{"id":3704,"date":"2025-12-24T10:01:19","date_gmt":"2025-12-24T10:01:19","guid":{"rendered":"https:\/\/blog.lebara.co.uk\/?p=3704"},"modified":"2026-02-05T08:57:23","modified_gmt":"2026-02-05T08:57:23","slug":"guide-to-video-streaming-formats","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/","title":{"rendered":"Sprievodca form\u00e1tmi streamovania videa"},"content":{"rendered":"<p>Ak ste sa niekedy pozerali na nastavenia kvality v aplik\u00e1cii na streamovanie a rozm\u00fd\u0161\u013eali ste, \u010di zvoli\u0165 mo\u017enos\u0165 HD, Auto alebo 4K, nie ste sami. Pochopenie rozl\u00ed\u0161enia videa nie je len o z\u00edskan\u00ed ostrej\u0161ieho obrazu - m\u00e1 priamy vplyv na to, ko\u013eko d\u00e1t spotrebujete a \u010di va\u0161e internetov\u00e9 pripojenie skuto\u010dne dok\u00e1\u017ee dr\u017ea\u0165 krok.<\/p>\n\n\n\n<p>V tomto sprievodcovi presne vysvetl\u00edme, \u010do v praxi znamenaj\u00fa rozl\u00ed\u0161enia HD, Full HD, 4K a 8K, ko\u013eko d\u00e1t spotrebuj\u00fa jednotliv\u00e9 rozl\u00ed\u0161enia v ob\u013e\u00faben\u00fdch streamovac\u00edch slu\u017eb\u00e1ch a ktor\u00e9 nastavenie je vhodn\u00e9 pre va\u0161e zariadenia, r\u00fdchlos\u0165 pripojenia a zvyky pri sledovan\u00ed.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Prep\u00ednanie tabu\u013eky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Prep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Quick_answer_which_resolution_should_you_stream_in_for_2025\" >R\u00fdchla odpove\u010f: v akom rozl\u00ed\u0161en\u00ed by ste mali streamova\u0165 v roku 2025?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#What_is_video_resolution_and_how_does_it_affect_streaming_data\" >\u010co je to rozl\u00ed\u0161enie videa a ako ovplyv\u0148uje streamovanie \u00fadajov?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Common_streaming_resolutions_explained_SD_HD_FHD_2KQHD_4K_8K\" >Vysvetlenie be\u017en\u00fdch rozl\u00ed\u0161en\u00ed streamovania: SD, HD, FHD, 2K\/QHD, 4K, 8K<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Standard_Definition_SD_480p_and_below\" >\u0160tandardn\u00e9 rozl\u00ed\u0161enie (SD: 480p a menej)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#High_Definition_HD_720p\" >Vysok\u00e9 rozl\u00ed\u0161enie (HD: 720p)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Full_High_Definition_FHD_1080p\" >Pln\u00e9 vysok\u00e9 rozl\u00ed\u0161enie (FHD: 1080p)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#2K_QHD_1440p\" >2K \/ QHD \/ 1440p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Ultra_High_Definition_4K_UHD_2160p\" >Ultra vysok\u00e9 rozl\u00ed\u0161enie (4K UHD: 2160p)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#8K_4320p\" >8K (4320p)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#How_resolution_bitrate_and_codecs_affect_your_data_usage\" >Ako rozl\u00ed\u0161enie, d\u00e1tov\u00fd tok a kodeky ovplyv\u0148uj\u00fa spotrebu d\u00e1t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#What_resolutions_and_formats_popular_apps_use_Netflix_YouTube_Disney_and_more\" >Ak\u00e9 rozl\u00ed\u0161enia a form\u00e1ty pou\u017e\u00edvaj\u00fa popul\u00e1rne aplik\u00e1cie (Netflix, YouTube, Disney+ a \u010fal\u0161ie)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Netflix\" >Netflix<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#YouTube\" >YouTube<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Disney\" >Disney+<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Amazon_Prime_Video\" >Amazon Prime Video<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Apple_TV\" >Apple TV+<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Hulu_Max_HBO_and_other_regional_services\" >Hulu, Max (HBO) a \u010fal\u0161ie region\u00e1lne slu\u017eby<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#How_resolution_choices_impact_your_data_plan_and_internet_speed\" >Ako v\u00fdber rozl\u00ed\u0161enia ovplyv\u0148uje v\u00e1\u0161 d\u00e1tov\u00fd pl\u00e1n a r\u00fdchlos\u0165 internetu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Choosing_the_right_resolution_for_different_devices_and_situations\" >V\u00fdber spr\u00e1vneho rozl\u00ed\u0161enia pre r\u00f4zne zariadenia a situ\u00e1cie<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Practical_tips_how_to_control_streaming_quality_and_save_data\" >Praktick\u00e9 tipy: ako kontrolova\u0165 kvalitu streamovania a \u0161etri\u0165 \u00fadaje<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#FAQ_common_questions_about_HD_FHD_4K_and_8K_streaming\" >\u010casto kladen\u00e9 ot\u00e1zky: \u010dast\u00e9 ot\u00e1zky o streamovan\u00ed v rozl\u00ed\u0161en\u00ed HD, FHD, 4K a 8K<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/#Key_takeaways\" >K\u013e\u00fa\u010dov\u00e9 poznatky<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quick_answer_which_resolution_should_you_stream_in_for_2025\"><\/span>R\u00fdchla odpove\u010f: v akom rozl\u00ed\u0161en\u00ed by ste mali streamova\u0165 v roku 2025?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Pre v\u00e4\u010d\u0161inu \u013eud\u00ed v roku 2025 zost\u00e1va Full HD (1080p) najlep\u0161\u00edm rozl\u00ed\u0161en\u00edm na ka\u017edodenn\u00e9 streamovanie. Vyzer\u00e1 ostro na telef\u00f3noch, notebookoch a telev\u00edzoroch s uhloprie\u010dkou do 50 palcov, spotrebuje primeran\u00e9 mno\u017estvo d\u00e1t a spo\u013eahlivo funguje na v\u00e4\u010d\u0161ine dom\u00e1cich internetov\u00fdch pripojen\u00ed.<\/p>\n\n\n\n<p>Tu je preh\u013ead hlavn\u00fdch mo\u017enost\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HD (720p)<\/strong>: Dostato\u010dne dobr\u00e9 pre telef\u00f3ny a <a href=\"https:\/\/blog.lebara.co.uk\/sk\/the-top-4-tablets\/\">tablety<\/a>, alebo ke\u010f m\u00e1te obmedzen\u00e9 <a href=\"https:\/\/blog.lebara.co.uk\/sk\/%ef%bf%bchow-much-data-is-optimal\/\">mobiln\u00e9 \u00fadaje<\/a>. Obraz je sledovate\u013en\u00fd, ale na v\u00e4\u010d\u0161\u00edch obrazovk\u00e1ch je v\u00fdrazne menej detailn\u00fd.<\/li>\n\n\n\n<li><strong>Full HD (1080p)<\/strong>: Sladk\u00e1 bodka pre v\u00e4\u010d\u0161inu div\u00e1kov. Ostr\u00fd a detailn\u00fd obraz na v\u00e4\u010d\u0161ine zariaden\u00ed bez toho, aby ste museli pre\u010derp\u00e1va\u0165 d\u00e1tov\u00fd limit alebo vy\u017eadova\u0165 bleskur\u00fdchly internet.<\/li>\n\n\n\n<li><strong>4K UHD (2160p)<\/strong>: Na ve\u013ek\u00fdch telev\u00edzoroch (55 palcov a viac) je zrete\u013ene ostrej\u0161\u00ed, ke\u010f sed\u00edte dostato\u010dne bl\u00edzko, aby ste videli rozdiel. Vy\u017eaduje r\u00fdchlej\u0161\u00ed internet a vyu\u017e\u00edva v\u00fdrazne viac d\u00e1t.<\/li>\n\n\n\n<li><strong>8K (4320p)<\/strong>: Prehnan\u00e9 pre takmer ka\u017ed\u00e9ho. Existuje ve\u013emi m\u00e1lo obsahu, potrebujete \u0161pecializovan\u00fd telev\u00edzor a spotreba d\u00e1t je extr\u00e9mna.