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Imiqondo evamile ye-HDMI (Isixhumi Esiphezulu Se-Multimedia Interface)
Izindaba Zemikhiqizo

Imiqondo evamile ye-HDMI (Isixhumi Esiphezulu Se-Multimedia Interface)

2024-08-31

    9e417bfe790cefba1814e08b010a893.png I-HDMI iwukuthuthukiswa kwedijithali okuphelele kwesilinganiso sevidiyo ye-analog esikhona.

I-HDMI ilandela indinganiso ye-EIA/CEA-861, echaza ifomethi yevidiyo kanye ne-waveform, imodi yokudlulisa umsindo ocindezelwe nongacindezelwe (kufaka phakathi umsindo we-LPCM), ukucutshungulwa kwedatha eyisizayo, kanye nokusetshenziswa kwe-VESA EDID. Kubalulekile ukuqaphela ukuthi isignali ye-CEA-861 ethwalwa yi-HDMI ihambisana ngokugcwele ngogesi nesignali ye-CEA-861 esetshenziswa yi-digital vision interface (DVI), okusho ukuthi uma usebenzisa i- I-adaptha ye-Dvi kuya ku-Hdmi, asikho isidingo sokuguqulwa kwesignali futhi akukho ukulahlekelwa kwekhwalithi yevidiyo.

Ngaphezu kwalokho, i-HDMI inomsebenzi we-CEC (Consumer Electronics Control), ovumela amadivayisi e-HDMI ukuthi alawulane uma kudingeka, ukuze abasebenzisi bakwazi ukusebenzisa amadivayisi amaningi kalula ngesilawuli kude esisodwa. Kusukela ekukhishweni kokuqala kobuchwepheshe be-HDMI, kuye kwaqaliswa izinguqulo eziningi, kodwa zonke izinguqulo zisebenzisa izintambo nezixhumi ezifanayo. Inguqulo entsha ye-HDMI iphinde inikeze izici ezithuthukisiwe, njengokusekelwa kwe-3D, uxhumano lwedatha ye-Ethernet, kanye nokusebenza okuthuthukisiwe komsindo nevidiyo, amandla kanye nesisombululo.

Ukukhiqizwa kwemikhiqizo ye-HDMI yabathengi kwaqala ekupheleni kuka-2003. EYurophu, ngokwencazelo yelebula ye-HD Ready eyakhiwe ngokubambisana yi-EICTA kanye ne-SES Astra ngo-2005, ama-TV e-HDTV kumele asekele izixhumi ze-DVI-HDCP noma ze-HDMI. Kusukela ngo-2006, i-HDMI iye yavela kancane kancane kumakhamera e-TV anencazelo ephezulu yabathengi kanye namakhamera edijithali angaguquki. Kusukela ngoJanuwari 8, 2013 (unyaka weshumi ngemva kokukhishwa kwencazelo yokuqala ye-HDMI), amadivayisi e-HDMI angaphezu kwezigidigidi ezintathu asethengisiwe emhlabeni jikelele.