发明名称 |
METHOD AND DEVICE FOR GENERATING AN ENCODED USEFUL DATA STREAM AND METHOD AND DEVICE FOR PLAYING BACK AN ENCODED USER DATA STREAM |
摘要 |
The invention relates to a method for generating an encoded multimedia data stream, according to which first a start block (12) and then a user data block (14) are generated. The initial segment (20) of the user data block (20) contains unencoded user data which are followed by encoded user data (16). In this way a preview or prelist function can be implemented in a simple manner. In addition, a playback device can already play back the unencoded initial section (20) while the complete start block is being processed so as to obtain a multimedia data key for generating hash totals, etc. The above parallel processing makes it possible to use playback devices with limited storage and processing resources without having to accept excessively long delays. |
申请公布号 |
WO0049762(A2) |
申请公布日期 |
2000.08.24 |
申请号 |
WO1999EP09977 |
申请日期 |
1999.12.15 |
申请人 |
FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.;RUMP, NIELS;KOLLER, JUERGEN;BRANDENBURG, KARLHEINZ |
发明人 |
RUMP, NIELS;KOLLER, JUERGEN;BRANDENBURG, KARLHEINZ |
分类号 |
G06F1/00;G06F21/10;G11B20/00;H04N5/913;H04N7/167 |
主分类号 |
G06F1/00 |
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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