<\/li>\n<\/ul>\n\n\n\n<p><strong>Typick\u00e9 hodinov\u00e9 vyu\u017eitie \u00fadajov pod\u013ea rozl\u00ed\u0161enia (pribli\u017ene):<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Rozl\u00ed\u0161enie<\/th><th>Netflix<\/th><th>YouTube<\/th><th>Disney+<\/th><\/tr><tr><td>SD (480p)<\/td><td>~1 GB\/hod<\/td><td>~0,5-1 GB\/hod<\/td><td>~1 GB\/hod<\/td><\/tr><tr><td>HD (720p)<\/td><td>~1-3 GB\/hod<\/td><td>~1,5-3 GB\/hod<\/td><td>~2-3 GB\/hod<\/td><\/tr><tr><td>FHD (1080p)<\/td><td>~3 GB\/hod<\/td><td>~3-6 GB\/hod<\/td><td>~3-4 GB\/hod<\/td><\/tr><tr><td>4K UHD<\/td><td>~7 GB\/hod<\/td><td>~10-20 GB\/hod<\/td><td>~7-15 GB\/hod<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Pravidl\u00e1 pod\u013ea r\u00fdchlosti pripojenia:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pod 10 Mb\/s \u2192 Pre spo\u013eahliv\u00e9 streamovanie zosta\u0148te pri rozl\u00ed\u0161en\u00ed 720p<\/li>\n\n\n\n<li>10-25 Mbps \u2192 1080p funguje dobre pre v\u00e4\u010d\u0161inu obsahu<\/li>\n\n\n\n<li>25+ Mbps \u2192 4K je \u017eivotaschopn\u00e9 na ve\u013ek\u00fdch telev\u00edzoroch<\/li>\n\n\n\n<li>80-100+ Mbps \u2192 8K je technicky mo\u017en\u00e9, ale m\u00e1lokedy to stoj\u00ed za to<\/li>\n<\/ul>\n\n\n\n<p><strong>Odpor\u00fa\u010dan\u00e9 predvolen\u00e9 hodnoty pod\u013ea zariadenia:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Smartf\u00f3ny: 720p-1080p (vy\u0161\u0161ie rozl\u00ed\u0161enia plytvaj\u00fa d\u00e1tami na mal\u00fdch obrazovk\u00e1ch)<\/li>\n\n\n\n<li>Tablety a prenosn\u00e9 po\u010d\u00edta\u010de: 1080p<\/li>\n\n\n\n<li>Telev\u00edzory s uhloprie\u010dkou do 43 palcov: 1080p je dostato\u010dne ostr\u00fd<\/li>\n\n\n\n<li>Ve\u013ek\u00e9 telev\u00edzory 4K (55 palcov a viac): minim\u00e1lne 1080p, 4K, ak to \u0161\u00edrka p\u00e1sma umo\u017e\u0148uje<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_video_resolution_and_how_does_it_affect_streaming_data\"><\/span>\u010co je to rozl\u00ed\u0161enie videa a ako ovplyv\u0148uje streamovanie \u00fadajov?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Rozl\u00ed\u0161enie videa sa vz\u0165ahuje na celkov\u00fd po\u010det pixelov, ktor\u00e9 tvoria ka\u017ed\u00fa sn\u00edmku videa. Viac pixelov znamen\u00e1 viac detailov, ale aj viac \u00fadajov o videu, ktor\u00e9 musia prejs\u0165 cez internetov\u00e9 pripojenie, aby sa dostali na obrazovku.<\/p>\n\n\n\n<p>Rozl\u00ed\u0161enie sa vyjadruje ako \u0161\u00edrka \u00d7 v\u00fd\u0161ka v pixeloch. Napr\u00edklad 1920 \u00d7 1080 znamen\u00e1, \u017ee ka\u017ed\u00e1 sn\u00edmka videa obsahuje 1 920 horizont\u00e1lnych a vertik\u00e1lnych pixelov usporiadan\u00fdch do mrie\u017eky s 1 080 riadkami. Be\u017en\u00e9 ozna\u010denia sa prekladaj\u00fa takto:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>HD (720p)<\/strong>: 1280 \u00d7 720 pixelov<\/li>\n\n\n\n<li><strong>Full HD (1080p)<\/strong>: 1920 \u00d7 1080 pixelov<\/li>\n\n\n\n<li><strong>4K UHD (2160p)<\/strong>: 3840 \u00d7 2160 pixelov<\/li>\n\n\n\n<li><strong>8K (4320p)<\/strong>: 7680 \u00d7 4320 pixelov<\/li>\n<\/ul>\n\n\n\n<p>Mnoh\u00ed \u013eudia si v\u0161ak neuvedomuj\u00fa, \u017ee streamovacie platformy kombinuj\u00fa rozl\u00ed\u0161enie s d\u00e1tov\u00fdm tokom (ko\u013eko d\u00e1t sa odo\u0161le za sekundu) a kompresiou (kodeky ako H.264, H.265\/HEVC alebo AV1), aby mohli kontrolova\u0165 kvalitu videa a spotrebu d\u00e1t. Stream s rozl\u00ed\u0161en\u00edm 1080p na Netflixe m\u00f4\u017ee spotrebova\u0165 3 GB za hodinu, zatia\u013e \u010do rovnak\u00e9 rozl\u00ed\u0161enie na YouTube m\u00f4\u017ee spotrebova\u0165 5 GB za hodinu - preto\u017ee pou\u017e\u00edvaj\u00fa r\u00f4zne bitov\u00e9 toky alebo kompresn\u00e9 met\u00f3dy.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Rozl\u00ed\u0161enie videa ur\u010duje maxim\u00e1lnu mo\u017en\u00fa ostros\u0165, ale skuto\u010dn\u00e1 kvalita obrazu, ktor\u00fa vid\u00edte, z\u00e1vis\u00ed od d\u00e1tov\u00e9ho toku, artefaktov kompresie, ve\u013ekosti obrazovky a od toho, ako \u010faleko od nej sed\u00edte.<\/p>\n<\/blockquote>\n\n\n\n<p>Preto m\u00f4\u017eu dva pr\u00fady s rozl\u00ed\u0161en\u00edm 1080p vyzera\u0165 v\u00fdrazne odli\u0161ne. Silne komprimovan\u00fd pr\u00fad 1080p s n\u00edzkym d\u00e1tov\u00fdm tokom m\u00f4\u017ee vyzera\u0165 hor\u0161ie ako dobre zak\u00f3dovan\u00fd pr\u00fad 720p s vy\u0161\u0161\u00edm d\u00e1tov\u00fdm tokom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_streaming_resolutions_explained_SD_HD_FHD_2KQHD_4K_8K\"><\/span>Vysvetlenie be\u017en\u00fdch rozl\u00ed\u0161en\u00ed streamovania: SD, HD, FHD, 2K\/QHD, 4K, 8K<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Poznanie rozl\u00ed\u0161enia videa v\u00e1m pom\u00f4\u017ee lep\u0161ie sa rozhodn\u00fa\u0165, ktor\u00e9 nastavenie kvality zvoli\u0165. Tu je rozpis jednotliv\u00fdch hlavn\u00fdch \u00farovn\u00ed rozl\u00ed\u0161enia, s ktor\u00fdmi sa stretnete v streamovac\u00edch slu\u017eb\u00e1ch a zariadeniach v roku 2025.<\/p>\n\n\n\n<p>Hlavn\u00e9 spotrebite\u013esk\u00e9 uznesenia v porad\u00ed pod\u013ea rast\u00facej podrobnosti:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>\u0160t\u00edtok<\/th><th><a href=\"https:\/\/blog.lebara.co.uk\/sk\/8-reasons-to-buy-a-google-pixel-phone\/\">Pixel<\/a> Rozmery<\/th><th>Pribli\u017en\u00e9 megapixely<\/th><th>Be\u017en\u00e9 pou\u017e\u00edvanie<\/th><\/tr><tr><td>SD<\/td><td>854 \u00d7 480 alebo menej<\/td><td>~0,4 MP<\/td><td>Re\u017eimy \u0161etrenia d\u00e1t, pomal\u00e9 pripojenie<\/td><\/tr><tr><td>HD (720p)<\/td><td>1280\u00d7720<\/td><td>~0,9 MP<\/td><td><a href=\"https:\/\/blog.lebara.co.uk\/sk\/the-top-five-budget-smartphones-in-the-uk\/\">Rozpo\u010det<\/a> pl\u00e1ny, mobiln\u00e9 streamovanie<\/td><\/tr><tr><td>FHD (1080p)<\/td><td>1920\u00d71080<\/td><td>~2,1 MP<\/td><td>\u0160tandardn\u00e9 streamovanie, v\u00e4\u010d\u0161ina zariaden\u00ed<\/td><\/tr><tr><td>QHD (1440p)<\/td><td>2560\u00d71440<\/td><td>~3,7 MP<\/td><td>Hern\u00e9 monitory, niektor\u00e9 telef\u00f3ny<\/td><\/tr><tr><td>4K UHD<\/td><td>3840\u00d72160<\/td><td>~8,3 MP<\/td><td>Pr\u00e9miov\u00e9 telev\u00edzory, vlajkov\u00fd obsah<\/td><\/tr><tr><td>8K<\/td><td>7680\u00d74320<\/td><td>~33 MP<\/td><td>Obsah pre nad\u0161encov\/demo<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Kr\u00e1tka pozn\u00e1mka k pomenovaniu:<\/strong> P\u00edsmeno \u201cp\u201d v rozl\u00ed\u0161en\u00ed 720p alebo 1080p ozna\u010duje vertik\u00e1lne pixely a znamen\u00e1 progres\u00edvne skenovanie (ka\u017ed\u00e1 sn\u00edmka sa vykresl\u00ed cel\u00e1, na rozdiel od star\u0161ieho prekladan\u00e9ho videa). Pojmy ako \u201c2K\u201d, \u201c4K\u201d a \u201c8K\u201d zhruba opisuj\u00fa po\u010det horizont\u00e1lnych pixelov - 4K m\u00e1 pribli\u017ene 4 000 horizont\u00e1lnych pixelov.<\/p>\n\n\n\n<p>Takmer v\u0161etky be\u017en\u00e9 streamovan\u00e9 vide\u00e1 pou\u017e\u00edvaj\u00fa \u0161tandardn\u00fd pomer str\u00e1n 16:9, hoci platformy s kr\u00e1tkymi form\u00e1tmi, ako s\u00fa TikTok a Instagram Reels, pou\u017e\u00edvaj\u00fa vertik\u00e1lne form\u00e1ty 9:16. Z\u00e1kladn\u00e1 pixelov\u00e1 matematika funguje rovnako.