i'd say extract the mepg and then demux it. now edit the sound. and mux it back together with the video.
check guides on www.doom9.org or www.vcdhelp.com they show the details...
i don't know if goldwave is your buddy with this....i only used it for cutting and simple audio works.
jesus christ was a gangsta rapper. they killed him. he came back and made a platinum album.
