What's the use of the HDMI interface?

HDMI mainly to meet the above 1080P high-definition video requirements, such as the motherboard or graphics card with HDMI interface, indicating that the motherboard or graphics card with the computer support 1080P video output, we can support the 1080P resolution of the monitor or LCD TV connected to the computer, play 1080P Full HD video.

HDMI Data cable

For mainstream LCD TVs, are generally equipped with HDMI High-definition interface, can be used to connect the HDMI data cable to support 1080P Full HD video desktop computer or notebook, to achieve large screen 1080P Super clear video experience.

HDMI interface error: HDMI interface can not transfer audio

Many people believe that HDMI is only a video interface, only support image signal transmission, does not support audio signals. In general, we connect the computer to the LCD TV through the HDMI cable, and we will find that the TV is not sound, and need an additional audio line.

LCD TV HDMI Interface

But in fact the HDMI port is to support sound transmission, but most of the computer's audio and video signals are independent of each other, respectively, resulting in many friends mistakenly believe that the HDMI interface does not support audio.

HDMI Interface Small Knowledge

August 2005, the HDMI 1.2a interface bandwidth is 165MHz, the transmission rate is 4.95Gbps.

May 22, 2006, the development of HDMI standard Sony, Hitachi, Panasonic, Philips, Toshiba, Silicon image, Thomson (RCA) and other 7 enterprises jointly announced the HDMI 1.3 interface standards, the new standard bandwidth and speed increased by more than twice times, The 340MHz bandwidth and 10.2Gbps rate are reached to meet the latest 1440P/WAXGA resolution requirements.

May 30, 2009, HDMI Regulatory Authority HDMI Licensing, LLC announced the technical characteristics of HDMI 1.4, add HDMI Ethernet channel, audio back channel, support higher resolution: HDMI device Support high-definition resolution will reach 4KX2K and other 7 features.

According to the above definition, in fact, the transmission of 1080p signal only need HDMI 1.2a version of the interface is enough to deal with and more than sufficient, the current use of HDMI 1.3 interface products are only for the future higher high-definition signal and more than 10 channels of ultra-high bandwidth data transmission and early application preparation.

Introduction to Here, I believe you are what HDMI is and the understanding of HDMI interface will have in-depth understanding, HDMI interface is now widely on the stage computer, notebook, LCD TV and other devices appear, we are very common, we only need to understand HDMI is a high-definition video interface, More mainstream than traditional VGA interface, support 1080P Full HD video transmission.