TELEVISION PROGRAM TRANSMISSION VERIFICATION METHOD AND APPARATUS.
    14.
    发明公开
    TELEVISION PROGRAM TRANSMISSION VERIFICATION METHOD AND APPARATUS. 失效
    方法和设备测试电视节目传输。

    公开(公告)号:EP0222772A4

    公开(公告)日:1987-09-08

    申请号:EP85905354

    申请日:1985-10-14

    CPC分类号: H04H20/14 H04H20/31 H04H60/44

    摘要: A method and apparatus for verifying the proper airing of television programs having a digital identification code recorded on a preselected scan line which is not normally visible to the television viewer. A plurality of television channels are automatically simultaneously monitored by a primary monitoring system (50, 70, 52, 56, 58) at a site (30) within the reception area and broadcast encoded programs are identified and timed and appraised as to their audio and video signal quality. The information generated is stored locally for later comparison with centrally stored (62) information specifying the programs that should have been aired. Each of the channels is sequentially monitored for a preselected fixed time interval, which depends on the number of channels being monitored, under the control of a programmable sequential controller (54). A secondary monitoring system (50A, 70A, 52A, 56A, 58A) is provided for use as a backup or for monitoring cable channels. A recorder (74) responsive to a code recorded in the program signal, is provided for locally recording the final portion of the program.