Hi sirvo,
I have not got anything working yet using romans btc sound encoder. I have been trying gioppy's code example with no luck. Not sure if i've got the hex dump right or my calculations. A one seconds worth of hex code wont fit on a 512 eeprom. Its getting to the point where I might offer a payment to someone on the forum to write this bit of code for me or take me through the steps required to get it working. Adding good audio to my project is becoming very hard work.

If I do get something working i'll let you know, I do have some ISD control code if you want it.
regards Nick