[sdiy] "lunetta"/CMOS sound-making equivalents in C Programming???

[Dan Snazelle]

Very, very cool!!


Thanks

Sent from my iPhone

On Mar 23, 2012, at 4:52 PM, Gordon JC Pearc e <gordonjcp at gjcp.net> wrote:

> On 22/03/12 17:21, Olivier Gillet wrote:
>> Keep in mind that by doing this CMOS emulation stuff in code on a
>> micro, you'll have to decide on the time base (sample rate) at which
>> you refresh your variables ; and you'll get nasty aliasing problems
>> unless you work at a very high sample rate.
>> 
> 
> (sent to Olivier instead of the list, originally)
> 
> Some of us *like* aliasing!
> 
> You can emulate "circuit bent" sample playback, by ANDing bit patterns with the address before you read out the sample.  This simulates pulling address pins to ground.
> 
> The result sounds pretty much like this:
> http://www.gjcp.net/~gordonjcp/mp3s/glitchamen.ogg
> 
> Arduino code, pull the whole repo to get the "ROM":
> https://github.com/gordonjcp/gyoza/blob/master/looper/looper.pde
> 
> 
> -- 
> Gordonjcp MM0YEQ
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