[PD] Data in audio / modem

cyrille henry ch at chnry.net
Sat Aug 19 23:03:08 CEST 2017


Le 19/08/2017 à 11:05, Max a écrit :
> Hi list,
> If I'd would want to encode (sensor) data in an audio signal, how would I go about that? 

if the sensor output analog value, i'll just use 2 AOP : 1st one to create saw waveform and the 2nd one as a comparator to create a PWM rectangle wave.

in pd side, you can use >~ 0 and a lop~.

if you want somthing more reactive, you can encode the sensor valuee in a frequency (using a VCO)


Like a modem sort of.
> A volume independent solution that's easy on the processor.
> m.
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