| 摘要 |
PURPOSE:To optionally select plural video signals and other plural audio signals, and output them by combining them. CONSTITUTION:The video signal SVC of a demodulated CATV.RF signal SCT and a stereophonic (R, L) audio signal SAC are supplied from a tuner part 2 to a video signal switching part 4 and an audio signal switching part 5. Simultaneously, two input video signals SVa, SVb are supplied from an external device to the video signal switching part 4, and besides, two stereophonic input audio signals SAa, SAb are supplied from the external device to the audio signal switching part 5. These three video signals SVa, SVb, SVc and three audio signals SAs, SAb, SAc are outputted as the output video signal SVo and the output audio signal SAo of combinations selected optionally by a switching signal Cc from a remote controller through a control part 3.
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