The players concerned are 101 disc Pioneer units. It's for a audio CD jukebox system. Another Piclister is currently helping me with the firmware. BTW, I gather your IDE CDROM is stand-alone? (not in a PC) Hmmm... I just got a idea for another product! Robert Boardman wrote: >Why us a cd-player am working on similar project but using cdrom ide to play >disc's >just got the thing playing disc are you interested? >----- Original Message ----- >From: David Duffy >To: >Sent: Monday, March 20, 2000 08:06 >Subject: Pioneer/Sony CD serial data > > > > Hi everyone, > > I was wondering if anyone had ever tried to decode the internal > > serial data streams in either Sony or Pioneer CD players? > > Either the subcode (?) from the EFM decoder of maybe the one > > from the SYSCON unit. What I want to do is determine the track > > number that is currently playing & player status. It should be do- > > able with a PIC but I'm not sure of the best way to start. There is > > a clock & data line from the SYSCON to the SERVO chip which > > has activity on it most of the time. > > Regards...