SOUND

Never tried this with a QT movie, but it has worked fine for me otherwise:

SOUND END
DIM pBlock.100
Pblock.ioCompletion& = 0 'completion rtn
Pblock.dCtlRefNum% = -4 'drvr ref num
Pblock.CsCode% = 2 'control code
Pblock.CSParam% = sndLevel 'sndLevel 0-7
OSErr = FN CONTROL(@Pblock)