rain / thunder storm sound effect generator circuit diagram wanted

May 02, 2007 4 Replies

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.

Take a look at:

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Take a look at:

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Take a look at:

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