[sdiy] Old analog synths chladni patterns!

[Fernando de Izuzquiza]

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?