Audio and Video Sync Issues
With the Avidáediting system set up as shown in
Connecting a Computer with a Client Monitor, the video and audio might appear to be out of sync in the following situations:
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You are capturing from a digital device.
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A Client monitor is attached.
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The system, however, is functioning normally, as explained below.
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Sync Issue: When capturing from a digital device (a digital camera,
digital video deck, or transcoder), what you see on the system monitor
and hear from the system speakers is not in sync with the incoming
video and audio coming from the digital device.
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Explanation: The incoming video and audio from the digital device
must be buffered, and then fed to the system monitor and system
speakers. Although it might look and sound out of sync from the
digital device output, the video and audio are being captured properly.
For example, if you are marking IN and OUT points while previewing
video, the points are placed in the correct location for editing.
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Sync Issue: With a Client monitor attached, the audio you hear from
the system speakers is not in sync with the video on the Client monitor.
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Explanation: Your Avid system processes the video and audio and
sends them to the system monitor and system speakers. The system
video and audio are always in sync.
However, your Avid system also provides the same video and audio in
1394 format to a digital device (digital camera, digital video deck, or
transcoder) connected by a 1394 cable (see
AvidáEditing with a Client
Monitor).
Because the Client monitor is attached to the digital device, the delay
between the time the video and audio are processed internally and sent
to the digital device causes the video on the Client monitor to be out of
sync with the audio from the system speakers.
To hear synchronized audio while you use a Client monitor for video:
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Attach a separate pair of speakers to the same digital device you
attached to the Client monitor.
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Turn off or disconnect the system speakers.
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Client monitor video and audio from external speakers are always in
sync when they are sent to the digital device.
