JP2003263836A5 - - Google Patents

Claims (2)

A step of A / D converting analog audio signals of one or more original music pieces and a bonus music piece for selective reproduction separately from the original music pieces to generate a digital data sequence; ,
In the recording area of the disk,
The original music of the one or more, Bo for the the original music to be reproduced separately selectively - the Deiomanejiya (AMG), - the eggplant music, Oh manage
A first audio title, which is a component of the one or more original music pieces, and includes a plurality of audio objects (AOB) including an audio cell (ATS-C). Title and
In the case where the bonus music is provided, a plurality of audio objects including the audio cell (ATS-C) which is a second audio title which is a component of the bonus music. A second audio title consisting of (AOB);
Yu during reproduction - in the case of data identical to the ball - - The said ball - de supplied to access the eggplant music - De is compared with the data - thickness This supplied de of the other eggplant music And interactive data used as data indicating that the bonus music is not present, and
Still Pict Yakset (SPS),
The first audio object ( AOB ) is composed of only the first pack having the audio data as actual data, and the first pack ( AOB ). And a second audio object ( AOB ) constituted by a second pack having real-time information data relating to the audio data as actual data,
Further, the still picture cassette ( SPS ) has a third pack containing still picture data relating to the audio data,
An audio title set information (ATSI) including control information (ATS-C-PBIT) for the plurality of audio cells (ATS-C) to be played back in the playback order;
The audio title set information ( ATSI ) is an audio cell in which the audio cell (ATS-C) is composed of only audio data, or the audio data and the real-time information. It has identification data (ATS-C-TY) for identifying at least whether it is an audio cell consisting of Chillon and a page of the still picture data in the still picture set ( SPS ) . It has still picture control information (SPCIT) to control,
A step of formatting and recording the data structure;
An encoding method comprising: An apparatus for reproducing a signal recorded by the encoding method according to claim 1,
Playback means for unconditionally playing the audio data of the original music;
Reproduction permission means for permitting reproduction of the audio data of the bonus music when interactive data for accessing the bonus music is supplied;
Still picture control for controlling the page of identification data (ATS-C-TY) and still picture data of the audio cell (ATS-C) from the recorded audio title set information ( ATSI ). First decoding means for decoding information (SPCIT);
A second decoding means for decoding an audio cell from the recorded audio object ( AOB ) ;
Third decoding means for decoding still picture data from a third pack located in the recorded still picture set (SPS);
Identification data (ATS-C-TY) and still picture control information (SPCIT) of at least the audio cell (ATS-C) taken out from the first decoding means at the time of reproduction of the audio data And at least the audio data extracted by the second decoding means and the output of the still picture data extracted by the third decoding means by page control. And
Having a playback device.