The "AS201" is a multi-channel audio decoder LSI with an on-chip sequencer. Compressed sound source data is simultaneously played on up to 16 tracks, enabling audio data output on up to 4 channels.         Built-in new "Axell Audio Decoder" sound compression technology Auto-pan (LR, LCR, LDR, LCRS, LRUD)/auto-fade functions Audio output of 4 Digital/PWM channels each Simultaneous playback of maximum 16 tracks Sequencer for each track         Detailed information : View the catalog from the PDF file.(Japanese only)               You will need Adobe Reader to view PDF files. It can be downloaded by clicking the link on the left.