{"id":11765,"date":"2024-09-16T17:30:00","date_gmt":"2024-09-16T14:30:00","guid":{"rendered":"https:\/\/global.tab-tv.com\/sk\/?p=11765"},"modified":"2024-09-16T17:30:03","modified_gmt":"2024-09-16T14:30:03","slug":"kontrast-podsvietenie-a-jas-nastavenia-na-televizoroch-a-monitoroch","status":"publish","type":"post","link":"https:\/\/global.tab-tv.com\/sk\/kontrast-podsvietenie-a-jas-nastavenia-na-televizoroch-a-monitoroch\/","title":{"rendered":"Kontrast, podsvietenie a jas nastavenia na telev\u00edzoroch a monitoroch"},"content":{"rendered":"\n<p>Dva hlavn\u00e9 parametre na telev\u00edzoroch a monitoroch v\u00fdznamne ovplyv\u0148uj\u00fa kvalitu obrazu: jas a kontrast. Existuje tie\u017e nastavenie podsvietenia, ktor\u00e9 priamo neovplyv\u0148uje kvalitu obrazu. Tieto parametre s\u00fa pr\u00edtomn\u00e9 na v\u0161etk\u00fdch monitoroch a telev\u00edzoroch, ale len m\u00e1lo \u013eud\u00ed sa zam\u00fd\u0161\u013ea nad t\u00fdm, \u010do tieto parametre znamenaj\u00fa a ako obrazovka fyzicky reaguje na zmeny v jasnosti a kontraste. Jas a kontrast s\u00fa navz\u00e1jom prepojen\u00e9 parametre a \u00fapravy obrazu by sa mali vykon\u00e1va\u0165 s oh\u013eadom na oba parametre.<\/p>\n\n\n\n<p>\u00darovne kontrastu a jasu s\u00fa zaznamenan\u00e9 pri nat\u00e1\u010dan\u00ed videa a telev\u00edzor alebo monitor m\u00f4\u017ee tieto \u00farovne upravi\u0165, aby dosiahol \u010do najlep\u0161iu kvalitu obrazu v z\u00e1vislosti od podmienok zobrazenia a osvetlenia.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Kontrast na telev\u00edzoroch a monitoroch<\/strong><\/h2>\n\n\n\n<p>Kontrast je pomer medzi najjasnej\u0161ou a najtmav\u0161ou \u010das\u0165ou obrazovky. Ke\u010f \u0161pecifik\u00e1cie ukazuj\u00fa 2500:1, znamen\u00e1 to, \u017ee najjasnej\u0161ia \u010das\u0165 obrazovky m\u00f4\u017ee by\u0165 2500-kr\u00e1t jasnej\u0161ia ako najtmav\u0161ia \u010das\u0165. In\u00fdmi slovami, ak sa pozer\u00e1te na \u010dierny displej, biely bude 2500-kr\u00e1t jasnej\u0161\u00ed ako najtmav\u0161ia oblas\u0165.<\/p>\n\n\n\n<p>Existuj\u00fa dva hlavn\u00e9 typy kontrastu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Typick\u00fd kontrast<\/strong> \u2013 \u0161tandardn\u00e1 hodnota pri norm\u00e1lnych nastaveniach jasu a podsvietenia.<\/li>\n\n\n\n<li><strong>Dynamick\u00fd kontrast<\/strong> \u2013 kontrast pri maxim\u00e1lnom jase a nastaveniach podsvietenia, \u010dasto pou\u017e\u00edvan\u00fd na marketingov\u00e9 \u00fa\u010dely, preto\u017ee vedie k ove\u013ea vy\u0161\u0161\u00edm \u010d\u00edslam.<\/li>\n<\/ul>\n\n\n\n<p>V skuto\u010dnosti kontrast ukazuje, ako s\u00fa r\u00f4zne od seba odtiene farieb. Pri n\u00edzkom kontraste sa obraz zd\u00e1 by\u0165 ploch\u00fd a vyblednut\u00fd. Na obr\u00e1zku ni\u017e\u0161ie m\u00f4\u017eete vidie\u0165 pr\u00edklady norm\u00e1lneho, vysok\u00e9ho a n\u00edzkeho kontrastu pomocou stupnice \u0161edej farby, ke\u010f\u017ee je vytvoren\u00e1 rovnak\u00fdmi podielmi RGB farieb:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"273\" src=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/contrast-test-1024x273.jpg\" alt=\"\" class=\"wp-image-11766\" srcset=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/contrast-test-1024x273.jpg 1024w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/contrast-test-300x80.jpg 300w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/contrast-test-768x205.jpg 768w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/contrast-test.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Norm\u00e1lny kontrast<\/strong>: M\u00f4\u017eete vidie\u0165 plynul\u00fd prechod \u0161edej po celej \u0161k\u00e1le.