JPS6298001U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the video signal and digital audio signal sharing recording and reproducing apparatus of the present invention, FIG. 2 is a block diagram showing an example of the schematic configuration of a conventional 8 mm VTR, and FIG. 3 FIG. 4 is a schematic diagram showing the head arrangement and track pattern of a conventional 8 mm VTR, and FIG. 5 is a schematic diagram showing the track pattern of a previously proposed recording device. 3 is a video signal processing circuit, 4 is an audio signal digital processing circuit, 8 is a PLL circuit, and 36 is a reference oscillator (
voltage controlled crystal oscillator).

Claims (1)

[Scope of claims for utility model registration] The first device for recording video signals and digital audio signals
a second recording mode for recording only digital audio signals, and first and second playback modes corresponding to both of the above recording modes; In the recording and reproducing apparatus, in the first recording mode, a reference oscillator for obtaining a reference clock for processing the digital audio signal is phase-synchronized with the color subcarrier of the video signal, and in the second recording mode and 1st and 2nd above
A shared recording and reproducing device for video signals and digital audio signals, which is configured to cause the reference oscillator to freely oscillate in the reproducing mode.