{"id":1438,"date":"2019-04-12T08:23:47","date_gmt":"2019-04-12T06:23:47","guid":{"rendered":"http:\/\/www.orange.pl\/poradnik\/?p=1438"},"modified":"2020-05-12T10:23:04","modified_gmt":"2020-05-12T08:23:04","slug":"co-to-jest-4k-wszystko-o-technologii-uhd","status":"publish","type":"post","link":"https:\/\/www.orange.pl\/poradnik\/co-to-jest-4k-wszystko-o-technologii-uhd\/","title":{"rendered":"Co to jest 4K? Wszystko o technologii UHD"},"content":{"rendered":"<p class=\"lead\">4K to technologia, kt\u00f3ra uwa\u017cana jest za nast\u0119pc\u0119 standardu HD. Na czym polega to rozwi\u0105zanie? Jakie mo\u017cliwo\u015bci oferuje? Czy warto zainwestowa\u0107 w telewizor 4K? Oto wszystko, co musisz wiedzie\u0107.<\/p>\n<p>&nbsp;<\/p>\n<h2>Rozdzielczo\u015b\u0107 obrazu<\/h2>\n<p>Rozdzielczo\u015b\u0107 wy\u015bwietlanego obrazu to jeden z najwa\u017cniejszych parametr\u00f3w, kt\u00f3ry nale\u017cy wzi\u0105\u0107 pod uwag\u0119, wybieraj\u0105c telewizor czy monitor. Za pomoc\u0105 tej warto\u015bci okre\u015blana jest <strong>liczba pikseli, czyli miniaturowych punkt\u00f3w<\/strong> (najcz\u0119\u015bciej w kszta\u0142cie kwadrat\u00f3w lub prostok\u0105t\u00f3w), kt\u00f3re tworz\u0105 obraz wy\u015bwietlany na ekranie urz\u0105dzenia.<\/p>\n<p>Rozdzielczo\u015b\u0107 zapisuje si\u0119 wed\u0142ug ujednoliconego schematu \u2013 Y\u00a0\u00d7\u00a0Z. Y wyra\u017ca liczb\u0119 linii pikseli wy\u015bwietlanych w poziomie, a Z \u2013 w pionie. <strong>Im wi\u0119ksza liczba pikseli wykorzystywana jest do stworzenia obrazu, tym wi\u0119ksza jest jego szczeg\u00f3\u0142owo\u015b\u0107<\/strong>. Najpopularniejsze obecnie modele telewizor\u00f3w i monitor\u00f3w s\u0105 w stanie wy\u015bwietli\u0107 obraz zgodny standardem HDTV (ang. High-Definition Television). Umo\u017cliwia on wykorzystanie dw\u00f3ch rozdzielczo\u015bci: 1280 \u00d7 720 (720p) oraz 1920 \u00d7 1080 pikseli (1080p \u2013 Full HD lub 1080i). Na rynku dost\u0119pne s\u0105 ju\u017c urz\u0105dzenia obs\u0142uguj\u0105ce rozdzielczo\u015b\u0107 4K, kt\u00f3ra z czasem zast\u0105pi HD.<\/p>\n<h2>4K i Ultra HD \u2013 co to jest?<\/h2>\n<p>Co to jest 4K? Terminem 4K okre\u015bla si\u0119 rozdzielczo\u015bci, kt\u00f3re zawieraj\u0105 <strong>cztery tysi\u0105ce poziomych linii pikseli<\/strong>. Dok\u0142adna liczba poziomych i pionowych linii jest r\u00f3\u017cna dla poszczeg\u00f3lnych standard\u00f3w \u2013 kinowy obraz 4K CDI cechuje si\u0119 rozdzielczo\u015b\u0107 4096 \u00d7 2160 pikseli i stosunkiem d\u0142ugo\u015bci bok\u00f3w wynosz\u0105cym 1,90:1. Z kolei stworzony z my\u015bl\u0105 o telewizji standard Ultra HD, kt\u00f3ry cz\u0119sto, dla uproszczenia, okre\u015blany jest mianem UHD 4K, <strong>umo\u017cliwia transmisj\u0119 panoramicznego obrazu w formacie 16:9<\/strong>, w rozdzielczo\u015bci 3840 \u00d7 2160 pikseli \u2013 oznacza to, \u017ce obraz tworzy <strong>czterokrotnie wi\u0119cej pikseli ni\u017c w przypadku rozdzielczo\u015bci Full HD<\/strong>.