发明名称 AUDIO DELAY DETECTOR
摘要 A system for the measurement of delay between a video signal and an audio signal includes a tone-burst generator (9) which marks an audio signal (3). The mark is then used as a reference which is detected at both signals' destination (15) and the timing delay between the signals is displayed (19) and may be corrected (17,18).
申请公布号 CA2042656(C) 申请公布日期 1995.10.24
申请号 CA19912042656 申请日期 1991.05.15
申请人 THAMES TELEVISION PLC 发明人 EMMETT, JOHN ROBERT
分类号 H04N7/04;(IPC1-7):H04N5/04 主分类号 H04N7/04
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