[LAU] Controllers and stuff for live performance

[Carlos Sanchiavedraz]

2009/10/13 david <gnome at hawaii.rr.com>

> Carlos Sanchiavedraz wrote:
> >
> >
> > 2009/10/12 david <gnome at hawaii.rr.com <mailto:gnome at hawaii.rr.com>>
> >
> >     Carlos Sanchiavedraz wrote:
> >
> >         Hi David,
> >
> >         2009/10/12 david <gnome at hawaii.rr.com
> >         <mailto:gnome at hawaii.rr.com> <mailto:gnome at hawaii.rr.com
> >         <mailto:gnome at hawaii.rr.com>>>
> >
> >
> >            nescivi wrote:
> >             > On Sunday 11 October 2009 13:36:55 Carlos Sanchiavedraz
> wrote:
> >             >> Hi dear folks.
> >             >>
> >
> >         [...]
> >
> >
> >            I had a thought re keyboards (particularly the keys
> >         themselves). Why
> >            can't the surface of a key be a touchpad-like surface
> >         sensitive to
> >            pressure and even movement? So, for example, you could play a
> >         violin
> >            note, hold it, and use finger pressure and movement on the
> >         key surface
> >            itself to do vibrato the way a violinist would? That would go
> >         a long
> >            ways toward bringing human expressiveness back into playing
> >         the sounds
> >            of such expressive instruments as strings and woodwinds.
> >
> >
> >         Yes, that would be great. But AFAIK the circuit inside keyboards
> >         just cares about keypresses; nothing about pressure or velocity,
> >         although maybe something could be hacked given the present
> >         keyswitches, electrical contacts (or I think capacitors on old
> >         ones), scan codes and other stuff.
> >         Do you know any work about that?
> >
> >
> >     Sorry, I should have mentioned that I was talking about musical
> >     keyboards, not computer keyboards ... although I suppose you that if
> >     you ganged some Trackpoints (IBM's little eraser pointer tool)
> >     together, you could get take advantage of the Trackpoint's
> >     directional abilities.
> >
> >     It was just an idea that I think would be great. Don't know if
> >     anyone is working on anything even remotely like it...
> >
> >
> > Ok :).
> >
> > Then, I'm not sure, but I think what you refer is called "aftertouch":
> > http://www.google.com/search?q=aftertouch+keyboard
>
> Hmmm, hadn't run into that. I read the Wikipedia article about it. The
> three forms of aftertouch they mention don't seem to include my idea of
> directional movement while holding the key down.
>
> But an array of Trackpoints might be interesting as a control input, too.
>
>
So you say something like to achieve little variations of notes ("vibrato"
alike) depending on the key/finger movement, isn't it? I think there is
something like that in really expensive keyboards/controllers, but not sure.


-- 
Carlos "sanchiavedraz"
* Musix GNU+Linux
 http://www.musix.es
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