Re: Electro Harmonix Freeze - Sound Retainer

[andy butler <akbutler@tiscali.co.uk>]

Charles Zwicky wrote:
> 
> Andy,
> 
>  A reverb is not simply a "network of delays", 

...but your description below is *exactly* that.
All the elements of it are composed of delays.
 


Anyone who has Bidule can open up Freeverb and see how it works.
...and maybe use it as a basis to create a freeze of sorts.

I didn't hear increasing phase dispersion in the EH examples,
which would be the case if the sound was looping through 
an allpass, but maybe I just didn't hear it.

>in fact most digital 
> reverbs consist of  a loop of allpass filters*  set to various delay 
> lengths with a variety of injection points and output taps.
> 
> * An allpass filter is defined as a feedforward  delay combined with a 
> feedback delay, it is at the heart of every digital reverb and the 
> result of increasing the coefficient is greater diffusion.
>