HDMI digital signal, which can transmit video and audio at the same time, is specially connected to HDTV.
Generally speaking, the transmission effect of HDMI is better than VGA, so it is recommended to choose HDMI cable; And now HDMI hd line has developed to HDMI2.0/2. 1 version, and it has also been upgraded from copper HDMI cable to HDMI optical cable, with longer transmission distance, higher definition and smoother.
Can be applied to the connection between computer and TV. The computer and the TV are connected through HDMI cable, and the contents in the computer are transmitted to the TV through HDMI cable, thus realizing the visual effect of changing the HD 4k small screen into a large screen. It can be applied to TV sets and smart TV set-top boxes, and high-definition signal transmission can be realized only by connecting HDMI cables to TV sets and set-top boxes.