> thanks , byt i'm looking for mp3 decoding alghorithm > > i want making mp3 decoder whit PIC microkontroler How many times are you going to ask this? There is no real time mp3 decoding algorithm for the PIC line of microcontrollers because PICs don't have enough processing power or memory. You MAY be able to do it in non real time, I doubt it though. TTYL -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu