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rain / thunder storm sound effect generator circuit diagram wanted

can anyone help me where to find a circuit diagram for a white noise
generator that can produce a nice gentle sweeping rain sound for use
as a sleep aid?
 
M

MooseFET

Jan 1, 1970
0
can anyone help me where to find a circuit diagram for a white noise
generator that can produce a nice gentle sweeping rain sound for use
as a sleep aid?


There was an article in Pop-Tronics many years back. You can try
googling of "surf synthesizer"" and see if the schematic comes up.

Such things use a varaible filter applied to white noise. Today they
can be made in software. I'd almost bet someone out there has made a
PIC do it.
 
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