Encoder Audio/Video Not Matching Up

I am trying to encode a 1 hour MPEG2 video file to FLV. I
have used different computers (upgrade to faster processor, 1GB
ram, but this was on a completely separate machine from previous
attempts) and different MPEG2 codecs. Every time I encode a video
the audio and video tracks do not line up. They are about 3-5
seconds away from each other. I have verified that the original
file is correct. Please advise.

Their problem is they have video at 48 kHz and audio at 44.1 kHz<<</div>
Ummm No. Video isn't measured in audio sampling rates. You probably captured video with the preset for DV NTSC 48khz (the 48khz is the audio portion). But your audio was either recorded incorrectly or from another source (CD audio perhaps?).
Use QT Pro to export the 44.1khz audio to 48 khz and import into your project - OR - use SoundTrack Pro to resample at 48khz.
-DH

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