Reproducing method, reproducing apparatus, recording method,...

Details Reproducing method, reproducing apparatus, recording method,... Reproducing method, reproducing apparatus, recording method,...

G - Physics

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G11B 20/10 (2006.01) G11B 13/04 (2006.01) G11B 19/12 (2006.01) G11B 20/00 (2006.01) G11B 20/12 (2006.01) G11B 23/18 (2006.01) G11B 27/034 (2006.01) G11B 27/10 (2006.01) G11B 27/19 (2006.01) G11B 27/24 (2006.01) G11B 27/30 (2006.01) G11B 27/34 (2006.01) G11B 27/36 (2006.01)

Patent

CA 2423491

A reproducing method, reproducing apparatus, recording method and recording apparatus provide read/record data in an efficient way to a storage medium. The reproducing method includes the steps of selecting one of a plurality of tracks described in a play order table designating an order of reproduction of the tracks; reading track information corresponding to the selected track from a track information table which includes a coding system and a decryption key corresponding to each track, and a plurality of items of track information each of which has pointer information pointing to one of a plurality of items of part information within a part information tablet reading the part information corresponding to the pointer information within the read track information, each of the plurality of items of part information having part pointer information pointing to part of a single audio file; reading that part of the audio file which corresponds to the part pointer information within the read part information; and decrypting the read part of the audio file based on the decryption key and the coding system.

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