Patent ID: 6915067

Claim:
An audio data recording method, comprising the steps of: preparing audio data, audio manager information for managing an audio title set including a track, text information (audio character information), audio title set information for accessing the track, and table-of-contents (TOC) information; formatting the audio data, the audio manager information, the audio title set information and the table-of-contents (TOC) information prepared in the preparing step, to arrange the audio data in an audio pack of the track, to arrange the audio manager information in an area of an audio manager, to arrange the audio title set information in an area of an audio title set and to arrange the table-of-contents (TOC) information indicative of a position of the audio data in a table-of-contents (TOC) file, said table-of-contents (TOC) file being independent of said audio title set information, the table-of-contents (TOC) information containing an audio play pointer (SAPP) which has a start address of the audio data in the audio pack and attribute data of the audio pack, and the attribute data containing a mix-down coefficient to mix down the audio data from a multi-channel output to an output of two channels to play back a musical composition containing the audio data at the two channels; transmitting the audio data, the audio manager information, the audio title set information and the table-of-contents (TOC) information formatted in the formatting step and the text information prepared in the preparing step through a transmission medium; receiving the audio data, the audio manager information, the text information, the audio title set information and the table-of-contents (TOC) information transmitted in the transmitting step through the transmission medium; and recording the audio data, the audio manager information, the text information, the audio title set information and the table-of-contents (TOC) information received in the receiving step.