[PD] feedback control

sven ml.sven at subscience.de
Mon Mar 21 11:31:44 CET 2005

I know some because I did a 
just a few minutes ago...

>That strategy seems like it'd be good for a piece of dedicated hardware to 
>do. Do you know of any?
>sven wrote:
>>hi robert,
>>feedback suppression should be quite easy to achive w/ the vasp external.
>>fft the incoming signal. check if there are 1 or 2 bands which are much 
>>louder than their neighbours.
>>if so multiply that bands which an adjustable value <1 and than take the 
>>feedback noise is a pure sine (until it's getting so loud that it' 
>>distorts) so
>>they don't have overtones and cause a significant peak in at most 2 
>>neighbouring bands.

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