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.

What is Full HD - Difference between HD Ready and Full HD resolution

Reѕearсhing the right device can be quite a task, especiallу when you are bombarded with tеrms like Full HD, HD ready, 4K Ultra HD and mоre. What do these letters mean? If you are not aware, don’t worry! Thіs article will explаіn tо you what is Full HD and the difference between HD Ready and Full HD resolution.

FHD vs HD explained

What is HD

HD or High Definition, the new gold standard for image resolution is often being used interchangeably with ‘Full HD’ to describe a product’s image resolution- but it has only led to confusion. Let’s attempt to clear this. The concept of HD has completely changed the level of visual detail and clarity we’ve come to expect from our screens.

What is Full HD

Full HD is a term used to denote the resolution of the TV screen. It basically means an image with a resolution of 1920 by 1080 pixels. The measurement of the number of pixels is done by estimating the height and width. So, if a display unit like a TV holds 1920 x 1080p resolution then, it means its height is 1080 pixels and the width is 1920 pixels and the total number of pixels this resolution can carry is 1920 x 1080 = 2073600 pixels. The more the number of pixels, the better picture quality is as the number of pixels together compose a picture on the TV. This resolution is commonly seen in widescreen TVs or monitors with an aspect ratio of 16:9.

What is Ultra HD

On the upper end of the spectrum, there is Ultra HD (UHD or 4K). This image resolution is larger, crisper, and clearer than even 1080p. However, the Ultra HD image resolution hasn’t yet been universally adopted. Why? Although in technical terms “4K” means a horizontal resolution of pixels containing 4096 pixels, there’s no vertical resolution specified for it. So, Ultra HD TV’s are not technically 4K.

Read: 4K vs HDR vs Dolby Vision.

Difference between HD Ready and Full HD resolution

The primarily difference between HD Ready resolution and Full HD Resolution refers to the actual image size. HD may refer to 720p or 1080p, but Full HD can only refer to 1080p. On the other hand, the phrase HD Ready refers to just 720p. So, when the term ‘HD Ready’ is used to describe a television or monitor/laptop/PC, it means the device has an image resolution of 720p. The term ‘HD’ may also be used. As such, HD Ready image resolution will contain 720 lines of pixels along the vertical axis, and 1,280 lines of pixels along the horizontal axis thereby making the image is 720 pixels tall and 1,280 pixels wide.

This will results in a total pixel count of 921,600, the lowest image resolution that can be considered as high definition.

On the other hand, Full HD resolution means 1080p tall (height) and 1920 pixels wide. This results in a total pixel count of approximately 2 million total pixels.

The more pixels there are in an image, the better because more pixels in each area will allow for an image to contain little to no visible pixels (known as a retina display) allowing sharper visual detail and clarity. In a retina display, there are more pixels in a specific area than can be individually seen by the human eye.

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