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Fixing Avid Xpress underrun adm errors

In Avid Xpress, an indicator of mismatched sample rates are grey waveforms (sample plots).
http://www.geniusdv.com/weblog/archives/audio_video_underuns_in_avid_xpress.php

Description:

If you are receiving any of the following error messages it is probably because you are using mismatched sample rates within you Avid Xpress project.

AdmAdm Overrun error
AMDConsumer error
Audio Underrun
Video Underrun

Audio files directly from a CD have a sample rate of 44.1. The most common sample rate used for DV media is 48k, or 32k. To keep things simple I suggest always setting your camera to record audio at the 32k sample rate. In your camera, it may give choices for 12 bit audio or 16 bit audio.

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