Waa maxay Full HD - Farqiga u dhexeeya HD Ready iyo Full HD xallinta
Cilmi-baarista qalabka saxda ah waxay noqon kartaa hawl aad u adag, gaar ahaan marka lagugu dhufto ereyada sida Full HD , HD diyaarsan, 4K Ultra HD iyo in ka badan. Waa maxay macnaha xarfahan? Haddii aadan ka warqabin, ha welwelin! Maqaalkani wuxuu kuu sharxi doonaa waxa Full HD yahay iyo faraqa u dhexeeya HD Ready iyo F ull HD xallinta(ull HD resolution) .
FHD vs HD sharaxay
Waa maxay HD
HD ama Qeexitaan Sare(High Definition) , heerka cusub ee dahabka ee xallinta sawirka waxaa inta badan loo istcimaalaa si isku beddelasho ah 'HD' oo buuxa si loo qeexo xallinta sawirka badeecada - laakiin waxay keentay jahawareer. Aan isku dayno inaan nadiifino tan. Fikradda HD ayaa gebi ahaanba beddeshay heerka faahfaahinta muuqaalka iyo caddaynta aan ka filnay shaashadahayada.
Waa maxay Full HD
Full HD waa erey loo isticmaalo in lagu muujiyo xallinta shaashadda TV-ga. Asal ahaan waxay ka dhigan tahay sawir leh xallinta 1920 by 1080 pixels. Cabbirka tirada pixels waxaa lagu sameeyaa iyadoo la qiyaasayo dhererka iyo ballaca. Haddaba, haddii unugga soo-bandhigidda sida TV-ga uu hayo xallinta 1920 x 1080p markaas, waxay la macno tahay in dhererkiisu yahay 1080 pixels ballaciisuna yahay 1920 pixels wadarta tirada pixels ee qaraarkani waxa uu qaadi karaa waa 1920 x 1080 = 2073600 pixels. Marka ay bataan tirada pixels-ka, tayada sawirka wanaagsani waa marka tirada pixels wada jir ay sawir uga sameeyaan TV-ga. Qaraarkan waxaa badanaa lagu arkaa TV-yada(TVs) shaashadaha ama kormeerayaasha oo leh saami dhan 16:9.
Waa maxay Ultra HD
Dhamaadka sare ee spectrum, waxaa jira Ultra HD ( UHD ama 4K). Xallinta sawirkani waa ka weyn yahay, qallafsan yahay, oo ka cad yahay xitaa 1080p. Si kastaba ha ahaatee, xallinta sawirka Ultra HD weli si caalami ah looma aqbalin. Waa maxay sababtu? Inkasta oo ereyada farsamada "4K" macnaheedu yahay xallin toosan oo pixels ka kooban 4096 pixels, ma jiro xal toosan oo loo cayimay. Markaa, Ultra HD TV-yada farsamo ahaan maaha 4K.
Akhri(Read) : 4K vs HDR vs Dolby Vision .
Farqiga u dhexeeya HD Ready iyo xallinta Full HD
Farqiga ugu horreeya ee u dhexeeya xallinta u diyaarsan HD(HD Ready) iyo xallinta HD oo buuxa(Full HD Resolution) waxa loola jeedaa cabbirka sawirka dhabta ah. HD waxaa laga yaabaa inay tixraacdo 720p ama 1080p, laakiin Full HD kaliya waxay tixraaci kartaa 1080p. Dhanka kale, weedha HD Ready waxay tilmaamaysaa kaliya 720p. Marka, marka ereyga ' HD Ready ' loo isticmaalo in lagu qeexo telefishinka ama kormeeraha/laptop/PC, waxay la macno tahay in qalabku leeyahay cabbir muuqaal ah 720p. Erayga 'HD' sidoo kale waa la isticmaali karaa. Sidan oo kale, xallinta muuqaalka HD U diyaarsan(HD Ready) waxay ka koobnaan doontaa 720 xariiq oo pixels ah oo ay weheliyaan dhidibka toosan, iyo 1,280 xariiq oo pixels ah oo ay weheliyaan dhidibka jiifka ah, taas oo ka dhigaysa sawirku 720 pixels dherer ah iyo 1,280 pixels ballaaran.
Tani waxay keenaysaa wadarta tirada pixels ee 921,600, xallinta sawirka ugu hooseysa oo loo tixgelin karo qeexid sare.
Dhanka kale, xallinta Full HD macnaheedu waa 1080p dheer (dherer) iyo 1920 pixels ballaaran. Tani waxay keenaysaa wadarta tirada pixels ee ku dhow 2 milyan wadarta pixels.
Inta badan pixels ee sawirka ku jira, way fiicnaan doontaa sababtoo ah pixels badan oo aag kasta ah ayaa u oggolaanaya sawirku inuu ku jiro wax yar ama aan la arki karin (oo loo yaqaan bandhiga retina) taas oo u oggolaanaysa faahfaahin muuqaal ah iyo caddayn. Muqaalka retina, waxaa jira pixels ka badan oo ku yaal meel gaar ah oo aan si gaar ah loogu arki karin isha bini'aadamka.
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