We made an AVI file with a short sound inserted at a middle time using Poser5.

We got an expected results when we played it with Windows Media Player.
However, if we used Quick time Player to play it, the timing of the sound shifted, and the sound started at the beginning time.
The sound should start at a middle time.
How can I fix the problem? Is it possible to fix it?

Thank you,
HimiCo.