<\/p>\n\n\n\n<p>V\u00e4\u010d\u0161ina smartf\u00f3nov a telev\u00edzorov strednej triedy pred\u00e1van\u00fdch v rokoch 2020 a\u017e 2025 m\u00e1 rozl\u00ed\u0161enie displeja FHD alebo 4K. Rozl\u00ed\u0161enie 8K zost\u00e1va v\u00fdklenkom, ktor\u00fd sa nach\u00e1dza najm\u00e4 v pr\u00e9miov\u00fdch telev\u00edzoroch od <a href=\"https:\/\/blog.lebara.co.uk\/sk\/a-guide-to-the-best-budget-samsung-phones\/\">Samsung<\/a>, LG a Sony.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Definition_SD_480p_and_below\"><\/span>\u0160tandardn\u00e9 rozl\u00ed\u0161enie (SD: 480p a menej)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0160tandardn\u00e9 rozl\u00ed\u0161enie sa vz\u0165ahuje na rozl\u00ed\u0161enie ni\u017e\u0161ie ako 720p. Pri streamovac\u00edch slu\u017eb\u00e1ch to zvy\u010dajne znamen\u00e1 480p (854 \u00d7 480) alebo niekedy 360p (640 \u00d7 360) v re\u017eimoch extr\u00e9mnej \u00faspory d\u00e1t.<\/p>\n\n\n\n<p>Video SD je dostato\u010dne dobr\u00e9 na men\u0161\u00edch obrazovk\u00e1ch telef\u00f3nov alebo pri v\u00fdrazne obmedzenej \u0161\u00edrke p\u00e1sma, ale na modern\u00fdch po\u010d\u00edta\u010dov\u00fdch monitoroch, notebookoch a telev\u00edznych obrazovk\u00e1ch vyzer\u00e1 v\u00fdrazne m\u00e4kko alebo kostrbato. Jemn\u00e9 detaily, ako je text, v\u00fdrazy tv\u00e1re a vzdialen\u00e9 objekty, sa zobrazuj\u00fa rozmazane.<\/p>\n\n\n\n<p>SD vyu\u017e\u00edva najmenej d\u00e1t zo v\u0161etk\u00fdch \u00farovn\u00ed kvality - \u010dasto menej ako 1 GB za hodinu. Netflix, YouTube a Amazon Prime Video pon\u00fakaj\u00fa SD ako n\u00e1hradn\u00fa mo\u017enos\u0165 pre pomal\u0161ie internetov\u00e9 pripojenie alebo pou\u017e\u00edvate\u013eov s pr\u00edsnym d\u00e1tov\u00fdm limitom.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>SD vzniklo v \u00e9re DVD a ranej digit\u00e1lnej telev\u00edzie. Dnes je to v\u00e4\u010d\u0161inou n\u00e1hradn\u00e9 rie\u0161enie pre n\u00edzke d\u00e1tov\u00e9 limity alebo pre\u0165a\u017een\u00e9 siete, a nie z\u00e1mern\u00e1 vo\u013eba.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"High_Definition_HD_720p\"><\/span>Vysok\u00e9 rozl\u00ed\u0161enie (HD: 720p)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Rozl\u00ed\u0161enie HD 720p (1280 \u00d7 720 pixelov) bolo z\u00e1kladn\u00fdm rozl\u00ed\u0161en\u00edm s vysok\u00fdm rozl\u00ed\u0161en\u00edm, ktor\u00e9 sa za\u010dalo pou\u017e\u00edva\u0165 v prv\u00fdch telev\u00edzoroch HDTV pribli\u017ene v rokoch 2006 - 2010. Znamenalo v\u00fdrazn\u00fd skok v \u010distote obrazu v porovnan\u00ed s videom SD a dodnes sa be\u017ene pou\u017e\u00edva.<\/p>\n\n\n\n<p>Rozl\u00ed\u0161enie 720p n\u00e1jdete v cenovo v\u00fdhodn\u00fdch streamovac\u00edch pl\u00e1noch a mobiln\u00fdch streamoch v slu\u017eb\u00e1ch ako Netflix Basic, Disney+ a mo\u017enos\u0165 \u201c720p HD\u201d na YouTube. Mnoh\u00e9 aplik\u00e1cie predvolene nastavia 720p, ke\u010f zistia pomal\u0161ie internetov\u00e9 pripojenie alebo ke\u010f streamujete cez mobiln\u00e9 d\u00e1ta.<\/p>\n\n\n\n<p>HD zvy\u010dajne vyu\u017e\u00edva pribli\u017ene 1 a\u017e 3 GB za hodinu v z\u00e1vislosti od aplik\u00e1cie a kodeku, tak\u017ee je praktickou vo\u013ebou pre obmedzen\u00e9 d\u00e1tov\u00e9 pl\u00e1ny alebo men\u0161ie obrazovky.<\/p>\n\n\n\n<p>Tu je nie\u010do, \u010do stoj\u00ed za to vedie\u0165: na 5-6-palcovej obrazovke telef\u00f3nu dr\u017eanej na d\u013a\u017eku ruky v\u00e4\u010d\u0161ina div\u00e1kov nepostrehne v\u00fdrazn\u00fd rozdiel medzi 720p a 1080p. Obrazovka je jednoducho pr\u00edli\u0161 mal\u00e1 na to, aby va\u0161e o\u010di rozl\u00ed\u0161ili \u010fal\u0161ie detaily.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Full_High_Definition_FHD_1080p\"><\/span>Pln\u00e9 vysok\u00e9 rozl\u00ed\u0161enie (FHD: 1080p)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Rozl\u00ed\u0161enie Full HD 1920 \u00d7 1080 pixelov (1080p) sa pribli\u017ene od roku 2012 stalo de facto \u0161tandardom pre disky Blu-ray, v\u00e4\u010d\u0161inu monitorov po\u010d\u00edta\u010dov a mnoh\u00e9 telef\u00f3ny a telev\u00edzory. Na\u010falej je to celosvetovo najroz\u0161\u00edrenej\u0161ie rozl\u00ed\u0161enie pre streamovanie.<\/p>\n\n\n\n<p>Rozl\u00ed\u0161enie FHD poskytuje ostr\u00fd a detailn\u00fd obraz na notebookoch a telev\u00edzoroch s uhloprie\u010dkou do pribli\u017ene 50 palcov pri sledovan\u00ed z be\u017enej vzdialenosti od pohovky. Text je ostr\u00fd, tv\u00e1re zobrazuj\u00fa jemn\u00e9 detaily a vysokokvalitn\u00e9 vide\u00e1 vyzeraj\u00fa skuto\u010dne filmovo.<\/p>\n\n\n\n<p>Typick\u00e9 pou\u017e\u00edvanie d\u00e1tov\u00e9ho toku pre 1080p:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Netflix: ~3 GB\/hodinu<\/li>\n\n\n\n<li>YouTube: ~3-6 GB\/hodinu (l\u00ed\u0161i sa pod\u013ea d\u00e1tov\u00e9ho toku)<\/li>\n\n\n\n<li>Disney+: ~3-4 GB\/hodinu<\/li>\n<\/ul>\n\n\n\n<p>Mnoh\u00e9 aplik\u00e1cie ozna\u010duj\u00fa 1080p ako \u201cHD\u201d alebo \u201cFull HD\u201d, \u010do m\u00f4\u017ee by\u0165 m\u00e4t\u00face. Pr\u00e9miov\u00e9 pl\u00e1ny Netflix Standard, Amazon Prime a Hulu sa s\u00fastre\u010fuj\u00fa na 1080p ako predvolen\u00e9 maximum pre obsah, ktor\u00fd nie je v rozl\u00ed\u0161en\u00ed 4K.<\/p>\n\n\n\n<p>Pre v\u00e4\u010d\u0161inu scen\u00e1rov sledovania - notebooky, stolov\u00e9 monitory a telev\u00edzory s uhloprie\u010dkou men\u0161ou ako 50 palcov - poskytuje pln\u00e9 HD rozl\u00ed\u0161enie vynikaj\u00facu kvalitu obrazu bez nadmernej spotreby d\u00e1t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2K_QHD_1440p\"><\/span>2K \/ QHD \/ 1440p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Rozl\u00ed\u0161enie 1440p (typicky 2560 \u00d7 1440, \u010dasto naz\u00fdvan\u00e9 QHD alebo Quad HD) sa nach\u00e1dza medzi rozl\u00ed\u0161en\u00edm 1080p a 4K, a to tak ostros\u0165ou, ako aj spotrebou d\u00e1t. V spotrebite\u013eskom marketingu ho m\u00f4\u017eete vidie\u0165 pod n\u00e1zvom \u201c2K\u201d, hoci technicky sa 2K vz\u0165ahuje na trochu odli\u0161n\u00fd filmov\u00fd \u0161tandard (2048\u00d71080).<\/p>\n\n\n\n<p>Toto rozl\u00ed\u0161enie je be\u017en\u00e9 na hern\u00fdch monitoroch a niektor\u00fdch vlajkov\u00fdch lodiach so syst\u00e9mom Android od spolo\u010dnost\u00ed Samsung, OnePlus a Google. Pon\u00faka ostrej\u0161\u00ed obraz ako 1080p bez n\u00e1rokov na \u0161\u00edrku p\u00e1sma ako pln\u00e9 4K.<\/p>\n\n\n\n<p>Slu\u017eba YouTube podporuje streamovanie v rozl\u00ed\u0161en\u00ed 1440p na mnoh\u00fdch zariadeniach a je to ob\u013e\u00faben\u00e1 vo\u013eba pre hern\u00fd obsah, pri ktorom s\u00fa d\u00f4le\u017eit\u00e9 mimoriadne detaily. Slu\u017eby Netflix a Disney+ v\u0161ak zriedkakedy pon\u00fakaj\u00fa 1440p ako mo\u017enos\u0165 v\u00fdberu kvality - zvy\u010dajne prech\u00e1dzaj\u00fa priamo z 1080p na 4K.