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Solving Audio and Video Sync Issues
Another issue that FCP users sometimes encounter is audio and video going out of sync during playback. There are several different causes, from mistakes in your settings to the very nature of DV and QuickTime. Determining whether the problem you encounter is progressively or consistently out-of-sync will give you your main clues as to why this is occurring and what you can do to address it. First let's look at what progressive and consistent mean in terms of audio and video sync.
| 746 | |||
|---|---|---|---|
| #2: Correct capture settings, but clips go slightly out of sync after several minutes, and a red or green line appears in the Timeline above the clip | Nonstandard sample rate in recording device | Convert your audio sample rate; page 746 | |
| Audio and video consistently out of sync | #1: Monitor playback is consistently out of sync with output device | Bus latency (the pathway to the output device is delaying the signal) | Adjust latency between your monitor and output device; page 748 |
| #2: Video and audio sent to separate devices are consistently out of sync with each other | Bus latency (the pathway to the output device is delaying the signal) | Adjust latency between your output devices; page 750 | |
| #3: Audio consistently out of sync when using a Panasonic AG-DVX100 camera | Missing DVX-100 Audio Sync tool plug-in | Install the DVX-100 Audio Sync tool in the plug-ins folder; page 751 | |
