HDMI hd interface is the most mainstream, full name "high{{0}}definition multimedia interface, can support video and audio, if your monitor with sound and can realize audio transmission, such as LCD TV and partial support stereo display can, characteristic is to support high resolution, small interface, support the uncompressed audio streaming, rich in agreement. The first version 1.0 was released in December 2002, and the bandwidth was increased to 10.2Gbps by version 1.3/1.4.
The current mainstream HDMI 1.4 theory supports 1080P 144Hz, 2K 75Hz, 3840 x 2160/30Hz, 4096 x 2160/24Hz.
HDMI2.0 bandwidth up to 18Gbps, 1080P 240Hz, 2K 144Hz, 4K 60Hz, 5K 30Hz.
The latest HDMI2.1 can support 2K 240hz, 4K 144hz, 5K 60hz, 8K 30hz.
