发明名称 |
Television viewership monitoring system employing audio channel and synchronization information |
摘要 |
The present invention provides an system, apparatus, and method of recording a viewer's television viewership habits. Sensors passively monitor the audio signal and video signal emanating from the television. By matching the audio signal in the source and emanating from the television and by matching television frame synchronization signal and the television source synchronization signal an unambiguous identification of the viewed channel is made.
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申请公布号 |
US6112053(A) |
申请公布日期 |
2000.08.29 |
申请号 |
US19970892033 |
申请日期 |
1997.07.14 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
DUNKI-JACOBS, ROBERT JOHN;HOPPLE, MICHAEL ROBERT |
分类号 |
H04H60/31;H04H60/43;H04H60/56;(IPC1-7):H04H1/00;H04N7/10 |
主分类号 |
H04H60/31 |
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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