[sdiy] Old analog synths chladni patterns!

[Fernando de Izuzquiza]

Or maybe a speaker under a not-too-thick glass table.

I know some people that used it for improvisation feedback (they  
played looking at the patterns)

Maybe a flexible plastic sheet with the right tension...



El 09/05/2007, a las 12:09, Fernando de Izuzquiza escribió:

> I guess that a speaker under a tom-tom drum would do the trick
>
>
> El 09/05/2007, a las 0:16, Ian Fritz escribió:
>
>> At 04:02 PM 5/8/2007, karl dalen wrote:
>>> To be able to distinguish the genuinety of hand built analog synths
>>> the use of a pattern recognition system must be used like the:
>>>
>>> http://www.phys.unsw.edu.au/jw/chladni.html
>>>
>>> However just pouring some sand on top of the synth wont do! :-)
>>>
>>> However it could be used to visualizing filter resonance patterns.
>>
>> How?  Where's the surface?