[PD] average Signal block by block

Georg Holzmann grhPD at gmx.at
Thu Dec 7 18:26:10 CET 2006


Hallo!

> to explain it with an example imagine a sine Signal of appropriate 
> frequency (like 44100/1024 Hz to fit into a 1024-array) with some added 
> white noise
> with maverage~ the result would be 0
> with the average function i need the result would be a clear sine 
> without noise (if you average over enough blocks)

hm, I don't know if I understand what you want, but maybe you want to 
only leave correlated signals ?

E.g. noise is highly uncorrelated ...

> i tried to realize it with the FIR~ object and an array with all values 
> set to 1 ... and it seemed to work
> greater array leads to a average of more blocks, but the FIR~ object 
> does some weird things, like shifting my signal which makes it not 
> usable for me

okay, I understand ...

> it would be great if someone of you got an idea for me how to solve this 
> problem

what do you want to do with that - only removing noise from a signal ?

LG
Georg




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