发明名称 |
Reproducing method, reproducing apparatus, recording method, and recording apparatus |
摘要 |
A recording method including searching for at least one of a plurality of free areas on a storage medium, said storage medium including a file that is stored according to a file system; generating a track descriptor; generating a part descriptor; recording data encrypted with an encryption key in at least one free area; connecting the free area where the encrypted data is recorded to an end of the file managed by the file system; recording in the part descriptor the part pointer information that points to the free area where the encrypted data is recorded; recording in the track descriptor a decryption key so as to enable later decryption of the encrypted data, and pointer information that points to the part descriptor; and recording a track number that points to the track descriptor in a play order table having a play order of a plurality of tracks.
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申请公布号 |
US7873162(B2) |
申请公布日期 |
2011.01.18 |
申请号 |
US20070958104 |
申请日期 |
2007.12.17 |
申请人 |
SONY CORPORATION |
发明人 |
OHBI SEIJI;KAWAKAMI TAKASHI;KII MANABU;HATTORI MASATO |
分类号 |
H04N7/167;G11B11/105;G11B19/12;G11B20/00;G11B20/10;G11B20/12;G11B27/034;G11B27/10;G11B27/19;G11B27/24;G11B27/30;G11B27/34;G11B27/36 |
主分类号 |
H04N7/167 |
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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