发明名称 |
Tone-controlled video muting |
摘要 |
The present invention is a method and apparatus to control muting a video output. A tone detector detects a first tone in a control tone signal generated by a video player during playing a video program from a master medium. The control tone signal is recorded on the master medium. The video player provides a video signal corresponding to the video program. A mute controller mutes a video output representing the video signal when the first tone is detected. The video output is recorded on a duplication medium in a video recorder.
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申请公布号 |
US6775462(B1) |
申请公布日期 |
2004.08.10 |
申请号 |
US20000570080 |
申请日期 |
2000.05.12 |
申请人 |
SONY CORPORATION;SONY TRANS COM INC. |
发明人 |
WANG YUTI;GUTIERREZ ROME;BROWN DOUGLAS C. |
分类号 |
G11B27/032;H04N5/765;(IPC1-7):H04N5/93 |
主分类号 |
G11B27/032 |
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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