发明名称 |
Reproducing method, reproducing apparatus, and data accessing method |
摘要 |
A data accessing method includes the steps of obtaining a track information entry about a predetermined track from a play order table having a plurality of track information entries, the track information entry pointing to a track descriptor in a track information table; obtaining the track descriptor from the track information table, the track descriptor including a decryption key corresponding to the predetermined track, pointer information that points to a part descriptor of a plurality of part descriptors in a part information table, and name pointer information that points to a name slot entry in a name table having a plurality of name slot entries; reading the name slot entry that corresponds to the name pointer information in the track descriptor; reading the part descriptor that corresponds to the pointer information in the track descriptor; and reading a part of an audio file according to part pointer information in the part descriptor, the part pointer information pointing to at least a part of a file. <IMAGE>
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申请公布号 |
EP1355310(A2) |
申请公布日期 |
2003.10.22 |
申请号 |
EP20030006834 |
申请日期 |
2003.03.27 |
申请人 |
SONY CORPORATION |
发明人 |
OHBI, SEIJI;KAWAKAMI, TAKASHI;KII, MANABU;HATTORI, MASATO |
分类号 |
G11B20/00;G11B20/10;G11B20/12;(IPC1-7):G11B20/10 |
主分类号 |
G11B20/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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