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Dave Smith Instruments SYNTHESIZERS

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Message

Re: Delays and controllers

2004-05-09 by dhamaryder

Interesting. I just wasn't sure if it was normal behavior.



--- In DSI_Evolver@yahoogroups.com, "Anu Kirk" <anukirk@p...> 
wrote:
> DELAY:
> With modulating delay times, you have 2 choices:  You can 
either  
> interpolate or not.
> 
> If you interpolate, you get the pitch-shifting behavior you 
experience  
> with the Evolver at present.  This is similar to what happens 
with an  
> analog delay if you vary the delay time while signal is passing 
through.   
> As others have noted, that's why we can do chorus and 
flanging with the  
> delay line.
> 
> The alternative is NOT to interpolate, which would result in very 
nasty  
> clicking noises whenever the delay time changed.
> 
> The details of why require some knowledge of DSP theory.
> 
> CONTROLS:
> As for the knobs, if they didn't work the way they do, how could 
you  
> possibly see what the value of the parameter you're adjusting 
is?  You'd  
> have to have an additional way to "display knob" which would 
be too  
> complicated for a device with the Evolver's UI.
> 
> The easiest workaround is to plug in a MIDI controller and map 
its knobs  
> or controls to the Evolver's inputs for breath, mod, foot, etc.

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