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本文意在补充说明消隐信号的新功能,即在消隐信号的适当位置上,为了各种不同目的可以插入有用信号,扩大电视广播的使用范围。文章从分析消隐信号的时域出发,说明它实施新功能的可能性。然后以国内外的实践证实这种新功能的实施。最后归纳出消隐信号的完备功能。
This article is intended to supplement the new feature of indicating blanking signals by inserting useful signals for a variety of purposes in the proper location of the blanking signal to broaden the use of television broadcasting. The article starts from analyzing the time domain of the blanking signal and shows the possibility of implementing the new function. Then the practice of this new function is confirmed by the practice at home and abroad. Finally, the complete function of blanking signal is summarized.