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TIME-COMPRESSED CHROMINANCE SIGNAL RECORDING SYSTEM

机译:时间压缩色度信号记录系统

摘要

In a magnetic reproducing apparatus for reproducing a luminance signal and timebase-compressed chrominance component signals recorded on separate tracks of a record medium, the reproduced chrominance component signals are directly supplied to a timebase expander and this timebase expander uses a reference clock which reference clock is employed in the timebase correction of the luminance signal and frequency-divided by the timebase compression ratio whereby to perform the timebase expansion and the timebase correction at the same time. Thus, it is not necessary that the timebase correction and the timebase expansion are performed by separate circuits and this leads to a simple circuit arrangement.
机译:在用于再现亮度信号和记录在记录介质的不同轨道上的时基压缩的色度分量信号的磁再现设备中,再现的色度分量信号被直接提供给时基扩展器,并且该时基扩展器使用参考时钟,该参考时钟是在亮度信号的时基校正中使用时基并被时基压缩比分频,从而同时执行时基扩展和时基校正。因此,不必通过单独的电路来进行时基校正和时基扩展,这导致简单的电路布置。

著录项

  • 公开/公告号AU1634683A

    专利类型

  • 公开/公告日1984-01-05

    原文格式PDF

  • 申请/专利权人 SONY CORPORATION;

    申请/专利号AU19830016346

  • 发明设计人 NAME NOT GIVEN;

    申请日1983-06-28

  • 分类号H04N9/493;

  • 国家 AU

  • 入库时间 2022-08-22 09:03:18

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