DigiDesign Mbox 2 Mini Setup Manual page 38

To change the Hardware Buffer Size:
1 Choose Setup > Playback Engine.
2 From the H/W Buffer Size pop-up menu, select the audio buffer size, in samples.
3 Click OK.
RTAS Processors
The RTAS Processors setting determines the number of processors in your computer allocated
for RTAS (Real-Time AudioSuite) plug-in processing.
With multiprocessor computers, this setting lets you manage multi-processor support for
RTAS processing. With multiple processor computers running Windows that support Hyper-
Threading (and have it enabled), you must disable Hyper-Threading for this setting to become
available. See your computer's documentation for steps on how to enter the computer's BIOS
and disable Hyper-Threading (Windows only).
Used in combination 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. For
example:
• For sessions with large numbers of RTAS plug-ins, you can allocate 2 or more processors to
RTAS processing and set a high CPU Usage Limit.
• For sessions with few RTAS plug-ins, you can allocate fewer processors to RTAS and set a low
CPU Usage Limit to leave more CPU resources available for automation accuracy, screen re-
sponse, and video.
• Depending on the importance of video and overall screen response, and on the density of
automation being employed, try different combinations of RTAS Processing and CPU Usage
Limit settings to achieve the best results. For example, to improve screen response in a me-
dium-sized session using a moderate number of RTAS plug-ins, try reducing the number of
RTAS plug-ins, but keep the CPU Usage Limit set to its maximum on a single processor sys-
tem.
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Mbox 2 Mini Setup Guide