Configuring Pro Tools Academic - DigiDesign Mbox 2 Academic Getting Started Manual

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Configuring
Pro Tools Academic
Pro Tools System Settings
Pro Tools Academic lets you adjust the perfor-
mance of your system by changing system set-
tings that affect its capacity for processing, play-
back, and recording.
In most cases, the default settings for your sys-
tem provide optimum performance, but you
may want to adjust them to accommodate large
or processing-intensive Pro Tools sessions.
Hardware Buffer Size
The Hardware Buffer Size (H/W Buffer Size) con-
trols the size of the buffer used to handle host
processing tasks such as Real-Time AudioSuite
(RTAS) plug-ins. The H/W Buffer setting can also
be used to manage monitoring latency.
Lower Hardware Buffer Size settings reduce
monitoring latency, and are useful when you are
recording live input.
Higher Hardware Buffer Size settings allow for
more audio processing and effects, and are use-
ful when you are mixing and using more RTAS
plug-ins.
In addition to causing slower screen re-
sponse and monitoring latency, higher
Hardware Buffer Size settings can increase
the latency caused by RTAS plug-ins, and
affect the accuracy of plug-in automation,
mute data, and MIDI track timing.
To change the Hardware Buffer Size:
Choose Setup > Playback Engine.
1
Playback Engine dialog for Mbox 2 Academic
From the H/W Buffer Size pop-up menu, select
2
the audio buffer size, in samples.
Click OK.
3
RTAS Processors
The RTAS Processors setting determines the
number of processors in your computer allo-
cated for RTAS plug-in processing.
With computers that have multiple processors,
or that feature multi-core processing or hyper-
threading, this setting lets you enable multi-pro-
cessor support for RTAS processes. Used in com-
bination with the CPU Usage Limit setting, the
RTAS Processors setting lets you control the way
RTAS processing and other Pro Tools tasks are
carried out by the system.
A higher number of processors reserves more
CPU processing capacity for RTAS plug-in pro-
cessing. This is useful for sessions with large
number of RTAS plug-ins.
Chapter 4: Mac Configuration
25

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