<\/p>\n\n\n\n<p>\u0160tvorrozmern\u00e9 vysok\u00e9 rozl\u00ed\u0161enie je vhodn\u00e9 pre hr\u00e1\u010dov po\u010d\u00edta\u010dov\u00fdch hier s r\u00fdchlym internetom, ktor\u00ed chc\u00fa lep\u0161iu kvalitu obrazu ako 1080p, ale nepotrebuj\u00fa alebo nem\u00f4\u017eu podporova\u0165 skuto\u010dn\u00e9 streamovanie v rozl\u00ed\u0161en\u00ed 4K.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ultra_High_Definition_4K_UHD_2160p\"><\/span>Ultra vysok\u00e9 rozl\u00ed\u0161enie (4K UHD: 2160p)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Rozl\u00ed\u0161enie 4K UHD s rozl\u00ed\u0161en\u00edm 3840 \u00d7 2160 pixelov poskytuje pribli\u017ene 8,3 mili\u00f3na pixelov na sn\u00edmku - presne \u0161tvorn\u00e1sobok po\u010dtu pixelov v porovnan\u00ed s rozl\u00ed\u0161en\u00edm 1080p. Pribli\u017ene od roku 2014 sa ultra vysok\u00e9 rozl\u00ed\u0161enie stalo pr\u00e9miov\u00fdm \u0161tandardom pre \u0161pi\u010dkov\u00e9 telev\u00edzory.<\/p>\n\n\n\n<p>4K si vy\u017eaduje podstatne v\u00e4\u010d\u0161iu \u0161\u00edrku p\u00e1sma a spotrebuje viac d\u00e1t: v\u00e4\u010d\u0161ina streamovac\u00edch slu\u017eieb spotrebuje 7-16 GB za hodinu na jeden stream v z\u00e1vislosti od kodeku a od toho, \u010di je zapnut\u00fd HDR (High Dynamic Range).<\/p>\n\n\n\n<p>Be\u017en\u00e9 aplik\u00e1cie a obsah na streamovanie v rozl\u00ed\u0161en\u00ed 4K v roku 2025:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Netflix<\/strong>: Pl\u00e1n 4K zah\u0155\u0148a hlavn\u00e9 origin\u00e1ly a licencovan\u00e9 filmy<\/li>\n\n\n\n<li><strong>Disney+<\/strong>: Obsah Marvel, Star Wars a Pixar v 4K HDR<\/li>\n\n\n\n<li><strong>Amazon Prime Video<\/strong>: V\u00e4\u010d\u0161ina origin\u00e1lov je k dispoz\u00edcii v rozl\u00ed\u0161en\u00ed 4K<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/blog.lebara.co.uk\/sk\/a-guide-to-the-top-iphones-for-business-and-pleasure\/\">Apple<\/a> TV+<\/strong>: Takmer v\u0161etok obsah v rozl\u00ed\u0161en\u00ed 4K Dolby Vision<\/li>\n\n\n\n<li><strong>YouTube<\/strong>: Rozsiahla kni\u017enica 4K od tvorcov<\/li>\n<\/ul>\n\n\n\n<p>Ak chcete skuto\u010dne vidie\u0165 v\u00fdhody rozl\u00ed\u0161enia 4K, potrebujete telev\u00edzor alebo monitor s rozl\u00ed\u0161en\u00edm 4K - ide\u00e1lne 50 palcov alebo v\u00e4\u010d\u0161\u00ed - a mus\u00edte sedie\u0165 dostato\u010dne bl\u00edzko. Na 55-palcovom telev\u00edzore pri poh\u013eade zo vzdialenosti 10 metrov je rozdiel medzi 4K a 1080p nepatrn\u00fd. Ak sa posuniete na vzdialenos\u0165 6-7 metrov, zlep\u0161enie bude zjavn\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8K_4320p\"><\/span>8K (4320p)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Rozl\u00ed\u0161enie 8K s rozl\u00ed\u0161en\u00edm 7680 \u00d7 4320 pixelov poskytuje pribli\u017ene 33 mili\u00f3nov pixelov na sn\u00edmku - \u0161tyrikr\u00e1t viac ako 4K a \u0161estn\u00e1s\u0165kr\u00e1t viac ako 1080p. Predstavuje \u0161pi\u010dkov\u00fa technol\u00f3giu spotrebite\u013esk\u00fdch displejov v roku 2025.<\/p>\n\n\n\n<p>Niektor\u00e9 pr\u00e9miov\u00e9 telev\u00edzory podporuj\u00fa rozl\u00ed\u0161enie 8K vr\u00e1tane modelov Samsung Neo QLED 8K a LG 8K OLED. Nat\u00edvny streamovan\u00fd obsah v rozl\u00ed\u0161en\u00ed 8K je v\u0161ak st\u00e1le ve\u013emi obmedzen\u00fd. Na YouTube sa nach\u00e1dzaj\u00fa niektor\u00e9 uk\u00e1\u017ekov\u00e9 filmy a dokumenty o pr\u00edrode v rozl\u00ed\u0161en\u00ed 8K, zatia\u013e \u010do hlavn\u00e9 predplatite\u013esk\u00e9 platformy ako Netflix, Disney+ a Amazon od roku 2025 obsah v rozl\u00ed\u0161en\u00ed 8K nepren\u00e1\u0161aj\u00fa.<\/p>\n\n\n\n<p>Po\u017eiadavky na 8K s\u00fa pr\u00edsne:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ve\u013emi r\u00fdchly optick\u00fd internet (\u010dasto minim\u00e1lne 80-100+ Mbps)<\/li>\n\n\n\n<li>Obrovsk\u00e1 spotreba d\u00e1t za hodinu (potenci\u00e1lne 20-40+ GB)<\/li>\n\n\n\n<li>Kompatibiln\u00fd telev\u00edzor 8K<\/li>\n\n\n\n<li>Obsah, ktor\u00fd bol skuto\u010dne nato\u010den\u00fd a zvl\u00e1dnut\u00fd v rozl\u00ed\u0161en\u00ed 8K<\/li>\n<\/ul>\n\n\n\n<p>Pre v\u00e4\u010d\u0161inu ob\u00fdva\u010dkov\u00fdch zost\u00e1v je vidite\u013en\u00fd pr\u00ednos oproti rozl\u00ed\u0161eniu 4K zanedbate\u013en\u00fd. Ak nem\u00e1te obrovsk\u00fa obrazovku (75 palcov alebo v\u00e4\u010d\u0161iu) a nesed\u00edte nezvy\u010dajne bl\u00edzko, va\u0161e o\u010di jednoducho nedok\u00e1\u017eu rozl\u00ed\u0161i\u0165 \u010fal\u0161ie detaily.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_resolution_bitrate_and_codecs_affect_your_data_usage\"><\/span>Ako rozl\u00ed\u0161enie, d\u00e1tov\u00fd tok a kodeky ovplyv\u0148uj\u00fa spotrebu d\u00e1t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Dva pr\u00fady 1080p m\u00f4\u017eu spotrebova\u0165 ve\u013emi rozdielne mno\u017estvo \u00fadajov. D\u00f4vodom je d\u00e1tov\u00fd tok a efektivita kodeku - faktory, ktor\u00e9 s\u00fa rovnako d\u00f4le\u017eit\u00e9 ako hrub\u00e9 rozl\u00ed\u0161enie pre kvalitu videa a v\u00e1\u0161 d\u00e1tov\u00fd pl\u00e1n.<\/p>\n\n\n\n<p><strong>D\u00e1tov\u00fd tok<\/strong> (meran\u00e9 v Mbps) predstavuje, ko\u013eko videod\u00e1t sa prenesie za sekundu. Vy\u0161\u0161\u00ed d\u00e1tov\u00fd tok vo v\u0161eobecnosti znamen\u00e1 lep\u0161iu \u010distotu obrazu a menej kompresn\u00fdch artefaktov, ale znamen\u00e1 aj v\u00e4\u010d\u0161\u00ed tok d\u00e1t cez va\u0161e pripojenie.<\/p>\n\n\n\n<p>Typick\u00e9 rozsahy d\u00e1tov\u00e9ho toku v roku 2025 pre hlavn\u00e9 platformy:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Rozl\u00ed\u0161enie<\/th><th>Typick\u00fd rozsah d\u00e1tov\u00e9ho toku<\/th><th>\u00dadaje za hodinu<\/th><\/tr><tr><td>720p<\/td><td>2-4 Mbps<\/td><td>~1-2 GB<\/td><\/tr><tr><td>1080p<\/td><td>4-8 Mbps<\/td><td>~2-4 GB<\/td><\/tr><tr><td>4K SDR<\/td><td>12-20 Mbps<\/td><td>~5-9 GB<\/td><\/tr><tr><td>4K HDR<\/td><td>15-25 Mbps<\/td><td>~7-12 GB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Kodeky<\/strong> s\u00fa kompresn\u00e9 algoritmy, ktor\u00e9 zmen\u0161uj\u00fa video s\u00fabory na prenos. Modern\u00e9 kodeky ako H.265\/HEVC a AV1 s\u00fa podstatne \u00fa\u010dinnej\u0161ie ako star\u0161\u00ed \u0161tandard H.264:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>H.264\/AVC<\/strong>: Univerz\u00e1lna z\u00e1klad\u0148a. Podporuje ju ka\u017ed\u00e9 zariadenie, ale je najmenej efekt\u00edvna.<\/li>\n\n\n\n<li><strong>H.265\/HEVC<\/strong>: Pribli\u017ene 40-50% \u00fa\u010dinnej\u0161\u00ed ako H.264. Tok 4K, ktor\u00fd potrebuje 20 Mb\/s v H.264, m\u00f4\u017ee v HEVC vyzera\u0165 podobne pri 10-12 Mb\/s.<\/li>\n\n\n\n<li><strong>AV1<\/strong>: Najnov\u0161\u00ed mainstreamov\u00fd kodek, pribli\u017ene o 30-50% \u00fa\u010dinnej\u0161\u00ed ako HEVC. Hlavn\u00e9 slu\u017eby ho zav\u00e1dzaj\u00fa pre obsah 4K.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Vysoko\u00fa\u010dinn\u00e9 k\u00f3dovanie videa (HEVC) a AV1 dok\u00e1\u017eu \u00fa\u010dinne zn\u00ed\u017ei\u0165 spotrebu d\u00e1t na polovicu v porovnan\u00ed so star\u0161\u00edm form\u00e1tom H.264 pri zachovan\u00ed podobnej kvality videa. Nov\u0161ie inteligentn\u00e9 telev\u00edzory a aplik\u00e1cie \u010doraz \u010dastej\u0161ie predvolene pou\u017e\u00edvaj\u00fa tieto efekt\u00edvne kodeky.