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Re: EDP Feedback pedals...



Kim:
>Actually, this isn't right. Feedback works over the whole loop, not the
>cycles. If you have a 20 second loop that consists of a single 20 second
>cycle, or a 20 second loop that consists of 10 2-second cycles, the effect
>of feedback is the same. It wouldn't really be feedback if it did
>otherwise. The feedback level is applied after the loop audio output, and
>before the loop audio is mixed back into delay line, so a given bit of
>audio still has to wait 20 seconds before it is heard again with the
>feedback setting applied. The feedback structure looks a little bit like
>this crude ascii drawing:
>
>
>                                 _________
>                  ______________|feedback |__________
>                  |             | level   |          |
>                  |             |---------|          |
>                  |                                  |
> input => ------>(x)--->|=========================|------> output
>                               delay line
>

Has anyone tried setting a JamMan delay to single repeat (ie FB=1), taken
one of the outputs and fed it back through a volume pedal and mixer into
the input?  It would be one way of getting control over feedback, with the
only problem being the difficulty in matching the i/p and o/p to make sure
the loop doesn't either get louder or quieter ehen the pedal's on bypass.
If that were to work it would allow fading and replacing; added to the
delay-based looping advantages previously discussed, it would give more
functionality than regular JM looping, except for the use of multiple 
loops.

Michael


 Dr. Michael P. Hughes, University of Glasgow, Glasgow, UK G12 8QQ 
  ---------------------------------------------------------------
  "..man, the road must eventually lead to the whole world. Ain't
   nowhere else it can go - right?" - Jack Kerouac, "On The Road"
  ---------------------------------------------------------------
 www.elec.gla.ac.uk/~pycraft               m.hughes@elec.gla.ac.uk