Specifications

Chapter 6: Sessions 39
To change the number of voices and DSP to
allocate for voicing:
1 Choose Setups > Playback Engine.
2 Select the number of voices and DSPs to allo-
cate for voicing by selecting a value from the
Number of Voices pop-up menu.
• Select higher voice numbers when your
Digidesign cards are the only PCI cards in
your computer, or when you are using an
expansion chassis to run higher track
counts.
• Select medium voice numbers when your
Digidesign cards are in an expansion chas-
sis, or when you are using other PCI cards
along with Digidesign cards.
• Select minimum voice numbers if you are
using high-bandwidth PCI cards (such as
video capture cards) along with your
Digidesign cards. In addition, to free up
DSP for plug-ins and processing, select the
minimum number of voices and DSPs
needed to play back the current session.
3 Click OK.
Default Sample Rate
The Sample Rate setting appears as the default
sample rate when you create a new session.
(This setting is available only when there is no
session open.)
To change the default Sample Rate:
1 Choose Setups > Playback Engine.
2 Select the sample rate from the Sample Rate
pop-up menu.
3 Click OK.
Playback Engine dialog (Pro Tools 6.4)
The Sample Rate setting can affect the
number of available voices on TDM sys-
tems.
You can change the sample rate when cre-
ating a new Pro Tools session by selecting a
different sample rate in the New Session di-
alog. (
See “Creating a New Session” on
page 45.)