[sdiy]RE: Re: [sdiy] analog pitch shifter circuit?

[rdrake]

as you say, probably very lo fi:

http://www.j-tron.com/pom.htm

but for $15, i'll probably give it a try.  hey, it's 2005: lo-fi is the new black...

lbd

>From: <synthplayer88 at spymac.com>
>To: <synth-diy at dropmix.xs4all.nl>
>Sent: Monday, January 03, 2005 4:35 PM
>Subject: [sdiy] analog pitch shifter circuit?
>
>
> Hi guys,
> I was wondering if anyone know how does the boss
>voice transformer achieve
>the
> voice pitch shifting?
> I would like to build an analog pitch shifter
>does what the Boss voice
> transformer do but I am not sure if that is an
>analog circuit, since all
>their
> new pedals such as the  PS3 and PS5 are all
>digital circuits.
>
> I came accross this chip that does pitch shifting
>but only has preset
>shift and 8
> Khz sampling rate :(
> which seems to be kinda lo fi...
>
>
>http://www.holtek.com/english/docum/consumer/8950.h
>tm
>
> Does anyone know of any monolithic IC that can do
>what this IC does but
>with more
> flexibility? eg. allows precise pitch shift of
>any notes up to serveral
>octaves.
>
> Oh, please do not suggest any DSP or
>uControllers. I would like to avoid
>ANY
> programming and looking for a simplest circuit to
>do this if possible :)
>
> How can I apply FM into this? eg. multiply the
>sound source by 2, 4, 8
>hz.....
> Can this be done?
>
> Thoughts?
>
>