Patent ID: 6222983
Filing Date: 2001-04-24
Classification: G11B,H04N

Abstract:
A method for playing a DVD-Audio disk, wherein the DVD-Audio disk includes a data zone to store data to be reproduced by the apparatus and an information zone to store information on said data to be reproduced, said information zone includes directories of a video title set (VIDEOTS) and an audio title set (AUDIOTS), wherein said AUDIOTS directory includes information on an audio manager (AMG) having information on audio titles, wherein said data zone includes said audio titles each having audio title set information (ATSI) followed by a plurality of contiguous audio objects (AOBs), said ATSI includes a plurality of audio stream attributes each having an audio coding mode, a first, second or third quantization bit number corresponding to the data to be reproduced, a first, second, third, fourth, fifth or sixth sampling frequency corresponding to the data to be reproduced, and decoding algorithm information relating to a number of audio channels of the data to be reproduced, and each of said AOBs includes a plurality of audio packs recorded with audio data corresponding to the decoding algorithm stored in the audio stream attribute, said method comprising the steps of:locating the AMG when the AUDIOTS directory includes effective data;checking out other information of said DVD-Audio disk from the information of the AMG;reading position data of one of said audio titles selected according to position information of the AMG upon receiving a command for reproducing said one of said audio titles; andsetting an audio decoder to carry out an algorithm for reproducing said one of said audio titles by reading the audio stream attribute of the corresponding ATSI-MAT.