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(High-Definition Multimedia Interface) A digital interface for audio and video that provides a single-cable solution for home theater and consumer electronics equipment such as TVs, Blu-ray/DVD players and set-top boxes. Introduced in 2002, one HDMI cable took the place of nine different analog audio and video cables.

HDMI supports eight channels of 24-bit uncompressed audio at 192kHz and 4K video resolution up to 4096x2160 (as of HDMI 1.4). It also provides copy protection, A/V equipment control, 5 volts of power and compatibility with DVI and DisplayPort interfaces. For more HDMI details, look up the following:

Version summary, see HDMI versions.
Cable versions, see HDMI cable types.
A/V control, see HDMI CEC.
Compatibility, see HDMI-DVI compatibility and DisplayPort.
Audio return channel, see HDMI ARC.
Copy protection, see HDCP.

Common 19-Pin Connectors
Type A is for TVs and home theater equipment, while camcorders and cellphones use Type C and D. A more secure Type E is used in vehicles, and a 29-pin Type B supports dual-link DVI resolution (see DVI).

HDMI Vs. All the Others
This earlier Roku streaming hub was on the market during the transition stage from analog to digital TV. See A/V ports.

An HDMI Switch
HDMI switches let several HDMI sources plug into a TV with only one HDMI input. This Oppo unit switches three inputs. See HDMI switch. (Image courtesy of Oppo Digital, Inc., www.oppodigital.com)
References in periodicals archive ?
In addition to consolidating high-definition video as well as audio in a single, compact cable, HDMI (carried through 3 TMDS lines), the High-Definition Multimedia Interface also includes two control channels.
The VPL-EW5 contains a high-definition multimedia interface.
Commenting on the report, an analyst from TechNavio's Hardware team said: "The Global High-definition Multimedia Interface (HDMI) and DisplayPort-enabled Equipment market is witnessing the trend of the integration of HDMI and DisplayPort features.
A High-Definition Multimedia Interface input transmits uncompressed digital audio/video streams, while a USB reader enables PC-less presentation and a full range of connectivity options.
Tokyo, Japan, Nov 12, 2007 - (JCN Newswire) - Fujitsu Limited today announced its development of the world's first embedded-FRAM LSI for digital TVs that enables simultaneous use of four-channel High-Definition Multimedia Interface HDMI(TM)[1] connector ports - such as for multiple DVD recorders, camcorders, and video game consoles - and which stores display data, such as resolution, that is read by audio-visual digital entertainment devices when they are used with digital TVs.
High-Definition Multimedia Interface (HDMI) provides a pure digital connection to HDTVs, eliminating the need for consumers to use analog audio and video outputs such as component video or S-Video when connecting camcorders and digital cameras to HDTVs.
The product includes high-definition multimedia interface (HDMI) technology, is accessible through an on-board web server and a front panel and is used to move HD content from one source to various destinations.
has highlighted key capabilities under development for the next version of High-Definition Multimedia Interface (HDMI) targeted for the first half of 2006, including support for deep color, higher speed and easier integration into personal computers.
UEI), (NASDAQ: UEIC), the industry's leading global developer of wireless, programmable remote control technology, today announced that they will begin offering High-Definition Multimedia Interface (HDMI) cables to cable, satellite, and IPTV operators in North and Latin America.
0 - the current versions of High-Definition Multimedia Interface (HDMI).

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