发明名称 Method and apparatus for control of auxiliary video information display
摘要 A video signal receiver is operative to control display of video information. Particularly, a video signal receiver is operative to provide controlled display of video information pertaining to a television program signal in response to a parameter of the television program signal. More particularly, a television signal receiver is operative to provide controlled display of auxiliary video information of a television program signal in response to a parameter of an audio signal portion of the television program signal. In one form, a television signal receiver is operative to control display of video program information with regard to a television program signal in response to a parameter level of a parameter of an audio program portion of the television program signal. The television signal receiver includes reference level setter, a signal comparator, and a video signal modifier. The reference level setter is operative to set a reference level. The signal comparator is operative to compare a signal level of an audio program portion of a television signal to the reference level. The video signal modifier is operative to modify a video signal representing a video program portion of the television signal in response to the audio program portion comparison. <IMAGE>
申请公布号 EP1251693(A3) 申请公布日期 2004.03.17
申请号 EP20020008057 申请日期 2002.04.11
申请人 THOMSON LICENSING S.A. 发明人 HAWKINS, BRET, DAVID
分类号 H04N7/08;H04N5/445;H04N5/60;H04N7/025;H04N7/03;H04N7/035;H04N21/488 主分类号 H04N7/08
代理机构 代理人
主权项
地址