A DVD-Audio which includes a data zone for storing data to be reproduced
and an information zone for storing information on the data to be
reproduced. The information zone includes directories of a video title
set (VIDEO_TS) and an audio title set (AUDIO_TS). The AUDIO_TS directory
includes information on an audio manager (AMG) having information on
audio titles. The data zone includes the audio titles each having an
audio title set information (ATSI) followed by a plurality of contiguous
audio objects (AOBs). The ATSI includes a plurality of audio stream
attributes each having an audio coding mode, first to third quantization
bit numbers, first to third sampling frequencies and decoding algorithm
information relating to the number of audio channels. Each of the AOBs
includes a plurality of audio packs recorded with audio data
corresponding to the decoding algorithm stored in the audio stream
attribute.