Distance limitations - HD. ca hdtv and Visual Media Knowledgebase


^ Distance limitations
A reported problem with HDMI is the maximum cable length. As with all cables, signal attenuation becomes too high at a certain length. For the standard HDMI copper cables at 28 AWG, some Distance limitations - HD. ca hdtv and Visual Media Knowledgebase users have found signal performance degrades above a cable length of about 5 meters (~16 feet). For front projection televisions and computer hookups, this can result in lost data and the video device compensating in Distance limitations - HD. ca hdtv and Visual Media Knowledgebase unacceptable ways.


The HDMI Web site, however, disputes the 5 meter limit. "HDMI technology has been designed to use standard copper cable construction at long lengths. In order to allow cable manufacturers Distance limitations - HD. ca hdtv and Visual Media Knowledgebase to improve their products through the use of new technologies, HDMI specifies the required performance of a cable but does not specify a maximum cable length. Cable manufacturers are expected to sell Distance limitations - HD. ca hdtv and Visual Media Knowledgebase reasonably priced copper cables at lengths of up to 15 meters." (from the HDMI FAQ page)


One reported way to increase the distance limit is to increase the thickness of the Distance limitations - HD. ca hdtv and Visual Media Knowledgebase copper cables, effectively decreasing impedance. 24 AWG wire is considered superior to 28 AWG. Another way is to use fiber optic or dual Cat-5 cables instead of standard copper. Some companies also offer amplifiers Distance limitations - HD. ca hdtv and Visual Media Knowledgebase and repeaters that can string several HDMI cables together.
See also References

  1. ^ HDMI 1.3 Press Release.

  2. ^ Joseph Palenchar (2006-06-19). HDMI 1.3 Connections Due By Year Distance limitations - HD. ca hdtv and Visual Media Knowledgebase End.

  3. ^ HDMI Part 5 - Audio in HDMI Versions (2006-08-09).

  4. ^ Pics of the HDMI-mini connector.
^ External links
 

Audio Distance limitations - HD. ca hdtv and Visual Media Knowledgebase and video connectors
 Single conductor: Binding post | Banana plug | Fahnestock clip 
 Audio: RCA | Jack plug | XLR | DIN / Mini-DIN | BNC | DB25 | Speakon | TosLink 
 Video: DVI / Mini-DVI / UDI | RCA | VGA / Mini-VGA | DFP | BNC | DIN Distance limitations - HD. ca hdtv and Visual Media Knowledgebase / Mini-DIN | 13W3| D4
 Multi: ADC | HDMI | TRS | SCART | F | Belling-Lee | DisplayPort 
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