Appendix B: DSP Delays Incurred by TDM Plug-ins
129
appendix b
DSP Delays Incurred by TDM Plug-ins
Virtually all TDM plug-ins incur some amount
of signal delay.
If you are working with mono tracks, or are pro-
cessing all channels with the same plug-in, the
signal delays are not long enough to be signifi-
cant and should not be a concern.
This signal delay is significant only if you use a
plug-in on one channel of a stereo or multi-
channel signal but not the others, since this can
cause the channels to be slightly out of phase.
Table 3 shows the delays inherent in each type
of Digidesign TDM plug-in.
≈
Pro Tools|HD systems provide automatic
Delay Compensation to compensate for sig-
nal processing delays. For detailed informa-
tion, see the
Pro Tools Reference Guide.
Table 3. Samples of delay incurred by each real-time
DigiRack TDM plug-in on HD cards
Plug-in
Samples of Delay on
HD Cards
EQ III (1-band)
4
EQ III (2–4 band)
4
EQ III (7-band)
4
Compressor II
4
De-esser
4
DigiRack Pitch
3
D-Verb
3
Compressor/Limiter III
4
Expander/Gate III
92
De-Esser III
4
Limiter II
4
Gate II
4
Expander/Gate II
4
Mod Delay I/II (short)
4
Mod Delay I/II (slap)
4
Summary of Contents for DigiRack
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Page 100: ...DigiRack Plug ins Guide 94 ...
