What is the hdmi terminal block?HDMI in English stands for "High Definition Multimedia" in Chinese means High Definition Multimedia Interface. The HDMI interface can provide up to 5Gbps data transfer bandwidth, you can send non-compressed audio signal and high-resolution video signal. D / A or A / D converter, while eliminating the need for the signal before transmission to ensure the highest quality video signal transmission. The benefits of the HDMI: only need one HDMI cable, they can simultaneously transmit audio and video signals, unlike many wires to connect; the same time, the wireless digital / analog or analog / digital converter, can achieve a higher level of audio and video transmission quality. For consumers, HDMI technology not only can provide a clear picture quality and audio / video using the same cable, greatly simplifying the installation of home theater systems.

April 2002, Hitachi, Panasonic, Philips, Silicon Image is, Sony, Thomson, Toshiba, seven companies established the HDMI organization began to develop a new dedicated digital video / audio transmission standard. End of the year 2002, the High Definition Multimedia Interface (High-definition Digital Multimedia Interface), HDMI 1.0 standard was promulgated. HDMI and DVI pin compatible, but with a different package. Compared with DVI, HDMI can transmit digital audio signals, and increase support for HDCP, while providing a better DDC optional features. HDMI supports 5Gbps data transfer rate, can be transmitted as far as 15 meters, enough to cope with a 1080p video and an 8-channel audio signals. Because a 1080p video and an 8-channel audio signal needs to be less than 4GB / s HDMI there is a large margin. This allows a cable to connect the DVD player, receiver and the PRR. In addition, HDMI support EDID DDC2B, it has HDMI device has a "plug and play" characteristics, "consultation" between the signal source and display devices automatically, automatically select the most appropriate video / audio formats.