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Table Of Contents
Preparing the Hardware for Capture
AVID CONFIDENTIAL DRAFT VERSION
10/13/11 161
Getting Information About Striped Drives
Avid maintains information about striping drives that is available through Avid online support.
For more information, see “Storage Options and Drive Striping” in the Help.
To get information about striped drives:
1. Go to www.avid.com/onlinesupport.
2. Search for “Drive Striping Tables.”
Establishing Sync for Audio-Only Input
When you capture audio with video, the video input signal provides the timing reference for
capturing analog audio. This ensures that the audio and video remain in synchronization.
When you capture audio only, the audio timing reference is taken from the same source as the
video output timing. You set the sync source for capture and output timing through the Video
Output tool. For more information about connecting a reference signal, see “Selecting the Sync
Source for Output” on page 1018.
If you are capturing audio only, and the audio must be resynchronized with video, you must
make sure that the audio captured remains synchronized with the associated video. There are
several cases to consider, depending on whether the input is analog or digital, and (in the case of
digital input with some Avid input/output hardware) whether sample rate conversion is involved.
Analog Audio Input
If you are capturing audio-only from an analog source, sync is taken from the sync source, either
black burst or tri-level, depending on the selection in the Video Output tool. If no sync source is
connected, sync is generated from internal timing.
With some Avid input/output hardware, you can view the selected sync source in the Hardware
tab of the Audio Project settings dialog box, in the Sync Mode field. To be sure you see the
correct sync source, view the Audio Project settings with the Capture tool active, or with
channels armed for passthrough in the Audio tool.
Striped drives If you are capturing media at high resolution, you must use striped drives. See
“Storage Options and Drive Striping” in the Help and “Getting Information
About Striped Drives” on page 161.
Item Description (Continued)