{"id":13042,"date":"2026-08-06T09:21:31","date_gmt":"2026-08-06T06:21:31","guid":{"rendered":"https:\/\/global.tab-tv.com\/sk\/?p=13042"},"modified":"2026-08-06T09:21:32","modified_gmt":"2026-08-06T06:21:32","slug":"technologia-dlg-dual-line-gate-v-televizoroch","status":"publish","type":"post","link":"https:\/\/global.tab-tv.com\/sk\/technologia-dlg-dual-line-gate-v-televizoroch\/","title":{"rendered":"Technol\u00f3gia DLG (Dual Line Gate) v telev\u00edzoroch"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Po prevzat\u00ed v\u00fdroby LED panelov od k\u00f3rejsk\u00fdch spolo\u010dnost\u00ed za\u010dala spolo\u010dnos\u0165 TCL akt\u00edvne investova\u0165 do v\u00fdvoja r\u00f4znych zobrazovac\u00edch technol\u00f3gi\u00ed. Jednou z nich je <strong>DLG (Dual Line Gate)<\/strong>, ktor\u00e1 bola predstaven\u00e1 v roku 2022 a od rokov 2025\u20132026 sa za\u010dala vo ve\u013ekej miere pou\u017e\u00edva\u0165 v telev\u00edzoroch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pod\u013ea marketingov\u00fdch materi\u00e1lov t\u00e1to technol\u00f3gia umo\u017e\u0148uje <strong>presne zdvojn\u00e1sobi\u0165 obnovovaciu frekvenciu<\/strong> \u2013 zo 60 Hz na 120 Hz pri 60 Hz displejoch a zo 120 Hz na 240 Hz pri 120 Hz displejoch. V skuto\u010dnosti je v\u0161ak toto tvrdenie pomerne kontroverzn\u00e9 a vy\u017eaduje si podrobnej\u0161ie vysvetlenie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Ako funguje DLG<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Technol\u00f3gia funguje na princ\u00edpe <strong>zn\u00ed\u017eenia rozl\u00ed\u0161enia obrazu<\/strong>. Ak m\u00e1 telev\u00edzor rozl\u00ed\u0161enie 4K (UHD), je to <strong>3840 \u00d7 2160 pixelov<\/strong>. Princ\u00edp DLG spo\u010d\u00edva v zdvojovan\u00ed obrazov\u00fdch riadkov \u2013 jeden riadok sa vynech\u00e1 a predch\u00e1dzaj\u00faci sa zopakuje. In\u00fdmi slovami, po\u010det pixelov pou\u017eit\u00fdch na vytvorenie obrazu sa zni\u017euje vo vodorovnom aj zvislom smere.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdsledkom je, \u017ee po zapnut\u00ed re\u017eimu DLG telev\u00edzor <strong>prestane zobrazova\u0165 obraz v nat\u00edvnom rozl\u00ed\u0161en\u00ed 4K<\/strong>. Rozl\u00ed\u0161enie sa zn\u00ed\u017ei na <strong>1920 \u00d7 1080 pixelov<\/strong> a telev\u00edzor prakticky prejde do re\u017eimu Full HD. In\u00fdmi slovami, obraz sa vytv\u00e1ra iba pomocou jednej \u0161tvrtiny pixelov dostupn\u00fdch na 4K paneli.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hlavn\u00fdm cie\u013eom tejto technol\u00f3gie je zn\u00ed\u017ei\u0165 mno\u017estvo d\u00e1t spracov\u00e1van\u00fdch zobrazovac\u00edm syst\u00e9mom. Ke\u010f\u017ee doska <strong>T-Con (Timing Controller)<\/strong> zabezpe\u010duje spracovanie a prenos obrazov\u00fdch d\u00e1t do panela, zn\u00ed\u017eenie rozl\u00ed\u0161enia v\u00fdrazne zni\u017euje jej za\u0165a\u017eenie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V praxi telev\u00edzor zni\u017euje kvalitu obrazu pribli\u017ene \u0161tvorn\u00e1sobne v porovnan\u00ed s p\u00f4vodn\u00fdm rozl\u00ed\u0161en\u00edm 4K, preto\u017ee na vytvorenie obrazu vyu\u017e\u00edva podstatne menej pixelov.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"600\" src=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2026\/08\/DLG-and-Refresh-Rate-Boost.webp\" alt=\"\" class=\"wp-image-13043\" srcset=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2026\/08\/DLG-and-Refresh-Rate-Boost.webp 1024w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2026\/08\/DLG-and-Refresh-Rate-Boost-300x176.webp 300w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2026\/08\/DLG-and-Refresh-Rate-Boost-768x450.webp 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>DLG a zv\u00fd\u0161enie obnovovacej frekvencie<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V tomto pr\u00edpade sa obnovovacia frekvencia <strong>v skuto\u010dnosti nezvy\u0161uje na \u00farovni samotn\u00e9ho zobrazovacieho panela<\/strong>. Namiesto toho DLG umo\u017e\u0148uje telev\u00edzoru prij\u00edma\u0165 a spracov\u00e1va\u0165 videosign\u00e1l s vy\u0161\u0161ou obnovovacou frekvenciou t\u00fdm, \u017ee zni\u017euje