With the requirement of the hd video transmission requirements now V1.0 to V1.4 HDMI agreement (support 3 GBPS of transport), behind HDMI2.0 (4 k 2 k) video transmission HDMI2.1 (8 k and 4 k video transmission), panasonic KM864807 (V2.1) KM86473D (V2.0) video matrix switch chip,

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