[sdiy] MXR Pitch Transposer Schem/Circuit

Martin Fay martin at martinfay.com
Sun Mar 10 11:45:23 CET 2013


Hi Gordon,

I believe the trick is to have 2 read pointers into the delay buffer  
and crossfade between those outputs to avoid reading close to the saw  
reset.

Martin

Sent from my iPhone

On 10 Mar 2013, at 10:00, Gordon JC Pearce <gordonjcp at gjcp.net> wrote:

> On 08/03/13 16:13, Tom Wiltshire wrote:
>> That's a damn interesting gizmo. Does anyone have any idea how it  
>> works?
>>
>
> Someone on the SQ80 mailing list - where we were discussing time- 
> based effects the other day, as it happens - mentioned a pitch  
> shifter that modulated the delay clock with a sawtooth.  I can see  
> how that would give a steady-ish pitch shift but surely it would  
> "hiccup" as the saw reset?
>
> -- 
> Gordonjcp MM0YEQ
>
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy



More information about the Synth-diy mailing list