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High-Definition Multimedia Interface
From Wikipedia, the free encyclopedia
| High-Definition Multimedia Interface |
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HDMI cable and HDMI official logo
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| Type | Digital audio/video connector |
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| Production history |
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| Designer | HDMI Founders |
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| Designed | December 2002 |
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| Manufacturer | HDMI Adopters |
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| Produced | 2003-Present |
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| Specifications |
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| Width | Type A (13.9 mm), Type C (10.42 mm) |
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| Height | Type A (4.45 mm), Type C (2.42 mm) |
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| Hot pluggable | Yes |
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| External | Yes |
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| Audio signal | LPCM, Dolby Digital, DTS, DVD-Audio,Super Audio CD, Dolby TrueHD, DTS-HD Master Audio, MPCM |
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| Video signal | 480i, 480p, 576i, 576p, 720p, 1080i,1080p, 1440p, 1600p, etc. |
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| Data signal | Yes |
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| Bandwidth | 10.2 Gbit/s (340 MHz) |
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| Protocol | TMDS |
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| Pins | 19 |
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| Pin out |
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 Type A (Female) HDMI |
| Pin 1 | TMDS Data2+ | |
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| Pin 2 | TMDS Data2 Shield | |
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| Pin 3 | TMDS Data2– | |
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| Pin 4 | TMDS Data1+ | |
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| Pin 5 | TMDS Data1 Shield | |
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| Pin 6 | TMDS Data1– | |
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| Pin 7 | TMDS Data0+ | |
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| Pin 8 | TMDS Data0 Shield | |
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| Pin 9 | TMDS Data0– | |
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| Pin 10 | TMDS Clock+ | |
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| Pin 11 | TMDS Clock Shield | |
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| Pin 12 | TMDS Clock– | |
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| Pin 13 | CEC | |
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| Pin 14 | Reserved (N.C. on device) | |
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| Pin 15 | SCL | |
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| Pin 16 | SDA | |
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| Pin 17 | DDC/CEC Ground | |
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| Pin 18 | +5 V Power (max 50 mA) | |
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| Pin 19 | Hot Plug Detect | |
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The High-Definition Multimedia Interface (HDMI) is a compact audio/video connector interface for transmitting uncompressed digital streams. It represents a digital alternative to consumer analog standards such as Radio Frequency (RF) coaxial cable, composite video, S-Video, SCART,component video, D-Terminal, and VGA. HDMI connects digital audio/video sources such as set-top boxes, Blu-ray Disc players, personal computers, video game consoles, and AV receivers to compatible digital audio devices, computer monitors, and digital televisions.
HDMI supports, on a single cable, any TV or PC video format including standard, enhanced, and high-definition video along with up to 8 channels of digital audio.[1] It is independent of the various digital television standards such as ATSC and DVB as these are encapsulations of compressed MPEG video streams (which can be decoded and output as uncompressed video stream on HDMI).
HDMI products started shipping in autumn 2003 and currently over 800 CE and PC companies have adopted the HDMI specification (HDMI Adopters).[2][3][4] HDMI began to appear on consumer HDTVcamcorders and digital still cameras in 2006.[5][6][7][8][9] Shipments of HDMI are expected to exceed that of Digital Visual Interface (DVI) in 2008, driven primarily by the Consumer Electronics (CE) Market.[10][11]