{"id":5277,"date":"2023-09-30T17:52:24","date_gmt":"2023-09-30T17:52:24","guid":{"rendered":"https:\/\/csiag.eu\/?p=5277"},"modified":"2023-09-30T18:01:40","modified_gmt":"2023-09-30T18:01:40","slug":"technologie-hdmi","status":"publish","type":"post","link":"https:\/\/csiag.eu\/cs\/blog\/2023\/09\/30\/hdmi-technik\/","title":{"rendered":"Technologie HDMI"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 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\"><\/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:\/\/csiag.eu\/cs\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Standards\" >Standardy HDMI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/csiag.eu\/cs\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Kabel\" >Kabel HDMI<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/csiag.eu\/cs\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Expander\" >HDMI - expand\u00e9r<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/csiag.eu\/cs\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Splitter\" >HDMI - rozbo\u010dova\u010d<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Doba \u010dten\u00ed<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minuty<\/span><\/span>\n<p class=\"wp-block-paragraph\">HDMI je technologie pro p\u0159enos audio a video sign\u00e1l\u016f s aktu\u00e1ln\u00edm rozli\u0161en\u00edm (V. 2.1) a\u017e 8k a p\u0159\u00edpustnou d\u00e9lkou kabelu maxim\u00e1ln\u011b 3 nebo 10 metr\u016f v z\u00e1vislosti na rozli\u0161en\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Co ale d\u011blat, kdy\u017e pot\u0159ebujete p\u0159ekonat v\u011bt\u0161\u00ed vzd\u00e1lenost?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nejprve trocha teorie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Standards\"><\/span>Standardy HDMI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">HDMI (<em>Multimedi\u00e1ln\u00ed rozhran\u00ed s vysok\u00fdm rozli\u0161en\u00edm<\/em>) byl vyvinut v roce 2002 a nyn\u00ed dos\u00e1hl verze 2.1. Z licen\u010dn\u00edch d\u016fvod\u016f ji\u017e nelze \u010d\u00edsla verz\u00ed pou\u017e\u00edvat k rozli\u0161en\u00ed jednotliv\u00fdch standard\u016f HDMI. Nyn\u00ed plat\u00ed n\u00e1sleduj\u00edc\u00ed ozna\u010den\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard HDMI (Full HD)<br>(V 1.0) s rychlost\u00ed a\u017e 3,96 GBit\/s p\u0159i maxim\u00e1ln\u00edm rozli\u0161en\u00ed 1 080p (60 Hz).<br>(V1.2) s rychlost\u00ed a\u017e 7,92 GBit\/s p\u0159i maxim\u00e1ln\u00edm rozli\u0161en\u00ed 1 080p (60 Hz).<\/li>\n\n\n\n<li>Vysokorychlostn\u00ed HDMI (4K, 3D, Deep Colour)<br> (V 1.3) s rychlost\u00ed a\u017e 8,16 GBit\/s p\u0159i maxim\u00e1ln\u00edm rozli\u0161en\u00ed 1 440p (60 Hz).<\/li>\n\n\n\n<li>Vysokorychlostn\u00ed rozhran\u00ed HDMI Premium (4K)<br> (V 1.4) s rychlost\u00ed a\u017e 8,16 GBit\/s p\u0159i maxim\u00e1ln\u00edm rozli\u0161en\u00ed 2 560 x 1 600p (60 Hz).<br> (V 2.0) s rychlost\u00ed a\u017e 14,4 GBit\/s p\u0159i maxim\u00e1ln\u00edm rozli\u0161en\u00ed 3 840 x 2 160p (60 Hz).<\/li>\n\n\n\n<li>HDMI HDMI Ultra High Speed (8K)<br>(V 2.1) s rychlost\u00ed a\u017e 42,67 GBit\/s p\u0159i maxim\u00e1ln\u00edm rozli\u0161en\u00ed 7 680 x 4 320p (60 Hz).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Kabel\"><\/span>Kabel HDMI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Zlat\u00e9 pravidlo: co nejkrat\u0161\u00ed a nejkvalitn\u011bj\u0161\u00ed!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010c\u00edm vy\u0161\u0161\u00ed je p\u0159en\u00e1\u0161en\u00e1 rychlost dat, t\u00edm slo\u017eit\u011bj\u0161\u00ed je v\u00fdrobn\u00ed proces. Kabely z hyperkrystalick\u00e9 m\u011bdi s extr\u00e9mn\u011b vysok\u00fdm stupn\u011bm \u010distoty, \u010dty\u0159n\u00e1sobn\u00e9 st\u00edn\u011bn\u00ed, odd\u011blen\u00e9 vnit\u0159n\u00ed vodi\u010de a - samoz\u0159ejm\u011b - 24kar\u00e1tov\u00e9 pozlacen\u00e9 konektory zaji\u0161\u0165uj\u00ed p\u0159enos sign\u00e1lu s extr\u00e9mn\u011b n\u00edzk\u00fdmi ztr\u00e1tami a nejvy\u0161\u0161\u00ed mo\u017enou rychlost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Za takov\u00e9 kabely - ano, \u010dtete spr\u00e1vn\u011b - zaplat\u00edte dobr\u00fdch 800 eur za d\u00e9lku 12 metr\u016f. Cena optick\u00fdch kabel\u016f se m\u016f\u017ee pohybovat i ve \u010dty\u0159cifern\u00fdch \u010d\u00e1stk\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jak ji\u017e bylo zm\u00edn\u011bno na za\u010d\u00e1tku, d\u00e9lka kabel\u016f by obecn\u011b nem\u011bla p\u0159es\u00e1hnout 3 a\u017e 5 metr\u016f, pokud chcete po\u0159\u00eddit kabely za rozumn\u011b p\u0159ijateln\u00e9 ceny a p\u0159itom m\u00edt pou\u017eitelnou p\u0159enosovou rychlost. Ekonomicky v\u00fdhodn\u011bj\u0161\u00ed je p\u0159eklenout del\u0161\u00ed vzd\u00e1lenosti pomoc\u00ed zesilova\u010d\u016f HDMI, tzv. expand\u00e9r\u016f.