A system for interception and separation of portions of a television signal

摘要

Broad subject-matter of this invention is a system for interception and separation of portions of a television signal aimed at automatic recognition of television transmissions, in particular publicity advertisements, comprising a section for separating or locating the transmissions, as section for acknowledging or recognizing the individual transmission, a section for storing the audio and video parameters of said transmissions and a man-machine interface section. Specific subject-matter of this invention is a separator apparatus comprising the following essential components: a) a base band video signal processing block; b) an audio signal processing block; c) a control and analysis unit; d) and interface section in respect of the video cassette recorder (VCR) and of the parameter extraction section of the acknowledgement apparatus.