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Looper's Delight
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>I assume the Repeater's audio delay is the same whether pitch-shifting
or >not. Can anybody confirm this? (Sorry for the earlier empty premail)
If it is, it is bound to be artificially made equal by design. The minimum
delay (impulse response) for the pitch shift algorithm has to be much longer
than for unprocessed audio. Physics say that there is less and less 'pitch'
about a portion of sound the shorter you make the time interval in which you
look. I think Mr Flint mentioned a minimum amount of pre-buffer that the
Repeater might apply a priori to anything coming in, whether it be processed or
not. The pre-buffer depth might be such that it could 'fit' the worst-case
number of successive samples to allow complex ops such as pitch shift or time
shift. And in doing so, also be the origin of the pass-through delay, the
subject of this discussion.
Nic |