[sdiy] Resonator type filters

[Michael Zacherl]

On 3.Jul 2017, at 10:36 , ijfritz at comcast.net wrote:

> …
> I don't hear any chirp when a note is attacked on a violin.  I just tried pulsing my string filter: I can see the output is dispered, taking 100 ms or so to totally die out, but I don't perceive anything like a chirp.
> ...

If I’m getting this right, it’s more about giving the thing a name and what it looks like for a single band rather than what it’s perceived like when listening to it.



(done in the digital domain: ch1 pulse, ch2 15 bands, ch3 single band - hi/Q) 

> ------ Original Message ------
> From: Richie Burnett
...
> As you said the more bands you have in your 
> vocoder, for example, the high the Q-factors, and the more rapidly the phase 
> changes across the bandwidth of each individual filter, and therefore the 
> more severe the dispersion you get when you feed transients through the 
> parallel filter bank as a whole.  For example, a click gets transformed into 
> a chirp... 

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