[sdiy] "trigger to gate" or even better; pulse-to-CV

[Richard Arntzen]

Hmm - it's two insulated flexible metal pieces (differently charged I guess)
that emits a pulse when the distance between them change - a capacitor-like
thingie. The zero (relaxed) state voltage also changes when I put them in my
mouth (note to self: put fuse on power input)

Richard

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl 
> [mailto:owner-synth-diy at dropmix.xs4all.nl] On Behalf Of Harry 
> Bissell Jr
> Sent: Tuesday, April 12, 2005 00:13
> To: Richard Arntzen; synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] "trigger to gate" or even better; pulse-to-CV
> 
> 
> If the signal is made by a piezo bender, you can
> integrate the output and it would give a signal
> propoetional to the bending (and unbending)... BUT
> you'd need to reset that integrator every now and then
> because it will drift
> 
> H^) harry
> 
> 
> --- Richard Arntzen <richarnt at frisurf.no> wrote:
> > Hi.
> > 
> > Getting closer to converting my EWI into a CV
> > controller - now the last
> > wished feature:
> > 
> > A bite controller (mouthpiece of Akai EWI) gives a
> > positive pulse when I
> > clench my teeth and a negative pulse when I open
> > them again. Now I'd love
> > for it to give a DC signal that increases when I
> > clench and decreases when I
> > open...but how..? Clever set-up of S/H's? I have
> > seen some gate-to-triggers
> > and even a scan of a scribble that supposedly was a 
> trigger-to-gate, 
> > but it wasn't easy to figure out up and down...
> > 
> > Anyone with ideas?
> > 
> > Regards
> > 
> > Richard
> > 
> > 
> > 
> 
>