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Misc. Vocoder Qs

2002-11-28 by Tentochi

What is the typical bandwidth of a classic analog
vocoder?

What is the bandwidth of the '420 in band pass mode? 
Is it possible to adjust this?

Can someone please repost the frequencies each of the
bands of a classic vocoder or point me to a link where
I can find those?  I know Paul posted it about 3 years
ago, but I can't find it.

If you were to create a vocoder out of a modular
synthesizer, what happens to the signal when you split
it through a mult to go to let's say 21 BPFs?  Is this
a problem?  If so, how can you compensate for it?

What are typical ways to condition the input of a
vodocder before it reaches the BPFs?  What about the
oputput (other than mixing in the original signal)?

What is the best way to tune the the cutoff frequency
on the '420 for HP and LP and the center frequency for
BP?

Thanks!
Shemp

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