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The problem with audio drift in a DV Type 2 file is a known issue with DV Type 2. It's not a unique problem with DV Rack, but rather a problem with the format. Type 2 DV Files store the audio and video in seperate "streams" within the file, and playback can show audio drift over time. It rarely shows up in clips under half an hour, but 1 hour-2 hour clips like Rob was capturing will start to show the problem.
The fix is simple - use Dv type 1 as your capture format for long captures. Type 1 DV files keep the audio and video in a single "stream," much like the way the data is recorded to tape in the camera. This prevents the two from coming out of sync with one another.
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Karl Soule'
Product Marketing Manager, Serious Magic Professional Products Group.
ksoule@seriousmagic.com
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