| 发明名称 |
METHOD AND APPARATUS FOR TRANSCODING A DIGITALLY COMPRESSED HIGH DEFINITION TELEVISION BITSTREAM TO A STANDARD DEFINITION TELEVISION BITSTREAM |
| 摘要 |
<p>A method and apparatus for transcoding macroblocks of a high definition television signal to co-sited macroblocks of a standard definition television signal wherein SD macroblocks are derived directly from co-sited HD macroblocks, i.e. without having to compute the SD macroblock information from its corresponding SD image sequence.</p> |
| 申请公布号 |
EP0683957(B1) |
申请公布日期 |
1999.05.06 |
| 申请号 |
EP19950900902 |
申请日期 |
1994.12.06 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;PHILIPS NORDEN AB |
发明人 |
CHALLAPALI, KIRAN;MAO, WEIDONG |
| 分类号 |
H04N7/01;H04N7/26;(IPC1-7):H04N7/01 |
主分类号 |
H04N7/01 |
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