<\/p>\n<p>Bardzo du\u017ca liczba pikseli wykorzystywana do zbudowania obrazu przek\u0142ada si\u0119 na jego <strong>niezwyk\u0142\u0105 szczeg\u00f3\u0142owo\u015b\u0107<\/strong>. Standard Ultra HD umo\u017cliwia r\u00f3wnie\u017c wy\u015bwietlanie obrazu w trybie HDR (ang. High Dynamic Range). Pozwala on osi\u0105gn\u0105\u0107 bardzo du\u017cy zakres rozpi\u0119to\u015bci pomi\u0119dzy ciemnymi i jasnymi barwami \u2013 dzi\u0119ki temu wy\u015bwietlany obraz jest nasycony kolorami i zaskakuj\u0105co realistyczny.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3167\" src=\"https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/rozdzielczosc-obrazu.jpg\" alt=\"Rozdzielczo\u015b\u0107 obrazu por\u00f3wnanie 4K a HD\" width=\"759\" height=\"483\" srcset=\"https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/rozdzielczosc-obrazu.jpg 1650w, https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/rozdzielczosc-obrazu-300x191.jpg 300w, https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/rozdzielczosc-obrazu-768x489.jpg 768w, https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/rozdzielczosc-obrazu-1024x652.jpg 1024w\" sizes=\"auto, (max-width: 759px) 100vw, 759px\" \/><\/p>\n<h2>Gdzie szuka\u0107 materia\u0142\u00f3w 4K?<\/h2>\n<p>Telewizja w jako\u015bci Ultra HD dopiero wkracza na polski rynek. W ofercie krajowych nadawc\u00f3w jak na razie ci\u0105gle przewa\u017caj\u0105 programy zgodne ze standardem HD. Sytuacja ta b\u0119dzie si\u0119 jednak zmienia\u0107.<\/p>\n<p>Pierwsze kana\u0142y UHD 4K dost\u0119pne s\u0105 ju\u017c w ofercie <a href=\"https:\/\/www.orange.pl\/view\/pakiety-orange-tv\">Orange TV<\/a>. Na kanale Eleven Sports 1 w jako\u015bci 4K obejrze\u0107 mo\u017cesz np. <strong>wybrane mecze pi\u0142ki no\u017cnej oraz wy\u015bcigi Formu\u0142y 1<\/strong>. W ofercie Orange dost\u0119pny jest r\u00f3wnie\u017c kana\u0142 Festival 4K, na kt\u00f3rym dost\u0119pne s\u0105 <strong>transmisje wydarze\u0144 muzycznych<\/strong> \u2013 festiwali, koncert\u00f3w czy spektakli teatralnych, a tak\u017ce kontent <strong>4K Netflixa<\/strong>.<\/p>\n<p>Coraz wi\u0119cej materia\u0142\u00f3w w rozdzielczo\u015bci UHD 4K dost\u0119pnych jest r\u00f3wnie\u017c on-line. Znajdziesz je m.in. na YouTubie i na platformach streamingowych, takich jak Netflix czy Amazon. Warto pami\u0119ta\u0107, \u017ce do p\u0142ynnego odtwarzania tego typu materia\u0142\u00f3w <strong>potrzebne jest \u0142\u0105cze internetowe o wysokiej przepustowo\u015bci<\/strong>. Produkcje w rozdzielczo\u015bci 4K dystrybuowane s\u0105 tak\u017ce na p\u0142ytach <strong>Ultra HD Blu-ray<\/strong> \u2013 no\u015bnik ten opracowany zosta\u0142 jako nast\u0119pca formatu Blu-ray. W tej jako\u015bci dost\u0119pne s\u0105 r\u00f3wnie\u017c najnowsze gry wideo na konsole PlayStation 4 i Xbox One.