MIDI-guitar (was: Touch Switches/TS instruments )

[matti at devo.com]

Why bother with resistive wire at all? Why not just put a different set of 
oscillators at the end of each string, and a differently-valued resistor per 
string to differentiate between those strings. Normal guitar wire should work 
fine for that.


Quoting Theo <t.hogers at home.nl>:

> 
> ----- Original Message -----
> From: Ingo Debus <debus at cityweb.de>
> To: <synth-diy at node12b53.a2000.nl>
> Sent: Thursday, May 18, 2000 10:56 AM
> Subject: Re: MIDI-guitar (was: Touch Switches/TS instruments )
> 
> 
> >
> >
> > Theo wrote:
> > >
> > > Tought about that too.
> > > Srtings have to handel a lot of tention and are subject to
> mechanical
> wear.
> > > All in all resistive wire strings seems not so easy.
> >
> > I didn't mean to tune the wires to accurate guitar string pitch. But
> > yes, strings have to be replaced from time to time ;-)
> >
> > > Maybe resistive frets could be a possibility.
> > > Some one knows about a hard reststive material?
> >
> > How should that work? If you ground all the strings and sense the
> > resistance between fret end and ground, you can't tell if one or more
> > strings are in touch with a fret. Even if you scan the strings, i.e.
> > ground only one string at a time it still seems difficult.
> 
> The same way as cut frets, six wires to the fret, one pro string.
> Need a material with a high resistance prob somthing like 100k/cm.
> The advantages would be; there are no gaps in the fret, you can sence
> bent
> notes and easier mounting.
> The big cons are obviously the price and extra implementation problems
> (software).
> 
> More a thought experiment than a practical solution realy, although it
> might
> work if you can make the frets.
> 
> Cheers Theo
> 
> >
> > Ingo
> >
>