{HEAD ~ The signals} received by tuners are processed respectively by video processing circuits and fed to a synthesizing circuit by {TAIL ~ way} of compression circuits so that the images of the signals are displayed respectively on left and right side sections of the screen of a display unit 
{ HEAD ~ The signals } received by tuners are processed respectively by video processing circuits and fed to a synthesizing circuit by { TAIL ~ way } of compression circuits so that the images of the signals are displayed respectively on left and right side sections of the screen of a display unit
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