mno\u017estvo d\u00e1t pren\u00e1\u0161an\u00fdch z procesora na dosku T-Con prostredn\u00edctvom rozhrania HDMI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Procesory telev\u00edzorov maj\u00fa maxim\u00e1lnu podporovan\u00fa obnovovaciu frekvenciu, ktor\u00e1 z\u00e1vis\u00ed od zvolen\u00e9ho rozl\u00ed\u0161enia. Napr\u00edklad procesor m\u00f4\u017ee podporova\u0165 a\u017e <strong>165 Hz pri rozl\u00ed\u0161en\u00ed UHD<\/strong>, zatia\u013e \u010do pri <strong>Full HD<\/strong> m\u00f4\u017ee pracova\u0165 a\u017e s <strong>240 Hz<\/strong>. To znamen\u00e1, \u017ee zobrazovac\u00ed syst\u00e9m nedok\u00e1\u017ee spracova\u0165 nat\u00edvny UHD sign\u00e1l s frekvenciou 240 Hz.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uve\u010fme si pr\u00edklad. Predpokladajme, \u017ee hern\u00e1 konzola je nastaven\u00e1 na v\u00fdstup sign\u00e1lu <strong>3840 \u00d7 2160 pixelov pri 240 Hz<\/strong>. Ak telev\u00edzor tento form\u00e1t nepodporuje, pou\u017e\u00edvate\u013e uvid\u00ed \u010diernu obrazovku alebo sa zobraz\u00ed spr\u00e1va, \u017ee telev\u00edzor nem\u00f4\u017ee tento videosign\u00e1l prija\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak v\u0161ak telev\u00edzor podporuje DLG a t\u00e1to funkcia je zapnut\u00e1, procesor vytvor\u00ed upraven\u00fd video tok pre dosku T-Con. Po\u010das tohto procesu sa niektor\u00e9 obrazov\u00e9 riadky vynechaj\u00fa, napr\u00edklad v\u0161etky p\u00e1rne riadky, zatia\u013e \u010do zost\u00e1vaj\u00face riadky sa zdvoja, aby vyplnili cel\u00fa plochu obrazovky. Procesor tak prevedie UHD sign\u00e1l na Full HD pomocou zjednodu\u0161enej met\u00f3dy <strong>bez vykonania tradi\u010dn\u00e9ho zmen\u0161enia rozl\u00ed\u0161enia (downscalingu)<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednoducho povedan\u00e9, procesor mus\u00ed vykona\u0165 podstatne menej v\u00fdpo\u010dtov, zatia\u013e \u010do doska T-Con prij\u00edma a spracov\u00e1va v\u00fdrazne men\u0161ie mno\u017estvo obrazov\u00fdch d\u00e1t. Tento zredukovan\u00fd d\u00e1tov\u00fd tok sa n\u00e1sledne zobraz\u00ed na celej ploche UHD panela.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z poh\u013eadu pou\u017e\u00edvate\u013ea, najm\u00e4 pri hran\u00ed hier, predstavuje DLG <strong>kompromis<\/strong>. Obraz str\u00e1ca \u010das\u0165 detailov, preto\u017ee u\u017e nie je zobrazovan\u00fd v nat\u00edvnom rozl\u00ed\u0161en\u00ed 4K, vy\u0161\u0161ia obnovovacia frekvencia v\u0161ak zabezpe\u010duje plynulej\u0161\u00ed pohyb a m\u00f4\u017ee zlep\u0161i\u0165 hern\u00fd z\u00e1\u017eitok.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po prevzat\u00ed v\u00fdroby LED panelov od k\u00f3rejsk\u00fdch spolo\u010dnost\u00ed za\u010dala spolo\u010dnos\u0165 TCL akt\u00edvne investova\u0165 do v\u00fdvoja r\u00f4znych zobrazovac\u00edch technol\u00f3gi\u00ed. Jednou z nich je DLG (Dual Line Gate), ktor\u00e1 bola predstaven\u00e1 v roku 2022 a od rokov 2025\u20132026 sa za\u010dala vo ve\u013ekej miere pou\u017e\u00edva\u0165 v telev\u00edzoroch. Pod\u013ea marketingov\u00fdch materi\u00e1lov t\u00e1to technol\u00f3gia umo\u017e\u0148uje presne zdvojn\u00e1sobi\u0165 obnovovaciu frekvenciu \u2013 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13044,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[26],"tags":[87],"class_list":["post-13042","post","type-post","status-publish","format-standard","has-post-thumbnail","category-tv","tag-technologia"],"_links":{"self":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/13042","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/comments?post=13042"}],"version-history":[{"count":1,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/13042\/revisions"}],"predecessor-version":[{"id":13045,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/13042\/revisions\/13045"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media\/13044"}],"wp:attachment":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media?parent=13042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/categories?post=13042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/tags?post=13042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}