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Jednoduch\u00e1 konverzia \u00fadajov na pochopenie:<\/strong><\/p>\n\n\n\n<p>5 Mbps \u00d7 3 600 sek\u00fand\/hodinu \u00f7 8 bitov\/byte \u00f7 1 000 = pribli\u017ene 2,25 GB za hodinu<\/p>\n\n\n\n<p>Tento vzorec vysvet\u013euje, pre\u010do stream 4K s r\u00fdchlos\u0165ou 10 Mb\/s spotrebuje pribli\u017ene 4,5 GB za hodinu, zatia\u013e \u010do stream s r\u00fdchlos\u0165ou 20 Mb\/s t\u00fato hodnotu zdvojn\u00e1sob\u00ed na 9 GB za hodinu.<\/p>\n\n\n\n<p>Z\u00e1le\u017e\u00ed aj na sn\u00edmkovej frekvencii. Streamovanie pri 60 fps (sn\u00edmkach za sekundu) si vy\u017eaduje pribli\u017ene dvojn\u00e1sobok d\u00e1t v porovnan\u00ed s obsahom s 30 fps pri rovnakom rozl\u00ed\u0161en\u00ed a kodeku. \u0160port, hern\u00fd obsah a niektor\u00e9 ak\u010dn\u00e9 filmy sa pren\u00e1\u0161aj\u00fa pri vy\u0161\u0161ej sn\u00edmkovej frekvencii, \u010d\u00edm sa zvy\u0161uje spotreba d\u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_resolutions_and_formats_popular_apps_use_Netflix_YouTube_Disney_and_more\"><\/span>Ak\u00e9 rozl\u00ed\u0161enia a form\u00e1ty pou\u017e\u00edvaj\u00fa popul\u00e1rne aplik\u00e1cie (Netflix, YouTube, Disney+ a \u010fal\u0161ie)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>R\u00f4zne platformy na streamovanie sprac\u00favaj\u00fa kvalitu videa r\u00f4znymi sp\u00f4sobmi. To, \u010do skuto\u010dne prij\u00edmate, z\u00e1vis\u00ed od typu zariadenia, predplatn\u00e9ho pl\u00e1nu, regi\u00f3nu a r\u00fdchlosti pripojenia v re\u00e1lnom \u010dase. Tu n\u00e1jdete inform\u00e1cie o tom, ako funguj\u00fa hlavn\u00e9 slu\u017eby v roku 2025.<\/p>\n\n\n\n<p>V\u00e4\u010d\u0161ina aplik\u00e1ci\u00ed automaticky upravuje rozl\u00ed\u0161enie na z\u00e1klade \u0161\u00edrky p\u00e1sma, tak\u017ee skuto\u010dn\u00e1 kvalita m\u00f4\u017ee po\u010das vysielania kol\u00edsa\u0165. Prenos v rozl\u00ed\u0161en\u00ed 4K m\u00f4\u017ee po\u010das pre\u0165a\u017eenia siete klesn\u00fa\u0165 na 1080p alebo ni\u017e\u0161ie a potom sa op\u00e4\u0165 zv\u00fd\u0161i\u0165, ke\u010f sa podmienky zlep\u0161ia.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Netflix\"><\/span>Netflix<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Netflix via\u017ee rozl\u00ed\u0161enie videa na \u00farovne predplatn\u00e9ho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0160tandardn\u00e9 s reklamami \/ Z\u00e1kladn\u00e9<\/strong>: Obmedzenie na SD (480p) alebo 720p v z\u00e1vislosti od pl\u00e1nu a zariadenia<\/li>\n\n\n\n<li><strong>\u0160tandard<\/strong>: Rozl\u00ed\u0161enie a\u017e 1080p Full HD<\/li>\n\n\n\n<li><strong>Pr\u00e9miov\u00e9<\/strong>: Rozl\u00ed\u0161enie a\u017e do 4K UHD s HDR (Dolby Vision alebo HDR10)<\/li>\n<\/ul>\n\n\n\n<p>Netflix pou\u017e\u00edva adapt\u00edvne streamovanie s kodekmi H.264 a H.265\/HEVC a AV1 na nov\u0161\u00edch inteligentn\u00fdch telev\u00edzoroch a zariadeniach so syst\u00e9mom Android. Zavedenie AV1 pom\u00e1ha zn\u00ed\u017ei\u0165 spotrebu d\u00e1t pri zachovan\u00ed lep\u0161ej kvality obrazu.<\/p>\n\n\n\n<p>Zverejnen\u00e9 odhady vyu\u017e\u00edvania d\u00e1t spolo\u010dnosti Netflix:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SD: ~1 GB\/hodinu<\/li>\n\n\n\n<li>HD: ~3 GB\/hod.<\/li>\n\n\n\n<li>4K UHD: ~7 GB\/hod.<\/li>\n<\/ul>\n\n\n\n<p>Mnoh\u00e9 p\u00f4vodn\u00e9 filmy spolo\u010dnosti Netflix vydan\u00e9 po roku 2017 s\u00fa v r\u00e1mci pl\u00e1nu Premium dostupn\u00e9 v rozl\u00ed\u0161en\u00ed 4K a HDR. Ak chcete \u0161etri\u0165 \u0161\u00edrku p\u00e1sma, aplik\u00e1cia v\u00e1m umo\u017e\u0148uje nastavi\u0165 \u201cVyu\u017eitie d\u00e1t na obrazovku\u201d tak, aby ste vyn\u00fatili ni\u017e\u0161ie rozl\u00ed\u0161enie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"YouTube\"><\/span>YouTube<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>YouTube podporuje naj\u0161ir\u0161\u00ed rozsah rozl\u00ed\u0161en\u00ed spomedzi hlavn\u00fdch platforiem - od 144p a\u017e po 8K (4320p). Dostupn\u00e9 mo\u017enosti z\u00e1visia od toho, \u010do tvorca nahral, a od mo\u017enost\u00ed v\u00e1\u0161ho zariadenia.<\/p>\n\n\n\n<p>YouTube je hlavnou destin\u00e1ciou pre obsah v rozl\u00ed\u0161en\u00ed 1440p a 4K, najm\u00e4 pre hern\u00e9, technick\u00e9 recenzie a filmov\u00e9 kan\u00e1ly. Platforma agres\u00edvne prijala kodeky VP9 a AV1 pre video s vysok\u00fdm rozl\u00ed\u0161en\u00edm a vy\u0161\u0161\u00edm.<\/p>\n\n\n\n<p>Div\u00e1ci si m\u00f4\u017eu manu\u00e1lne vybra\u0165 rozl\u00ed\u0161enie (720p, 1080p, 1440p, 2160p at\u010f.) alebo pou\u017ei\u0165 re\u017eim \u201cAuto\u201d, ktor\u00fd sa prisp\u00f4sob\u00ed na z\u00e1klade \u0161\u00edrky p\u00e1sma a rozl\u00ed\u0161enia obrazovky.<\/p>\n\n\n\n<p>Obsah YouTube v rozl\u00ed\u0161en\u00ed 4K a 8K m\u00f4\u017ee spotrebova\u0165 podstatne viac d\u00e1t ako predplaten\u00e9 slu\u017eby - 10 a\u017e 20 GB za hodinu pri vy\u0161\u0161\u00edch prenosov\u00fdch r\u00fdchlostiach - preto\u017ee YouTube \u010dasto k\u00f3duje s vy\u0161\u0161\u00edmi prenosov\u00fdmi r\u00fdchlos\u0165ami, aby uspokojil o\u010dak\u00e1vania tvorcov a div\u00e1kov t\u00fdkaj\u00face sa ostrosti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Disney\"><\/span>Disney+<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Slu\u017eba Disney+ vo v\u00e4\u010d\u0161ine regi\u00f3nov spravidla pon\u00faka HD a 4K UHD v r\u00e1mci jednej \u00farovne predplatn\u00e9ho (hoci \u00farovne podporovan\u00e9 reklamou m\u00f4\u017eu ma\u0165 obmedzenia). Popul\u00e1rne fran\u0161\u00edzy - Marvel, Star Wars, Pixar, National Geographic - sa zvy\u010dajne streamuj\u00fa v 4K HDR, ak to va\u0161e zariadenie a pripojenie podporuje.<\/p>\n\n\n\n<p>Orienta\u010dn\u00e9 vyu\u017eitie \u00fadajov:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HD: ~3-4 GB\/hod.<\/li>\n\n\n\n<li>4K: ~7-15 GB\/hodinu (v z\u00e1vislosti od HDR a kodeku)<\/li>\n<\/ul>\n\n\n\n<p>V telef\u00f3noch a tabletoch m\u00f4\u017ee ma\u0165 slu\u017eba Disney+ predvolen\u00e9 ni\u017e\u0161ie rozl\u00ed\u0161enie, aby sa \u0161etrili mobiln\u00e9 d\u00e1ta. Pou\u017e\u00edvatelia m\u00f4\u017eu upravi\u0165 nastavenia kvality \u201clen Wi-Fi\u201d a \u201cmobiln\u00e9 d\u00e1ta\u201d, aby toto spr\u00e1vanie kontrolovali.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Amazon_Prime_Video\"><\/span>Amazon Prime Video<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Slu\u017eba Prime Video obsahuje obsah v rozl\u00ed\u0161en\u00ed SD, HD a 4K UHD, pri\u010dom 4K je zvy\u010dajne na kompatibiln\u00fdch zariadeniach k dispoz\u00edcii bez \u010fal\u0161\u00edch poplatkov. Spolo\u010dnos\u0165 Amazon ozna\u010duje obsah v rozl\u00ed\u0161en\u00ed 4K v katal\u00f3gu \u0161t\u00edtkom \u201cUHD\u201d.