Roman Black Sound (btc)

[Normnet]

I had not seen this before. I have not played the files from a PIC yet, but it sounds interesting as well. This C code uses a "simplified Adaptive Differential Pulse Code Modulation (ADPCM) algorithm". The files look slightly larger than the Roman Black files, but not by much, comparing to the numbers files sizes.

Source code: http://ww1.microchip.com/downloads/e...otes/an643.zip

See M25P32 PIC Audio.
Options include 16 bit ADPCM compression to 4 bit in Basic.

Sound quality far better than Roman Black's.
The M25P32 may not be as easily found by now as its transfered ownership.

Norm