HARDWARE

PLAYER/DECODER

• USP 6,222,805
  AUDIO SELECTION(ASL)

RECORDER/ENCODER

• USP 6,078,727
  TIME MAP INFORMATION
• USP 6,128,260
  OPTICAL DISC HAVING AN ACTUAL RECORDING FIELD AND A GAP FIELD
• USP 6,172,961
  OPTICAL DISC DEVICE DETECTING A TRACK CHANGE

DISC

READ-ONLY DISC

• USP 6,222,805
  PGC BLOCK FOR AUDIO SELECTION(ASL)

RECORDABLE DISC

• USP 6,172,961
  OPTICAL DISC DEVICE DETECTING A TRACK CHANGE
• USP 6,493,504
  Recording medium having audio type informationfor each still picture
• USP 6,128,260
  OPTICAL DISC HAVING AN ACTUAL RECORDING FIELD AND A GAP FIELD