HDMI

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HDMI

(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 ?
Enjoy HD Content from Your Portable Device on Your HDTV with the High-Speed HDMI Cable with HDMI Micro Connector
In order to ensure the best quality video and audio from portable devices, VIZIO announces the XCH556 High Speed HDMI Cable with HDMI Micro Connector.
The Active High Speed HDMI Micro Cable from PNY, powered by RedMere's technology, is an ideal connectivity partner for these devices as it enables and encourages media sharing by virtue of the fact is it so compact, lightweight and portable.
Powered by RedMere's technology, PNY's Active High Speed HDMI Micro Cable is specially engineered for lengths of up to 10 feet and longer - this is perfect 'couch' distance for viewing high definition content on the big screen.