[
Date Prev][
Date Next] [
Thread Prev][
Thread Next]
[
Date Index][
Thread Index][
Author Index]
Re: Electro Harmonix Freeze - Sound Retainer
Andy,
A reverb is not simply a "network of delays", 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.
-Chuck
>Charles Zwicky wrote:
>>I love how "granular" processing has become such a catch-all in the
>>electronic music community.. ;-)
>>
>>The "freeze" pedal uses hi coefficient allpass filters, it's
>>similar to a digital reverb set to an infinite decay time.
>
>I've not heard the term "hi coefficient" used in filter dsp before.
>
>As a reverb is a network of delays with feedback I don't
>disagree with your analysis of course.
>Except that the sound isn't reverb-like.
>
>
>There's clearly a repetition every 180mS here
>
>http://www.youtube.com/watch?v=sjFth1mg5Rc
>
>from 2:48
>
>but then there's longer cycles audible too.
>
>...but there's no glissandi within the freeze
>...however, unlike a reverbed glissando there's
> still clearly defined constant frequencies
>
>need to hear it without Youtube sound compression,
>but I'm still puzzled
>
>andy
--
...
http://www.zmix.net
http://www.esession.com/ChuckZwicky
http://albumcredits.com/zmix