THE DECODING METHOD OF AUDIO SIGNAL AND RECORDING MEDIUM FOR AUDIO PLAYBACK

摘要

PROBLEM TO BE SOLVED: To make the convenience for a user and protection of copyright compatible when copying digital signals. SOLUTION: A high quality digital signal A/D converted into 24 bits is D/A-converted by a D/A converter 45 and its analog signal is outputted through an output terminal 55. Copyright data about the data of the high quality digital signal are added to the high quality digital signal and outputted through a digital output terminal 90. COPYRIGHT: (C)2004,JPO