Load the video into Quicktime Pro, then click 'File', 'Export'. Then at the Export bar, open the pull down menu. Select 'Sound to WAV'. Use the Options button to set the WAV file parameters. Enter a file name for saving your WAV then click the Save button.

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Fav quote - "Experience is whatcha don't get 'till ya don't need it no more."

System - Athlon 1.4GHz, Win98, Hauppauge PVR250 receiver and compressor.
Software -Magix Movie Edit Pro 10, Nero 6 + NeroVision Express, Moho 4.61, PSP 8.1, Bryce, Quicktime 6.52 pro, Goldwave 5, DVD-Lab.
Cameras - Panasonic GS9, Canon ES8400V, Canon EOS D20 and Canon A70