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Optical disk with aural signal time base compressed and optical video disk player

阅读:531发布:2022-04-09

专利汇可以提供Optical disk with aural signal time base compressed and optical video disk player专利检索,专利查询,专利分析的服务。并且PURPOSE:To perform frame winding with aural signals of 20-30 second added to every frame, by recording and time base compressing aural signal as the explaining information for the picture of one frame. CONSTITUTION:A pickup signal from an optical disk 1 is divided into an aural stereo signal and video signal through a filter 7, etc. The filtered video signal is led to a 4.5MHz filter circuit 14 through an FM demodulator 8, 4.5MHz trapping circuit 19, etc. When aural signal of one frame to be stored in an analog memory circuit 15 is time base compressed, the output of the filter circuit 14 is read out from a microprocessor 17, held by a sample holding circuit 16, and then, original aural signal is reproduced.,下面是Optical disk with aural signal time base compressed and optical video disk player专利的具体信息内容。

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