Quicktime Problem (no audio, but video looks great)

[pinkoos]

Will Collier wrote:
Streamclip is worth a try. Worst comes to worst, and if you can find a copy, VisualHub with the video set to passthrough would transcode the audio track to something more QT-friendly.

I've got VH. What setting should I use (MP4, MPEG, etc.) and how do I set the video to passthrough?

Thanks.