<\/p>\n<p><strong><a href=\"https:\/\/www.orange.pl\/view\/pakiety-orange-tv\">Poznaj ofert\u0119 telewizyjna Orange &gt;&gt;<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3168\" src=\"https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/Telewizor-Samsung-65-QLED-TV-Q60R.jpg\" alt=\"Telewizor Samsung 65&quot; QLED TV Q60R\" width=\"612\" height=\"391\" srcset=\"https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/Telewizor-Samsung-65-QLED-TV-Q60R.jpg 612w, https:\/\/www.orange.pl\/poradnik\/wp-content\/uploads\/2019\/04\/Telewizor-Samsung-65-QLED-TV-Q60R-300x192.jpg 300w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/p>\n<h2>Czy warto kupi\u0107 telewizor 4K?<\/h2>\n<p>Rosn\u0105ca dost\u0119pno\u015b\u0107 materia\u0142\u00f3w w jako\u015bci 4K sprawia, \u017ce coraz wi\u0119cej os\u00f3b rozwa\u017ca zakup telewizora obs\u0142uguj\u0105cego t\u0119 wysok\u0105 rozdzielczo\u015b\u0107. Bez w\u0105tpienia jest to wyb\u00f3r polecany widzom, kt\u00f3rzy regularnie korzystaj\u0105 z us\u0142ug streamingowych i <strong>zale\u017cy im na seansach w najwy\u017cszej dost\u0119pnej jako\u015bci<\/strong>. W przypadku os\u00f3b, kt\u00f3re pozostaj\u0105 przy \u201eklasycznej\u201d telewizji, zakup telewizora 4K to inwestycja na przysz\u0142o\u015b\u0107. Ultra HD powoli, ale konsekwentnie zast\u0119puje standard HD \u2013 do tego trendu dostosowuj\u0105 si\u0119 z r\u00f3wnie\u017c polscy nadawcy telewizyjni, kt\u00f3rzy pracuj\u0105 nad poszerzeniem w\u0142asnej oferty 4K.<\/p>\n<p><strong><a href=\"https:\/\/www.orange.pl\/sklep?selectedCategory=TVs&amp;offerType=VOICE&amp;loyalty=24&amp;processType=ACTIVATION&amp;selectedPropositionId=Plan_Mobilny_MORe_249050$MOB_CPO_6889_5720_AC_249050&amp;serviceplan=MOB_PO_5720_6061_7294\">Zobacz telewizory w ofercie Orange &gt;&gt;<\/a><\/strong><\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;1438&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;14&quot;,&quot;title&quot;:&quot;Co to jest 4K? Wszystko o technologii UHD&quot;,&quot;width&quot;:&quot;92.5&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 92.5px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 14px; height: 14px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 11.2px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>4K to technologia, kt\u00f3ra uwa\u017cana jest za nast\u0119pc\u0119 standardu HD. Na czym polega to rozwi\u0105zanie? Jakie mo\u017cliwo\u015bci oferuje? Czy warto [&hellip;]<\/p>\n","protected":false},"author":14,"featured_media":1445,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[189],"tags":[15],"class_list":["post-1438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rozrywka","tag-telewizja"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Co to jest 4K? Wszystko o technologii UHD - Poradnik Orange<\/title>\n<meta name=\"description\" content=\"4K to technologia, kt\u00f3ra uwa\u017cana jest za nast\u0119pc\u0119 standardu HD. Na czym polega to rozwi\u0105zanie? Jakie mo\u017cliwo\u015bci oferuje? 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