| 摘要 |
An apparatus is disclosed for generating a television signal including a discrete electronic audio signal in synchronization with a discrete electronic video signal. A magnetic audio tape having a first track of digital information and a second track of audio information, the tracks being in synchronization, is played on an audio tape deck. The first track of digital information is converted into a corresponding digital electronic signal and the second track of information is simultaneously converted into the discrete electronic audio output of the television signal. A video character generator receives at its input the digital electronic signal from the first track and converts the digital electronic signal into the discrete video signal of the television signal. A frequency shift keying line amplifier is connected between the audio tape deck and the input of the video character generator for amplification of the frequency of the digital electronic signal into a range which is compatible with the video character generator. A sync-color generator may be connected to the video character generator for controlling the color of a corresponding video output of the discrete video signal. Various monitoring means are disclosed which monitor the interrelated components. Also disclosed is a method of generating a television signal and a method of prerecording a multichannel magnetic tape for use in the system.
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