I just bought a LCD TV recently. When I installed it, I accidentally found that there is an interface called HDMI on the back. I only know the AV interface. It is used to connect DVDs to watch videos. What does the HDMI interface mean? What's the effect? use? The author will elaborate on these issues in detail below.
What is the HDMI interface
TV HDMI is a multimedia interface standard, which stands for "High-Definition Multimedia Interface", which means a high-definition multimedia interface. It was created to replace the existing interfaces of traditional DVD players, TVs, and other video output devices, to unify and simplify user terminal wiring, and to provide higher bandwidth data transmission speeds and digital lossless transmission of audio and video signals.
The birth of HDMI interface
In April 2002, seven companies from the electronics and electronics industry - Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, Toshiba set up the HDMI High Definition Multimedia Interface Interface HDMI Founders (HDMI Forum), and began to formulate a A new digital video/audio interface technology that meets the standards of sofa butlers. After more than half a year's preparation work, HDMI founders officially released the HDMI 1.0 standard on December 9, 2002, marking that HDMI technology has officially entered the stage of history.
What is the use of HDMI interface
The HDMI interface can be used for set-top boxes, DVD players, personal computers, video games, integrated amplifiers, digital audio and televisions. HDMI can simultaneously transmit audio and video signals. Since audio and video signals use the same cable, the installation process of the system is greatly simplified, saving time and cost.
The HDMI interface can provide up to 5Gbps of data transmission bandwidth, up to 15 meters, enough to handle one 1080p video and one 8-channel audio signal. Uncompressed audio signals and high-resolution video signals can be transmitted. At the same time, it is not necessary to perform digital/analog or analog/digital conversion before signal transmission, which can guarantee the highest quality video signal transmission.
How to use TV HDMI interface
TV HDMI interface can be connected to a laptop (requires VGA to HDMI converter, VGA port is inserted in the computer, HDMI is inserted in the TV, then set the TV's signal source output, select "HDMI signal"), use the notebook The powerful processing capability will directly transfer 1080P HD pictures and high-quality audio to flat-panel TVs, thereby keeping the size of notebook screens from being too small.
The TV HDMI interface is connected to the network set-top box to watch various live TV broadcasts and on-demand programs, as well as video games, video chats, and so on.
What kind of TV HDMI interface standard do you need in the future?
General LCD TVs use the HDMI1.4 interface standard, while 4K Ultra HDTVs need to be equipped with HDMI2.0 standard interfaces. The HDMI 2.0 standard will support greater data transmission throughput to fully exploit the potential of 4K ultra-clear output.
The current HDMI 1.4 standard already supports 4K resolution output, but it is limited to 24fps or 30fps frame rate. Although this standard is sufficient for movie playback, it is obviously unable to cope with the game requirements (at least 60fps game screen is considered smooth). In addition, HDMI 1.4 can only support 8-bit color, but HDMI 2.0 is capable of processing 18 Gbit/s data enough to allow 12-bit color images to be displayed at a high frame rate of 60 fps per second.
Compared with the HDMI 1.4 interface, HDMI 2.0's sound output performance is greatly enhanced, and can handle up to 32 channels of lossless audio. Although this sounds a bit exaggerated, it will still bring a lot of practical significance in practical use. Want Home Theater to Get Cinematic Sound? HDMI 2.0 can be easily implemented.
What is the HDMI interface
TV HDMI is a multimedia interface standard, which stands for "High-Definition Multimedia Interface", which means a high-definition multimedia interface. It was created to replace the existing interfaces of traditional DVD players, TVs, and other video output devices, to unify and simplify user terminal wiring, and to provide higher bandwidth data transmission speeds and digital lossless transmission of audio and video signals.
The birth of HDMI interface
In April 2002, seven companies from the electronics and electronics industry - Hitachi, Panasonic, Philips, Silicon Image, Sony, Thomson, Toshiba set up the HDMI High Definition Multimedia Interface Interface HDMI Founders (HDMI Forum), and began to formulate a A new digital video/audio interface technology that meets the standards of sofa butlers. After more than half a year's preparation work, HDMI founders officially released the HDMI 1.0 standard on December 9, 2002, marking that HDMI technology has officially entered the stage of history.
What is the use of HDMI interface
The HDMI interface can be used for set-top boxes, DVD players, personal computers, video games, integrated amplifiers, digital audio and televisions. HDMI can simultaneously transmit audio and video signals. Since audio and video signals use the same cable, the installation process of the system is greatly simplified, saving time and cost.
The HDMI interface can provide up to 5Gbps of data transmission bandwidth, up to 15 meters, enough to handle one 1080p video and one 8-channel audio signal. Uncompressed audio signals and high-resolution video signals can be transmitted. At the same time, it is not necessary to perform digital/analog or analog/digital conversion before signal transmission, which can guarantee the highest quality video signal transmission.
How to use TV HDMI interface
TV HDMI interface can be connected to a laptop (requires VGA to HDMI converter, VGA port is inserted in the computer, HDMI is inserted in the TV, then set the TV's signal source output, select "HDMI signal"), use the notebook The powerful processing capability will directly transfer 1080P HD pictures and high-quality audio to flat-panel TVs, thereby keeping the size of notebook screens from being too small.
The TV HDMI interface is connected to the network set-top box to watch various live TV broadcasts and on-demand programs, as well as video games, video chats, and so on.
What kind of TV HDMI interface standard do you need in the future?
General LCD TVs use the HDMI1.4 interface standard, while 4K Ultra HDTVs need to be equipped with HDMI2.0 standard interfaces. The HDMI 2.0 standard will support greater data transmission throughput to fully exploit the potential of 4K ultra-clear output.
The current HDMI 1.4 standard already supports 4K resolution output, but it is limited to 24fps or 30fps frame rate. Although this standard is sufficient for movie playback, it is obviously unable to cope with the game requirements (at least 60fps game screen is considered smooth). In addition, HDMI 1.4 can only support 8-bit color, but HDMI 2.0 is capable of processing 18 Gbit/s data enough to allow 12-bit color images to be displayed at a high frame rate of 60 fps per second.
Compared with the HDMI 1.4 interface, HDMI 2.0's sound output performance is greatly enhanced, and can handle up to 32 channels of lossless audio. Although this sounds a bit exaggerated, it will still bring a lot of practical significance in practical use. Want Home Theater to Get Cinematic Sound? HDMI 2.0 can be easily implemented.
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