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Expander\"><\/span>HDMI - expand\u00e9r<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Tyto mosty jsou vzd\u00e1leny a\u017e 180 m <a href=\"https:\/\/www.ute.de\/produkte\/videotechnik\/dvi-hdmi-verlaengerungen\" target=\"_blank\" rel=\"noopener\">Expander<\/a>p\u0159enosem sign\u00e1lu HDMI p\u0159es s\u00ed\u0165ov\u00fd kabel (CAT.7). Skl\u00e1daj\u00ed se z vys\u00edla\u010de, do kter\u00e9ho je sign\u00e1l HDMI p\u0159iv\u00e1d\u011bn kr\u00e1tk\u00fdm kabelem HDMI, a z p\u0159ij\u00edma\u010de, kter\u00fd p\u0159ev\u00e1d\u00ed sign\u00e1l p\u0159en\u00e1\u0161en\u00fd kabelem CAT.7 zp\u011bt na HDMI a vyvede jej p\u0159es z\u00e1suvku p\u0159ipojen\u00ed HDMI.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Splitter\"><\/span>HDMI - rozbo\u010dova\u010d<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Distribuce zdroje sign\u00e1lu HDMI do n\u011bkolika p\u0159ehr\u00e1vac\u00edch za\u0159\u00edzen\u00ed HDMI prob\u00edh\u00e1 prost\u0159ednictv\u00edm videorozd\u011blova\u010d\u016f nebo tzv. splitter\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jednoduch\u00e9 pasivn\u00ed rozbo\u010dova\u010de (cca 20 eur) jednodu\u0161e rozd\u011bl\u00ed videosign\u00e1l mezi dv\u011b v\u00fdstupn\u00ed z\u00e1suvky HDMI, zat\u00edmco aktivn\u00ed za\u0159\u00edzen\u00ed (s nap\u00e1jec\u00ed jednotkou) (do cca 50 eur) m\u00edrn\u011b zes\u00edl\u00ed sign\u00e1l na v\u00fdstupn\u00ed stran\u011b, aby zhruba kompenzovaly v\u00fdsledn\u00e9 sn\u00ed\u017een\u00ed s\u00edly sign\u00e1lu na polovinu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pro vysok\u00e9 p\u0159enosov\u00e9 rychlosti pot\u0159ebujete odpov\u00eddaj\u00edc\u00ed kvalitn\u00ed <a href=\"https:\/\/www.ute.de\/produkte\/videotechnik\/videoverteiler\/hdmi-verteiler\" target=\"_blank\" rel=\"noopener\">Zesilova\u010d<\/a> pro ka\u017ed\u00fd z v\u00fdstup\u016f HDMI, co\u017e se odr\u00e1\u017e\u00ed v cen\u00e1ch za\u010d\u00ednaj\u00edc\u00edch na p\u0159ibli\u017en\u011b 100 EUR (1 IN 2 OUT pro 4K) nebo necel\u00fdch 250 EUR (1 IN 4 OUT pro 8K).<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Doba \u010dten\u00ed<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minuty<\/span><\/span>HDMI je technologie pro p\u0159enos audio a video sign\u00e1l\u016f s aktu\u00e1ln\u00edm rozli\u0161en\u00edm (V. 2.1) a\u017e 8k a p\u0159\u00edpustnou d\u00e9lkou kabelu maxim\u00e1ln\u011b 3 nebo 10 metr\u016f v z\u00e1vislosti na rozli\u0161en\u00ed. Co v\u0161ak d\u011blat, kdy\u017e je t\u0159eba p\u0159eklenout v\u011bt\u0161\u00ed vzd\u00e1lenosti? Nejprve trochu teorie. HDMI - standardy Rozhran\u00ed HDMI (High Definition Multimedia Interface) bylo vyvinuto v roce 2002 a je...&nbsp;<a href=\"https:\/\/csiag.eu\/cs\/blog\/2023\/09\/30\/hdmi-technik\/\" rel=\"bookmark\">\u010c\u00edst d\u00e1le \"<span class=\"screen-reader-text\">Technologie HDMI<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[2428],"tags":[2440,2441,2408,2444,2434,2429,2431,2432,2430,2433,1669,2442,2437,2438,2435,2439,2367,2445,2436,2443],"class_list":["post-5277","post","type-post","status-publish","format-standard","hentry","category-video-technik","tag-4k","tag-8k","tag-aufloesung","tag-cat-7","tag-expander","tag-hdmi","tag-hdmi-high-speed","tag-hdmi-premiu-high-speed","tag-hdmi-standard","tag-hdmi-ultra-high-speed","tag-netzwerkkabel","tag-signal","tag-signalquelle","tag-signalstaerke","tag-splitter","tag-transferrate","tag-verstaerker","tag-videosignal","tag-videoverteiler","tag-wiedergabe"],"modified_by":"Achim Goerner","_links":{"self":[{"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/posts\/5277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/comments?post=5277"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/posts\/5277\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/media?parent=5277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/categories?post=5277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/cs\/wp-json\/wp\/v2\/tags?post=5277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}