| 发明名称 |
METHOD OF ANALYSING A COMPRESSED SIGNAL FOR THE PRESENCE OR ABSENCE OF INFORMATION CONTENT |
| 摘要 |
Compressed signals contain amplitude data (for example, scale factors in an MPEG frame) which can be examined to enable a decision to be taken on whether the signal contains information or not (e.g. silence in the case of audio or no image in the case of video). |
| 申请公布号 |
EP1377962(A1) |
申请公布日期 |
2004.01.07 |
| 申请号 |
EP20020700419 |
申请日期 |
2002.02.08 |
| 申请人 |
RADIOSCAPE LIMITED |
发明人 |
FERRIS, GAVIN, ROBERT;WOODWARD, MICHAEL, VINCENT |
| 分类号 |
G10L11/02;(IPC1-7):G10L11/02;H04N7/24 |
主分类号 |
G10L11/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
