DEVICE FOR PLAYING BACK MULTIPLE KINDS OF OPTICAL DISC SELECTIVELY

摘要

A METHOD FOR PLAYING BACK MULTIPLE KINDS OF OPTICAL DISCS INCLUDES MAKING A DECISION AS TO WHETHER A PLAYED BACK OPTICAL DISC IS CLASSIFIED INTO A DIGITAL VIDEO DISC (DVD) OR COMPACT DISC (CD) CLASS, DETECTING THE SYNCHRONIZATION PATTERN OF THE IDENTIFIED DISC CLASS, READING A DATA STREAM FROM THE OPTICAL DISC BY CONTROLLING THE VOLTAGE CONTROLLED OSCILLATION AND THE CONSTANT LINEAR SPEED OF THE DISC ACCORDING TO THE IDENTIFIED DISC CLASS, DECODING THE DATA STREAM INTO THE IDENTIFIED DISC CLASS ACCORDING TO THE DETECTED SYNCHRONIZATION PATTERN, AND TRANSFERRING THE DECODED DATA STREAM TO AN AUDIO/VIDEO DECODER (600) OR A ROM DECODER (950).