专利名称：Commercial detector发明人：PETER VOGEL申请号：AU4032701申请日：20010307公开号：AU4032701A公开日：20010917
摘要：The invention detects commercials interrupting television programs bycomparing signals in a comparator (16) received from multiple regions (1, 6, 11) of anetwork. If one or more of the received signals differs from the other received signals bymore than a preset amount, generating a signal via output (17) indicating the presence ofa commercial. Because different commercials are inserted in different regions of anetwork, the signals are generally very similar during program transmission and verydifferent during commercial transmission.
申请人：RIGHT HEMISPHERE PTY. LTD.
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