main feature
HDMI supports data transfer rates of 5Gbps, can transmit as far as 30 meters, sufficient to meet a 1080p video and an 8-channel audio signals. And because the audio signal needs a 1080p video and an 8-channel less than 4GB / s, and therefore there is a great margin HDMI. This allows it to use a cable connected DVD player, receiver and PRR. In addition HDMI support EDID, DDC2B, therefore HDMI device has with the "plug and play" feature will automatically "consultations" between the signal source and display devices, automatically select the most appropriate video / audio formats.
HDMI's English name is "High Definition Multimedia Interface", in Chinese means High Definition Multimedia Interface. HDMI interface can provide up to 5Gbps data transmission bandwidth, can send uncompressed audio signal and high-resolution video signal. At the same time without the signal before transmission / analog or analog / digital conversion, we can guarantee the highest quality audio and video signal transmission. HDMI benefit applications are: just one HDMI cable, you can transmit audio and video signals simultaneously, unlike now need many wires to connect; at the same time, since the wireless digital / analog or analog / digital converter, can achieve higher audio and video transmission quality. For consumers, HDMI technology not only provides a clear picture, but also due to the audio / video using the same cable, greatly simplifying the installation of a home theater system.
Currently HDMI has launched version 1.4 with new features, including HDMI Ethernet Channel, Audio Return Channel, HDMI 3D function, 4K x 2K video support, more color space, mini-HDMI connector, Automotive Connection System.