[PD] audio to arduino to PD, back to audio
Hans-Christoph Steiner
hans at at.or.at
Tue Nov 29 00:53:51 CET 2011
An analog input on an Arduino is a poor Analog-to-Digital Convertor compared to audio ADCs. Its 10-bit, and not more than 16kHz max (more like 4kHz) sampling rate. Standard digital audio is 16-bit/44.1kHz.
Then, having your Arduino read at 4kHz will require all of the CPU time, so it can't really do much else then.
.hc
On Nov 28, 2011, at 5:09 PM, onyx at onyx-ashanti.com wrote:
> Greetings. I wanted to see if something is possible.
>
> I realized that most of my vocalizations in my system are for the vocoder. I am trying not to add too much to the hardware configuration of my system so i have been entertaining the idea of using an electret microphone amplified to send its signal to an analog pin on my arduino then transmit that into pure data. I would like to have the frequencies register as voltages. i do not know if this is possible. I dont know much about the mechanics of how this process would work but i theorize that i should be able to create a means of converting the PWM signal from the arduino, back to something audio-ish, in PD. any insight would be much appreciated.
>
> Onyx
>
> --
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