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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)
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References in periodicals archive ?
To further ride on the market boom, the brand hence has decided to debut the 7 new LCD TVs, including 3 full HD 120Hz models, a 52-inch, 46-inch and 42-inch HDMI 1.3 models, and a 37-inch full HD model, to build a full line of full HD LCD TVs with screen sizes from 32 to 52 inches.
Four HDMI 1.3 ports allow multiple HD or full HD sources to be connected while ensuring the highest level of clarity and compatibility.
A built-in automatic vertical keystone correction ensures that images are well proportioned, while an HDMI 1.3 high-definition signal makes sure certain images are at their best.
Based on 65 nanometer process technology that yields high integration, small footprint size and low power consumption, some of the key enhancements integrated in the BCM7601 include full HDMI 1.3 support and enhanced video quality features such as 12-bit/162Mhz video DACs (digital to analog converters), a full 12-bit video pipeline, and full high definition (HD) motion adaptive de-interlacing support for 1080p/60 native output.
* HDMI 1.3 compliance of types CDS2C05HDMI1 (0402) and CDS3C05HDMI (0603).
Inputs include analog, DVI-I (2), Display Port 1.1, HDMI 1.3, component (YPbPr), S-video and composite.
Its variable iris also adjusts automatically to optimum light levels every 1/60th of a second, and Sanyo's 3D color management system optimizes the potential of Deep Color via HDMI 1.3 inputs.
According to the company, TranSwitch has developed a family of products for video transport, including HDMI 1.3, DisplayPort, as well as dual mode products supporting both standards.
This new color management system was designed to optimize the potential of Deep Color via the projectors two HDMI 1.3 inputs.
It includes all standard connections as well as two HDMI 1.3 inputs with HDCP that furthers functionality and allows connection to a number of devices such as game consoles, HD broadcast receivers, Blu-Ray disc and HD-DVD players.
The Series 6 also comes with a WiseLink Pro feature with USB 2.0 connection to quickly and easily watch video content downloaded from the internet and peripherals such as HD DVD and Blue-ray players are easily connected via 4 HDMI 1.3 connectors (1 side, 3 rear).
This ESD and over-current protection reference layout was developed in conjunction with Efficere, Inc., and meets or exceeds the HDMI 1.3 specifications for operation at 3.4 Gbps for impedance (TDR), data eye and far end crosstalk.