<\/p>\n\n\n\n<p>Mnoh\u00e9 origin\u00e1lne filmy Amazonu sa vysielaj\u00fa v rozl\u00ed\u0161en\u00ed 4K HDR so zvukom Dolby Atmos. Platforma vyu\u017e\u00edva adapt\u00edvny d\u00e1tov\u00fd tok s HEVC na v\u00e4\u010d\u0161ine zariaden\u00ed podporuj\u00facich 4K.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Star\u0161ie telev\u00edzory alebo niektor\u00e9 prehliada\u010de m\u00f4\u017eu obmedzi\u0165 prenosy na 720p alebo 1080p, aj ke\u010f je titul ozna\u010den\u00fd ako UHD. Ak sa v\u00e1m nezobrazuje o\u010dak\u00e1van\u00e1 kvalita, skontrolujte str\u00e1nku kompatibility zariaden\u00ed spolo\u010dnosti Amazon.<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Apple_TV\"><\/span>Apple TV+<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Apple TV+ kladie d\u00f4raz na pr\u00e9miov\u00fa kvalitu a takmer v\u0161etok p\u00f4vodn\u00fd obsah je k dispoz\u00edcii v rozl\u00ed\u0161en\u00ed 4K HDR (Dolby Vision). Slu\u017eba uprednost\u0148uje kvalitu obrazu a pou\u017e\u00edva efekt\u00edvne k\u00f3dovanie HEVC s relat\u00edvne vysok\u00fdm d\u00e1tov\u00fdm tokom.<\/p>\n\n\n\n<p>Toto zameranie na kvalitu znamen\u00e1, \u017ee Apple TV+ m\u00f4\u017ee pri rozl\u00ed\u0161en\u00ed 4K spotrebova\u0165 viac d\u00e1t za hodinu ako niektor\u00ed konkurenti - ale v\u00fdsledn\u00e9 video \u010dasto vyzer\u00e1 v\u00fdrazne ostro a detailne.<\/p>\n\n\n\n<p>V iPhonu a iPade Apple TV+ automaticky zni\u017euje rozl\u00ed\u0161enie na z\u00e1klade kvality pripojenia a nastavenia \u201cN\u00edzkod\u00e1tov\u00e9ho re\u017eimu\u201d. Na zariaden\u00ed, ktor\u00e9 nedok\u00e1\u017ee zobrazi\u0165 rozl\u00ed\u0161enie 4K, ho neuvid\u00edte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Hulu_Max_HBO_and_other_regional_services\"><\/span>Hulu, Max (HBO) a \u010fal\u0161ie region\u00e1lne slu\u017eby<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Hulu, Max (predt\u00fdm HBO Max) a region\u00e1lne platformy ako BBC iPlayer, Hotstar a Canal+ pon\u00fakaj\u00fa na nov\u0161\u00edch zariadeniach predov\u0161etk\u00fdm HD a 4K.<\/p>\n\n\n\n<p>Rozl\u00ed\u0161enie 4K je zvy\u010dajne vyhraden\u00e9 pre nov\u0161ie seri\u00e1ly, filmov\u00e9 trh\u00e1ky a \u0161portov\u00fd obsah, zatia\u013e \u010do star\u0161ie katal\u00f3gov\u00e9 tituly m\u00f4\u017eu by\u0165 obmedzen\u00e9 na 720p alebo 1080p. Ka\u017ed\u00e1 slu\u017eba si vedie vlastn\u00fd zoznam zariaden\u00ed kompatibiln\u00fdch so 4K a HDR - aktu\u00e1lne inform\u00e1cie n\u00e1jdete na str\u00e1nkach podpory poskytovate\u013ea.<\/p>\n\n\n\n<p>Vzorce vyu\u017e\u00edvania d\u00e1t zhruba kop\u00edruj\u00fa Netflix a Disney+: vy\u0161\u0161ie rozl\u00ed\u0161enie a HDR sa rovn\u00e1 v\u00e4\u010d\u0161iemu objemu d\u00e1t, najm\u00e4 pri streamovan\u00ed na ve\u013ek\u00e9 telev\u00edzne obrazovky.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_resolution_choices_impact_your_data_plan_and_internet_speed\"><\/span>Ako v\u00fdber rozl\u00ed\u0161enia ovplyv\u0148uje v\u00e1\u0161 d\u00e1tov\u00fd pl\u00e1n a r\u00fdchlos\u0165 internetu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Streamovanie je \u010dasto najv\u00e4\u010d\u0161\u00edm zdrojom vyu\u017e\u00edvania d\u00e1t v dom\u00e1cnostiach a na mobiln\u00fdch zariadeniach. Rozl\u00ed\u0161enie videa je najsilnej\u0161ou p\u00e1kou, ktor\u00fa m\u00f4\u017eete ovl\u00e1da\u0165.<\/p>\n\n\n\n<p><strong>Mesa\u010dn\u00fd vplyv \u00fadajov pod\u013ea n\u00e1vykov sledovania:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th>Denn\u00e9 sledovanie<\/th><th>720p<\/th><th>1080p<\/th><th>4K<\/th><\/tr><tr><td>1 hodina\/de\u0148<\/td><td>~45 GB\/mesiac<\/td><td>~90 GB\/mesiac<\/td><td>~210 GB\/mesiac<\/td><\/tr><tr><td>2 hodiny\/de\u0148<\/td><td>~90 GB\/mesiac<\/td><td>~180 GB\/mesiac<\/td><td>~420 GB\/mesiac<\/td><\/tr><tr><td>4 hodiny\/de\u0148<\/td><td>~180 GB\/mesiac<\/td><td>~360 GB\/mesiac<\/td><td>~840 GB\/mesiac<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Tieto \u010d\u00edsla sa r\u00fdchlo s\u010d\u00edtaj\u00fa. Dom\u00e1cnos\u0165, ktor\u00e1 denne streamuje 2 hodiny obsahu v rozl\u00ed\u0161en\u00ed 4K, m\u00f4\u017ee len na samotn\u00e9 streamovanie vynalo\u017ei\u0165 viac ako 400 GB mesa\u010dne - pred zapo\u010d\u00edtan\u00edm hier, videohovorov, s\u0165ahovania a in\u00e9ho vyu\u017e\u00edvania internetu.<\/p>\n\n\n\n<p><strong>Dom\u00e1ce \u0161irokop\u00e1smov\u00e9 pripojenie v porovnan\u00ed s mobiln\u00fdmi pl\u00e1nmi:<\/strong><\/p>\n\n\n\n<p>Neobmedzen\u00e9 dom\u00e1ce \u0161irokop\u00e1smov\u00e9 pripojenie absorbuje streamovanie vo vysokom rozl\u00ed\u0161en\u00ed bez pok\u00fat. Mnoh\u00e9 mobiln\u00e9 tarify - dokonca aj tie \u201cneobmedzen\u00e9\u201d - v\u0161ak zni\u017euj\u00fa r\u00fdchlos\u0165 po 50-100 GB vysokor\u00fdchlostn\u00fdch d\u00e1t. Po obmedzen\u00ed m\u00f4\u017ee by\u0165 va\u0161e pripojenie pr\u00edli\u0161 pomal\u00e9 na rozl\u00ed\u0161enie 1080p, \u010do n\u00fati aplik\u00e1cie zn\u00ed\u017ei\u0165 rozl\u00ed\u0161enie na SD.<\/p>\n\n\n\n<p>Mnoh\u00ed poskytovatelia internetov\u00fdch slu\u017eieb tie\u017e obmedzuj\u00fa dom\u00e1ce pripojenia v \u010dase \u0161pi\u010dky alebo po vysokom vyu\u017eit\u00ed. To m\u00f4\u017ee prin\u00fati\u0165 aplik\u00e1cie, aby uprostred prenosu zn\u00ed\u017eili rozl\u00ed\u0161enie zo 4K na 1080p, \u010do sp\u00f4sob\u00ed vidite\u013en\u00e9 zmeny kvality.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Dom\u00e1cnosti s viacer\u00fdmi s\u00fabe\u017en\u00fdmi streamami, hrami a videohovormi profituj\u00fa z redukcie rozl\u00ed\u0161enia na menej kritick\u00fdch zariadeniach. Sledovanie sitkomu v rozl\u00ed\u0161en\u00ed 720p na tablete, zatia\u013e \u010do niekto in\u00fd hr\u00e1 online hry, m\u00f4\u017ee zabr\u00e1ni\u0165 vyrovn\u00e1vacej pam\u00e4ti pre oboch.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Choosing_the_right_resolution_for_different_devices_and_situations\"><\/span>V\u00fdber spr\u00e1vneho rozl\u00ed\u0161enia pre r\u00f4zne zariadenia a situ\u00e1cie<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ide\u00e1lne rozl\u00ed\u0161enie z\u00e1vis\u00ed nielen od \u00fadajov, ale aj od ve\u013ekosti obrazovky, vzdialenosti sledovania a od toho, \u010do pr\u00e1ve sledujete.<\/p>\n\n\n\n<p><strong>Usmernenia pod\u013ea typu zariadenia:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Smartf\u00f3ny (5-7 palcov)<\/strong>: 480p-1080p. Vy\u0161\u0161ie rozl\u00ed\u0161enie plytv\u00e1 d\u00e1tami na obrazovk\u00e1ch, ktor\u00e9 s\u00fa pr\u00edli\u0161 mal\u00e9 na zobrazenie rozdielu.<\/li>\n\n\n\n<li><strong>Tablety (8-12 palcov)<\/strong>: 720p-1080p poskytuje ostr\u00e9 detaily bez nadmern\u00e9ho mno\u017estva d\u00e1t.<\/li>\n\n\n\n<li><strong>Prenosn\u00e9 po\u010d\u00edta\u010de (13-17 palcov)<\/strong>: Rozl\u00ed\u0161enie 1080p je prirodzen\u00e9 pre v\u00e4\u010d\u0161inu obrazoviek notebookov.<\/li>\n\n\n\n<li><strong>Telev\u00edzory s uhloprie\u010dkou do 43 palcov<\/strong>: 1080p vyzer\u00e1 ostro pri be\u017en\u00fdch pozorovac\u00edch vzdialenostiach.