using a vocoder with xine

Hello Everybody

  I have a a vocoder program that I have written up that works
reasonably well that slows sound by some factor ( say 5 times slower,
whatever you like ) with good fidelity and no pitch shift.  I would
like to add it to or use it with xine, so that when you watch the
movie at 1/5 speed the sound is properly synced and am wondering how
feasable this would be with xine, along the lines of playing back the
video at 5 times slower (say) and diverting the normal sound stream
into the vocoder resulting in synced sound with no pitch shift.

Bruce

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