Audio stops playing partway into mpeg4 video

I recently added an mpeg4 video into my itunes library. It plays just fine in itunes. However, when I try to watch it on the ipod, the audio disappears half-way through the video. The video does continue to play in its entirety, but without sound. Any suggestions? Thanks!

I have the same problems. I am using Adobe Premiere to output an uncompressed Quicktime Mov and since I cannot control the bitrate with Quicktime Pro when converting to iPod format I now use VLC to convert to a iPod compatible file. Up to now I use mpg4v with 1024KBit as Video and mpg4a with 128KBit as Audio. I output a quicktime mov file.
When I convert the video with Quicktime Pro using custom MP4 settings so I can play the file on iPod I get video glitches every 10 seconds when the picture gets like a washed effect and gets very unsharp.
It plays fine in iTunes and Quicktime but when playing on the iPod the audio just stops after approx. 15 minutes. Happened with 3 different Movie files. Everytime close to 15:20 into the video. All 3 Videos are very different in total length.
When encoding the initial Quicktime File I use Apple Photo JPEG for uncompressed video and QDesign2 Audio encoding.
Is there any step that might indicate a problem in the whole process?
Since we got a couple of iPod here, we also had the same problem on every other one we tried. All use the 1.2 Firmware and iTunes 7.02.
Any help appreciated.
KajaSheen

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