<\/li>\n\n\n\n<li><strong>Ve\u013ek\u00e9 telev\u00edzory 4K (55 a viac palcov)<\/strong>: Minim\u00e1lne 1080p; 4K, ak to \u0161\u00edrka p\u00e1sma a d\u00e1ta umo\u017e\u0148uj\u00fa.<\/li>\n<\/ul>\n\n\n\n<p><strong>Z\u00e1le\u017e\u00ed aj na type obsahu:<\/strong><\/p>\n\n\n\n<p>Dokument\u00e1rne filmy o pr\u00edrode, filmov\u00e9 filmy a \u0161porty s jemn\u00fdmi detailmi (tr\u00e1va, tv\u00e1re div\u00e1kov, r\u00fdchly pohyb) najviac profituj\u00fa z vy\u0161\u0161ieho rozl\u00ed\u0161enia. V rel\u00e1ci\u00e1ch s hovoriacimi hlavami, kreslen\u00fdch filmoch a star\u0161om obsahu je zlep\u0161enie minim\u00e1lne - niekedy \u017eiadne.<\/p>\n\n\n\n<p><strong>Pravidl\u00e1 pre zobrazovaciu vzdialenos\u0165:<\/strong><\/p>\n\n\n\n<p>\u010c\u00edm bli\u017e\u0161ie sed\u00edte k obrazovke vzh\u013eadom na jej ve\u013ekos\u0165, t\u00fdm v\u00e4\u010d\u0161\u00ed v\u00fdznam m\u00e1 rozl\u00ed\u0161enie. Pri be\u017enej vzdialenosti v ob\u00fdva\u010dke (8-10 metrov od 55-palcov\u00e9ho telev\u00edzora) mnoh\u00ed \u013eudia nedok\u00e1\u017eu rozl\u00ed\u0161i\u0165 4K od 1080p. Ak sa posuniete na vzdialenos\u0165 5-6 metrov, v\u00fdhoda rozl\u00ed\u0161enia 4K bude jasn\u00e1.<\/p>\n\n\n\n<p>Predstavte si to takto: ke\u010f sed\u00edte 10 metrov od 50-palcov\u00e9ho telev\u00edzora, ka\u017ed\u00fd pixel 4K je men\u0161\u00ed, ne\u017e dok\u00e1\u017ee va\u0161e oko rozl\u00ed\u0161i\u0165. Tieto mili\u00f3ny pixelov navy\u0161e sa st\u00e1vaj\u00fa zbyto\u010dn\u00fdmi detailmi videa, za ktor\u00e9 ste zaplatili za d\u00e1tov\u00fd pau\u0161\u00e1l, ale ktor\u00e9 va\u0161e o\u010di nikdy nevideli.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Practical_tips_how_to_control_streaming_quality_and_save_data\"><\/span>Praktick\u00e9 tipy: ako kontrolova\u0165 kvalitu streamovania a \u0161etri\u0165 \u00fadaje<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Tu je kontroln\u00fd zoznam opatren\u00ed, ktor\u00e9 m\u00f4\u017eete vykona\u0165 hne\u010f teraz na optimaliz\u00e1ciu streamovania a vyu\u017e\u00edvania d\u00e1t.<\/p>\n\n\n\n<p><strong>Vyh\u013eadajte a upravte nastavenia kvality videa:<\/strong><\/p>\n\n\n\n<p>V\u00e4\u010d\u0161ina aplik\u00e1ci\u00ed pochov\u00e1va ovl\u00e1dacie prvky kvality v Nastaveniach \u2192 Prehr\u00e1vanie alebo Kvalita videa. H\u013eadajte mo\u017enosti ozna\u010den\u00e9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u201cData Saver\u201d alebo \u201cLow\u201d (vyn\u00fati SD\/720p)<\/li>\n\n\n\n<li>\u201cAutomaticky\u201d (nech\u00e1 aplik\u00e1ciu rozhodn\u00fa\u0165 na z\u00e1klade pripojenia)<\/li>\n\n\n\n<li>\u201cVysok\u00e1\u201d alebo \u201cNajlep\u0161ia kvalita\u201d (umo\u017e\u0148uje 4K, ak je k dispoz\u00edcii)<\/li>\n<\/ul>\n\n\n\n<p><strong>Nastavenie r\u00f4znych predvolen\u00fdch nastaven\u00ed pre mobiln\u00e9 zariadenia a Wi-Fi:<\/strong><\/p>\n\n\n\n<p>Na Netflixe: Na YouTube: Nastavenia \u2192 Vyu\u017e\u00edvanie mobiln\u00fdch d\u00e1t \u2192 vyberte \u201cUlo\u017ei\u0165 d\u00e1ta\u201d pre mobiln\u00fd telef\u00f3n: Na Disney+: Nastavenia \u2192 Predvo\u013eby kvality videa \u2192 samostatn\u00e9 ovl\u00e1danie pre mobil a Wi-Fi: Nastavenia aplik\u00e1cie \u2192 Vyu\u017eitie mobiln\u00fdch d\u00e1t \u2192 prep\u00edna\u010d obmedzen\u00ed<\/p>\n\n\n\n<p><strong>Stiahnu\u0165 na prezeranie offline:<\/strong><\/p>\n\n\n\n<p>Ke\u010f cestujete alebo doch\u00e1dzate do pr\u00e1ce, s\u0165ahujte programy cez Wi-Fi v po\u017eadovanej kvalite. Pri sledovan\u00ed stiahnut\u00e9ho obsahu sa spotrebuj\u00fa nulov\u00e9 mno\u017estvo mobiln\u00fdch d\u00e1t - aj ke\u010f ide o 4K. V\u00e4\u010d\u0161ina aplik\u00e1ci\u00ed v\u00e1m umo\u017e\u0148uje vybra\u0165 si kvalitu s\u0165ahovania (n\u00edzka, stredn\u00e1, vysok\u00e1).<\/p>\n\n\n\n<p><strong>Vypnite funkciu \u201cV\u017edy najvy\u0161\u0161ia kvalita\u201d na telev\u00edzoroch:<\/strong><\/p>\n\n\n\n<p>Ak \u0161\u00edrka p\u00e1sma kol\u00ed\u0161e, vynucovanie maxim\u00e1lnej kvality sp\u00f4sobuje vyrovn\u00e1vanie a pokles kvality. Ak nech\u00e1te aplik\u00e1ciu, aby sa automaticky prisp\u00f4sobila, dosiahnete plynulej\u0161ie prehr\u00e1vanie, aj ke\u010f s\u00fa niektor\u00e9 momenty v ni\u017e\u0161om rozl\u00ed\u0161en\u00ed.<\/p>\n\n\n\n<p><strong>Sledujte svoje skuto\u010dn\u00e9 pou\u017e\u00edvanie:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Skontrolujte \u0161tatistiky vyu\u017e\u00edvania d\u00e1t na routeri (mnoh\u00e9 modern\u00e9 routery to sleduj\u00fa)<\/li>\n\n\n\n<li>Presk\u00famajte preh\u013ead o pou\u017e\u00edvan\u00ed u poskytovate\u013ea internetov\u00fdch slu\u017eieb alebo mobiln\u00e9ho oper\u00e1tora<\/li>\n\n\n\n<li>Porovnajte mesiace, v ktor\u00fdch ste intenz\u00edvne streamovali v rozl\u00ed\u0161en\u00ed 4K oproti 1080p<\/li>\n<\/ul>\n\n\n\n<p>Ak by v\u00e1m zn\u00ed\u017eenie rozl\u00ed\u0161enia zo 4K na 1080p u\u0161etrilo poplatky za prekro\u010denie alebo obmedzenie, tento kompromis m\u00e1 \u010dasto zmysel - najm\u00e4 v pr\u00edpade videoobsahu s n\u00edzkym rozl\u00ed\u0161en\u00edm, ako s\u00fa star\u0161ie seri\u00e1ly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ_common_questions_about_HD_FHD_4K_and_8K_streaming\"><\/span>\u010casto kladen\u00e9 ot\u00e1zky: \u010dast\u00e9 ot\u00e1zky o streamovan\u00ed v rozl\u00ed\u0161en\u00ed HD, FHD, 4K a 8K<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>Stoj\u00ed 4K za to, ak m\u00e1m internet s r\u00fdchlos\u0165ou len 25 Mb\/s?<\/strong><\/p>\n\n\n\n<p>\u00c1no, 25 Mb\/s zvl\u00e1dne jeden stream 4K z v\u00e4\u010d\u0161iny slu\u017eieb, hoci pre in\u00e9 zariadenia nebudete ma\u0165 ve\u013ea priestoru. Ak streamuje viac \u013eud\u00ed s\u00fa\u010dasne alebo hr\u00e1te online hry, m\u00f4\u017ee sa vyskytn\u00fa\u0165 vyrovn\u00e1vacia pam\u00e4\u0165. Za predvolen\u00e9 rozl\u00ed\u0161enie pova\u017eujte 1080p a 4K si vyhra\u010fte na samostatn\u00e9 sledovanie.<\/p>\n\n\n\n<p><strong>Vid\u00edm rozdiel medzi 1080p a 4K na 40-palcovom telev\u00edzore?<\/strong><\/p>\n\n\n\n<p>Pri be\u017enej pozorovacej vzdialenosti (7-10 metrov) je rozdiel na 40-palcovej obrazovke pre v\u00e4\u010d\u0161inu \u013eud\u00ed nepatrn\u00fd a\u017e nevidite\u013en\u00fd. V\u00fdhoda 4K je vidite\u013en\u00e1 na 55-palcov\u00fdch a v\u00e4\u010d\u0161\u00edch obrazovk\u00e1ch alebo pri seden\u00ed neobvykle bl\u00edzko. V pr\u00edpade men\u0161\u00edch telev\u00edzorov poskytuje 1080p vynikaj\u00face rozl\u00ed\u0161enie obrazu bez straty d\u00e1t.<\/p>\n\n\n\n<p><strong>Pre\u010do sa v aplik\u00e1cii zobrazuje rozl\u00ed\u0161enie 4K, ale obraz je st\u00e1le m\u00e4kk\u00fd?<\/strong><\/p>\n\n\n\n<p>D\u00f4vodov je nieko\u013eko: zdrojov\u00fd obsah mohol by\u0165 nato\u010den\u00fd v ni\u017e\u0161om rozl\u00ed\u0161en\u00ed a zv\u00e4\u010d\u0161en\u00fd, mohlo d\u00f4js\u0165 k v\u00fdpadku internetov\u00e9ho pripojenia, \u010do sp\u00f4sobilo, \u017ee sa aplik\u00e1cia vyrovn\u00e1vala v zn\u00ed\u017eenej kvalite, alebo obsah vyu\u017e\u00edva siln\u00fa kompresiu na \u00fasporu \u0161\u00edrky p\u00e1sma. Skontrolujte r\u00fdchlos\u0165 pripojenia a sk\u00faste re\u0161tartova\u0165 stream.