unsatisfactory
method since it changes the overall duration of
the material.
Pitch transposition with the Pitch plug-in in-
volves a much more complex technique: digi-
tally adding or subtracting portions of the audio
waveform itself, while using de-glitching cross-
Meter values are always displayed on con-
trol surfaces in dBFS values, regardless of
the Meter Type setting.
SignalTools meters also change color to
show different ranges of level. The relative
range of color automatically adjusts to fol-
low the current Reference Mark setting in all
meter types (except Peak+RMS).
Pitch plug-in