<\/li>\n\n\n\n<li><strong>Vysok\u00fd kontrast<\/strong>: Tmav\u00e1 \u010das\u0165 \u0161k\u00e1ly sa st\u00e1va e\u0161te tmav\u0161ou a prechody medzi farbami sa str\u00e1caj\u00fa v svetlej oblasti, \u010do pos\u00fava celkov\u00fa farbu k tmav\u0161iemu t\u00f3nu.<\/li>\n\n\n\n<li><strong>N\u00edzky kontrast<\/strong>: Obraz sa pos\u00fava k svetlej\u0161\u00edm t\u00f3nom, \u010do deformuje prechod tmav\u00fdch odtie\u0148ov.<\/li>\n<\/ul>\n\n\n\n<p>Kontrast preto zohr\u00e1va k\u013e\u00fa\u010dov\u00fa \u00falohu v tom, ako realistick\u00fd a \u017eiv\u00fd sa obraz zd\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Jas na telev\u00edzoroch a monitoroch<\/strong><\/h2>\n\n\n\n<p>Jas sa definuje ako mno\u017estvo sveteln\u00e9ho toku, ktor\u00e9 obrazovka m\u00f4\u017ee produkova\u0165 pre pou\u017e\u00edvate\u013ea. Toto v\u0161ak nie je \u00faplne presn\u00e9. Po prv\u00e9, jas zvy\u0161uje \u00farovne troch z\u00e1kladn\u00fdch farieb, pri\u010dom zachov\u00e1va proporcie medzi nimi. Obraz na obrazovke sa st\u00e1va jasnej\u0161\u00edm, ke\u010f sa jas zvy\u0161uje, a\u017e do ur\u010dit\u00e9ho bodu, kedy jas dosiahne prahov\u00fa hodnotu a obraz str\u00e1ca \u017eiv\u00e9 detaily a st\u00e1va sa bielou hmlou.<\/p>\n\n\n\n<p>Na obr\u00e1zku ni\u017e\u0161ie m\u00f4\u017eete vidie\u0165, ako sa men\u00ed stupnica \u0161edej farby pri zmene jasu:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"273\" src=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/brightness-control-example-1024x273.jpg\" alt=\"\" class=\"wp-image-11767\" srcset=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/brightness-control-example-1024x273.jpg 1024w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/brightness-control-example-300x80.jpg 300w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/brightness-control-example-768x205.jpg 768w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/brightness-control-example.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00edzky jas<\/strong>: Tmav\u00e9 farebn\u00e9 prechody sa str\u00e1caj\u00fa.<\/li>\n\n\n\n<li><strong>Priemern\u00fd jas<\/strong>: V\u0161etky prechody od bielej po \u010diernu s\u00fa vidite\u013en\u00e9.<\/li>\n\n\n\n<li><strong>Vysok\u00fd jas<\/strong>: Svetl\u00e9 prechody (biele odtiene) sa str\u00e1caj\u00fa a \u010dierna sa st\u00e1va \u0161edou.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Podsvietenie na monitoroch a telev\u00edzoroch<\/strong><\/h2>\n\n\n\n<p>Podsvietenie na LED a OLED telev\u00edzoroch nie je spojen\u00e9 s menen\u00edm \u00farovn\u00ed z\u00e1kladn\u00fdch farieb a nem\u00e1 ni\u010d spolo\u010dn\u00e9 s prijat\u00fdmi sign\u00e1lmi. Podsvietenie reguluje \u00farove\u0148 svetla v LED paneloch prostredn\u00edctvom podsvet\u013eovac\u00edch LED di\u00f3d a v OLED paneloch cez pixely. T\u00e1to \u00faprava sa vykon\u00e1va zmenou nap\u00e4tia aplikovan\u00e9ho na prvky zodpovedn\u00e9 za podsvietenie. Je navrhnut\u00e1 na \u00fapravu celkov\u00e9ho osvetlenia obrazovky, zvy\u010dajne pou\u017e\u00edvan\u00e1 na prisp\u00f4sobenie jasu v z\u00e1vislosti od osvetlenia miestnosti. V\u00fdhodou tejto \u00fapravy je, \u017ee nesp\u00f4sobuje skreslenie farebn\u00fdch t\u00f3nov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Ako spr\u00e1vne nastavi\u0165 kontrast a jas<\/strong><\/h2>\n\n\n\n<p>Ke\u010f telev\u00edzor alebo monitor pr\u00e1ve vyjde z v\u00fdrobnej linky, zvy\u010dajne sa dod\u00e1va s tov\u00e1rensk\u00fdmi nastaveniami, ktor\u00e9 s\u00fa navrhnut\u00e9 na uspokojenie potrieb priemern\u00e9ho pou\u017e\u00edvate\u013ea. Tieto predvolen\u00e9 nastavenia s\u00fa zvy\u010dajne vyv\u00e1\u017een\u00e9 v strednom rozsahu. Aby ste v\u0161ak presne nastavili jas a kontrast pod\u013ea va\u0161ich preferenci\u00ed, m\u00f4\u017eete pou\u017ei\u0165 kalibra\u010dn\u00fa tabu\u013eku, ktor\u00fa si m\u00f4\u017eete stiahnu\u0165 alebo z\u00edska\u0165 prostredn\u00edctvom poskytnut\u00e9ho odkazu. Zobrazte tabu\u013eku na svojom monitore alebo telev\u00edzore.