<\/p>\n\n\n\n<p><strong>Ko\u013eko d\u00e1t vyu\u017e\u00edva Netflix v rozl\u00ed\u0161en\u00ed 4K a HD?<\/strong><\/p>\n\n\n\n<p>Netflix odhaduje pribli\u017ene 3 GB za hodinu pre HD (1080p) a 7 GB za hodinu pre 4K UHD. Skuto\u010dn\u00e9 vyu\u017eitie sa l\u00ed\u0161i v z\u00e1vislosti od typu obsahu, HDR a kodeku, ktor\u00fd va\u0161e zariadenie prij\u00edma.<\/p>\n\n\n\n<p><strong>Ako m\u00f4\u017eem skontrolova\u0165, ak\u00e9 rozl\u00ed\u0161enie sa mi pri streamovan\u00ed skuto\u010dne zobrazuje?<\/strong><\/p>\n\n\n\n<p>V slu\u017ebe Netflix: \u0164uknite na obrazovku a vyh\u013eadajte odznaky \u201cHD\u201d alebo \u201c4K\u201d. V slu\u017ebe YouTube: \u0164uknite na zariadenie s nastaveniami a zobrazte aktu\u00e1lnu kvalitu prehr\u00e1vania. V\u00e4\u010d\u0161ina aplik\u00e1ci\u00ed smart TV zobrazuje aktu\u00e1lne rozl\u00ed\u0161enie v ponuke \u201c\u0160tatistiky pre nerdov\u201d alebo v ponuke ladenia. Pokyny pre konkr\u00e9tne zariadenie n\u00e1jdete v \u010dasti n\u00e1povedy aplik\u00e1cie.<\/p>\n\n\n\n<p><strong>Existuje u\u017e v roku 2025 streamovanie v rozl\u00ed\u0161en\u00ed 8K v slu\u017ebe Netflix alebo Disney+?<\/strong><\/p>\n\n\n\n<p>Od roku 2025 Netflix ani Disney+ nepon\u00fakaj\u00fa streamovanie v rozl\u00ed\u0161en\u00ed 8K. Hlavnou platformou s obsahom v rozl\u00ed\u0161en\u00ed 8K je YouTube, v\u00e4\u010d\u0161inou ide o uk\u00e1\u017eky a vide\u00e1 o pr\u00edrode od \u0161pecializovan\u00fdch tvorcov. Ultra vysok\u00e9 rozl\u00ed\u0161enie uhd v rozl\u00ed\u0161en\u00ed 4K zost\u00e1va praktick\u00fdm stropom pre hlavn\u00e9 predplaten\u00e9 streamovanie.<\/p>\n\n\n\n<p><strong>Potrebujem na streamovanie v rozl\u00ed\u0161en\u00ed 4K alebo 8K \u0161peci\u00e1lny k\u00e1bel HDMI alebo smerova\u010d?<\/strong><\/p>\n\n\n\n<p>Pre 4K: vy\u017eaduje sa HDMI 2.0 alebo vy\u0161\u0161ia verzia. V\u00e4\u010d\u0161ina k\u00e1blov pred\u00e1van\u00fdch v posledn\u00fdch 5 rokoch to podporuje. Pre 8K: odpor\u00fa\u010da sa HDMI 2.1. Na streamovanie poskytuje stabiln\u00fa priepustnos\u0165 pre 4K modern\u00fd dvojp\u00e1smov\u00fd router (Wi-Fi 5 alebo Wi-Fi 6). Star\u0161ie jednop\u00e1smov\u00e9 smerova\u010de m\u00f4\u017eu ma\u0165 probl\u00e9my s trvalou \u0161\u00edrkou p\u00e1sma, ktor\u00fa si 4K vy\u017eaduje.<\/p>\n\n\n\n<p><strong>Je vy\u0161\u0161ie rozl\u00ed\u0161enie v\u017edy lep\u0161ie?<\/strong><\/p>\n\n\n\n<p>Nie. R\u00f4zne rozl\u00ed\u0161enia videa existuj\u00fa preto, lebo r\u00f4zne situ\u00e1cie si vy\u017eaduj\u00fa r\u00f4zne kompromisy. Na mobiln\u00fdch zariadeniach s mal\u00fdmi obrazovkami sa pri streamovan\u00ed v rozl\u00ed\u0161en\u00ed 4K plytv\u00e1 d\u00e1tami bez vidite\u013en\u00e9ho pr\u00ednosu. Na pomal\u00fdch pripojeniach sp\u00f4sobuje vyn\u00fatenie vy\u0161\u0161ieho rozl\u00ed\u0161enia vyrovn\u00e1vaciu pam\u00e4\u0165 a hor\u0161\u00ed z\u00e1\u017eitok ako plynul\u00e9 prehr\u00e1vanie v rozl\u00ed\u0161en\u00ed 720p.<\/p>\n\n\n\n<p>Pre mnoh\u00fdch div\u00e1kov v roku 2025 predstavuje rozl\u00ed\u0161enie 1080p najlep\u0161ie rozl\u00ed\u0161enie, ktor\u00e9 vyva\u017euje ostr\u00fa kvalitu obrazu, rozumn\u00fa spotrebu d\u00e1t, \u0161irok\u00fa kompatibilitu zariaden\u00ed a spo\u013eahliv\u00e9 streamovanie cez v\u00e4\u010d\u0161inu internetov\u00fdch pripojen\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_takeaways\"><\/span>K\u013e\u00fa\u010dov\u00e9 poznatky<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rozl\u00ed\u0161enie videa sa vz\u0165ahuje na po\u010det pixelov (\u0161\u00edrka \u00d7 v\u00fd\u0161ka), pri\u010dom medzi be\u017en\u00e9 rozl\u00ed\u0161enia patria HD (720p), FHD (1080p), 4K (2160p) a 8K (4320p).<\/li>\n\n\n\n<li>Viac pixelov si vy\u017eaduje viac \u00fadajov: 4K zvy\u010dajne spotrebuje 2-4\u00d7 viac d\u00e1t za hodinu ako 1080p<\/li>\n\n\n\n<li>\u00da\u010dinnos\u0165 kodeku je rovnako d\u00f4le\u017eit\u00e1 ako rozl\u00ed\u0161enie - AV1 a HEVC m\u00f4\u017eu zn\u00ed\u017ei\u0165 spotrebu d\u00e1t na polovicu v porovnan\u00ed so star\u0161\u00edm H.264<\/li>\n\n\n\n<li>Hlavn\u00e9 streamovacie slu\u017eby pon\u00fakaj\u00fa rozl\u00ed\u0161enie HD a 4K, ale skuto\u010dn\u00e1 kvalita z\u00e1vis\u00ed od v\u00e1\u0161ho pl\u00e1nu, zariadenia a pripojenia.<\/li>\n\n\n\n<li>Pre v\u00e4\u010d\u0161inu div\u00e1kov poskytuje rozl\u00ed\u0161enie 1080p ostr\u00fa kvalitu obrazu bez nadmernej spotreby d\u00e1t<\/li>\n\n\n\n<li>Rozl\u00ed\u0161enie 4K m\u00e1 zmysel na ve\u013ek\u00fdch telev\u00edzoroch (55 a viac palcov) s r\u00fdchlym a stabiln\u00fdm pripojen\u00edm na internet<\/li>\n\n\n\n<li>Rozl\u00ed\u0161enie 8K zost\u00e1va medzera s obmedzen\u00fdm obsahom a extr\u00e9mnymi po\u017eiadavkami na d\u00e1ta<\/li>\n<\/ul>\n\n\n\n<p>Za\u010dnite t\u00fdm, \u017ee skontrolujete aktu\u00e1lne nastavenia kvality v najpou\u017e\u00edvanej\u0161\u00edch aplik\u00e1ci\u00e1ch na streamovanie. Ak plat\u00edte za 4K, ale sledujete na telef\u00f3ne alebo malom telev\u00edzore, mo\u017eno spa\u013eujete d\u00e1ta pre pixely, ktor\u00e9 nikdy neuvid\u00edte. Prisp\u00f4sobte rozl\u00ed\u0161enie svojej obrazovke, svojmu pripojeniu a svojmu d\u00e1tov\u00e9mu pl\u00e1nu - a u\u017e\u00edvajte si streamovanie bez vyrovn\u00e1vacej pam\u00e4te.<\/p>","protected":false},"excerpt":{"rendered":"<p>If you\u2019ve ever stared at a streaming app\u2019s quality settings wondering whether to pick \u201cHD,\u201d \u201cAuto,\u201d or spring for that 4K option, you\u2019re not alone. Understanding video resolution isn\u2019t just about getting a sharper picture\u2014it directly impacts how much data you burn through and whether your internet connection can actually keep up. This guide breaks&#8230;<\/p>\n<div><a class=\"read-more button-link\" href=\"https:\/\/blog.lebara.co.uk\/sk\/guide-to-video-streaming-formats\/\">\u010c\u00edtajte viac<\/a><\/div>","protected":false},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[22],"tags":[],"class_list":["post-3704","post","type-post","status-publish","format-standard","hentry","category-phones","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/posts\/3704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/comments?post=3704"}],"version-history":[{"count":2,"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/posts\/3704\/revisions"}],"predecessor-version":[{"id":3717,"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/posts\/3704\/revisions\/3717"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/media?parent=3704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/categories?post=3704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/sk\/wp-json\/wp\/v2\/tags?post=3704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}