[sdiy] Mixing between two audio-sources..

[Kyle Stephens]

There's Don Tillman's Interpolating Scanner too, which depending on your needs may have some ups over the SSM-based circuit (which he mentions on the page).

http://www.till.com/articles/scanner/index.html


_Kyle

--- On Sat, 4/18/09, Scott Nordlund <gsn10 at hotmail.com> wrote:

> From: Scott Nordlund <gsn10 at hotmail.com>
> Subject: RE: [sdiy] Mixing between two audio-sources..
> To: synth-diy at dropmix.xs4all.nl
> Date: Saturday, April 18, 2009, 4:48 PM
> 
> Crossfading uncorrelated signals should be done
> exponentially to have equal power over the whole range (like
> a dual ganged log/antilog potentiometer), which the circuit
> in the SSM datasheet seems to do. From your description, you
> seem to want a linear crossfade (though I'm not sure which
> is really best for a wet/dry control- I suppose it would
> depend on the effect).  I'd guess the easiest thing to
> do is just invert and offset the CV for one of the VCAs,
> carefully adjusting the offset so that it works over the
> desired range.
> 
> ----------------------------------------
> > Date: Sat, 18 Apr 2009 21:44:12 +0200
> > From: np at planetarc.de
> > To: synth-diy at dropmix.xs4all.nl
> > Subject: [sdiy] Mixing between two audio-sources..
> >
> > Hi guys..
> >
> > I'm looking for a way to mix two different audio
> signals. In the end
> > it's going to be a voltage controlled dry/wet
> > control for an effect loop.
> >
> > The SSM2024 datasheet has something like that.
> However, I'm a bit unsure
> > if this circuit isn't oversimplified. I'd like to have
> equal volume over
> > the whole sweep-range for the cases where the two
> audio signals are
> > identical.
> >
> > Any idea how to do this?
> >
> > Cheers,
> > Nils
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at dropmix.xs4all.nl
> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> 
> _________________________________________________________________
> Rediscover Hotmail®: Now available on your iPhone or
> BlackBerry
> http://windowslive.com/RediscoverHotmail?ocid=TXT_TAGLM_WL_HM_Rediscover_Mobile2_042009
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>