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/Test_chart_-contrast-and-brightness-full-1024x819.jpg\" alt=\"\" class=\"wp-image-11768\" srcset=\"https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/Test_chart_-contrast-and-brightness-full-1024x819.jpg 1024w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/Test_chart_-contrast-and-brightness-full-300x240.jpg 300w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/Test_chart_-contrast-and-brightness-full-768x614.jpg 768w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/Test_chart_-contrast-and-brightness-full-1536x1229.jpg 1536w, https:\/\/global.tab-tv.com\/sk\/wp-content\/uploads\/sites\/5\/2024\/09\/Test_chart_-contrast-and-brightness-full.jpg 1980w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mo\u017enos\u0165 1: Pre tmav\u00e9 miestnosti<\/strong>\n<ul class=\"wp-block-list\">\n<li>Nastavte kontrast na 80 %.<\/li>\n\n\n\n<li>Upravte jas, k\u00fdm neuvid\u00edte v\u0161etky odtiene \u0161edej na stupnici \u0161edej farby.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Mo\u017enos\u0165 2: Pre svetlej\u0161ie miestnosti<\/strong>\n<ul class=\"wp-block-list\">\n<li>Nastavte kontrast na 100 %.<\/li>\n\n\n\n<li>Upravte jas, ktor\u00fd pravdepodobne bude trochu ni\u017e\u0161\u00ed ako v tmav\u0161ej miestnosti.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Toto je spr\u00e1vna rovnov\u00e1ha medzi jasom a kontrastom. Potom m\u00f4\u017eete pokra\u010dova\u0165 v experimentovan\u00ed s nastaveniami podsvietenia, \u00fapravami t\u00f3nov a teplotou farieb, aby ste dosiahli najlep\u0161iu kvalitu obrazu.<\/p>\n\n\n\n<p>M\u00f4\u017eete sa p\u00fdta\u0165, pre\u010do notebooky a smartf\u00f3ny \u010dasto nemaj\u00fa nastavenia kontrastu a umo\u017e\u0148uj\u00fa nastavenie iba jasu. To je uroben\u00e9 z\u00e1merne \u2013 kontrast je prednastaven\u00fd na optim\u00e1lnu \u00farove\u0148 pre tieto zariadenia, tak\u017ee pou\u017e\u00edvatelia musia upravova\u0165 iba jas pod\u013ea svojho pohodlia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dva hlavn\u00e9 parametre na telev\u00edzoroch a monitoroch v\u00fdznamne ovplyv\u0148uj\u00fa kvalitu obrazu: jas a kontrast. Existuje tie\u017e nastavenie podsvietenia, ktor\u00e9 priamo neovplyv\u0148uje kvalitu obrazu. Tieto parametre s\u00fa pr\u00edtomn\u00e9 na v\u0161etk\u00fdch monitoroch a telev\u00edzoroch, ale len m\u00e1lo \u013eud\u00ed sa zam\u00fd\u0161\u013ea nad t\u00fdm, \u010do tieto parametre znamenaj\u00fa a ako obrazovka fyzicky reaguje na zmeny v jasnosti a kontraste. [&hellip;]<\/p>\n","protected":false},"author":1,"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,"footnotes":""},"categories":[86,26],"tags":[87],"class_list":{"0":"post-11765","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-technologia","7":"category-tv","8":"tag-technologia"},"_links":{"self":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/11765","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=11765"}],"version-history":[{"count":2,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/11765\/revisions"}],"predecessor-version":[{"id":11771,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/posts\/11765\/revisions\/11771"}],"wp:attachment":[{"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/media?parent=11765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/categories?post=11765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/global.tab-tv.com\/sk\/wp-json\/wp\/v2\/tags?post=11765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}