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bitstream method for mcu play or record sound

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sakiralp

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I don't know if this project was posted before but if not here is all you need

A system to record and/or play sound in a
bitstream format using just one digital output pin.

This is a sound playback system for a PIC or any other
microcontroller. It uses a clever encoding system to
mathematically model the actual performance of the RC filter


Very interesting project for pic or any other mcu's

http://centauri.ezy.net.au/~fastvid/picsound.htm

and a pc sound recorder can be used for this project

What is Acoustica?
Acoustica is a powerful audio editor for Windows 9x/NT. The easy to use and fast program makes audio editing as comfortable as never before. The long list of features includes,
Noise reduction
Time stretching
Loads of realtime effects
Non destructive editing with the playlist


http://www.aconas.de/software/acous225us.exe
 

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