{"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":"hdmi-teknologi","status":"publish","type":"post","link":"https:\/\/csiag.eu\/da\/blog\/2023\/09\/30\/hdmi-technik\/","title":{"rendered":"HDMI-teknologi"},"content":{"rendered":"<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\">Indholdsfortegnelse<\/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\/da\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Standards\" >HDMI-standarder<\/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\/da\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Kabel\" >HDMI-kabel<\/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\/da\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Expander\" >HDMI - Expander<\/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\/da\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Splitter\" >HDMI - Splitter<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e6setid<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutter<\/span><\/span>\n<p>HDMI er en teknologi til overf\u00f8rsel af lyd- og videosignaler med en aktuel (V. 2.1) opl\u00f8sning p\u00e5 op til 8k og tilladte kabell\u00e6ngder p\u00e5 maksimalt 3 eller 10 meter, afh\u00e6ngigt af opl\u00f8sningen.<\/p>\n\n\n\n<p>Men hvad g\u00f8r du, hvis du skal tilbagel\u00e6gge st\u00f8rre afstande?<\/p>\n\n\n\n<p>F\u00f8rst lidt teori.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Standards\"><\/span>HDMI-standarder<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>HDMI (<em>High Definition Multimedia Interface<\/em>) blev udviklet i 2002 og er nu n\u00e5et til version 2.1. Af licensm\u00e6ssige \u00e5rsager m\u00e5 versionsnumre ikke l\u00e6ngere bruges til at skelne mellem HDMI-standarder. F\u00f8lgende betegnelser g\u00e6lder nu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>HDMI-standard (fuld HD)<br>(V 1.0) med op til 3,96 GBit\/s ved en maks. opl\u00f8sning p\u00e5 1.080p (60 Hz)<br>(V1.2) med op til 7,92 GBit\/s ved en maks. opl\u00f8sning p\u00e5 1.080p (60 Hz)<\/li>\n\n\n\n<li>HDMI h\u00f8j hastighed (4K, 3D, dyb farve)<br> (V 1.3) med op til 8,16 GBit\/s ved en maksimal opl\u00f8sning p\u00e5 1.440p (60 Hz)<\/li>\n\n\n\n<li>HDMI Premium h\u00f8j hastighed (4K)<br> (V 1.4) med op til 8,16 GBit\/s ved en maks. opl\u00f8sning p\u00e5 2.560 x 1.600p (60 Hz)<br> (V 2.0) med op til 14,4 GBit\/s ved en maks. opl\u00f8sning p\u00e5 3.840 x 2.160p (60 Hz)<\/li>\n\n\n\n<li>HDMI HDMI Ultra High Speed (8K)<br>(V 2.1) med op til 42,67 GBit\/s ved en maks. opl\u00f8sning p\u00e5 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>HDMI-kabel<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Den gyldne tommelfingerregel: s\u00e5 kort og s\u00e5 godt som muligt!<\/p>\n\n\n\n<p>Jo h\u00f8jere datahastighed, der skal overf\u00f8res, jo mere kompleks er fremstillingsprocessen. Kabler af hyperkrystallinsk kobber med en ekstremt h\u00f8j renhedsgrad, firedobbelt afsk\u00e6rmning, adskilte inderledere og - selvf\u00f8lgelig - 24 karat guldbelagte stik sikrer signaloverf\u00f8rsel med ekstremt lavt tab og den h\u00f8jest mulige hastighed.<\/p>\n\n\n\n<p>For s\u00e5danne kabler - ja, du l\u00e6ser rigtigt - skal der betales godt 800 euro for en l\u00e6ngde p\u00e5 12 meter. Fiberoptiske kabler kan ogs\u00e5 koste et godt stykke ind i det firecifrede euro-omr\u00e5de.<\/p>\n\n\n\n<p>Som n\u00e6vnt i begyndelsen b\u00f8r kabell\u00e6ngder generelt holdes under 3-5 meter, hvis man vil k\u00f8be kabler til en rimelig pris og stadig have en brugbar overf\u00f8rselshastighed. Det giver mere \u00f8konomisk mening at bygge bro over l\u00e6ngere afstande med HDMI-forst\u00e6rkere, s\u00e5kaldte expandere.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Expander\"><\/span>HDMI - Expander<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Disse broafstande p\u00e5 op til 180 m <a href=\"https:\/\/www.ute.de\/produkte\/videotechnik\/dvi-hdmi-verlaengerungen\" target=\"_blank\" rel=\"noopener\">Expander<\/a>ved at overf\u00f8re HDMI-signalet via et netv\u00e6rkskabel (CAT.7). De best\u00e5r af en sender, som HDMI-signalet f\u00f8res ind i via et kort HDMI-kabel, og en modtager, som konverterer det signal, der sendes via CAT.7-kablet, tilbage til HDMI og sender det ud via et HDMI-tilslutningsstik.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Splitter\"><\/span>HDMI - Splitter<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Distributionen af en HDMI-signalkilde til flere HDMI-afspilningsenheder sker via videofordelere eller s\u00e5kaldte splittere.<\/p>\n\n\n\n<p>Enkle, passive splittere (omkring 20 euro) deler blot videosignalet mellem to HDMI-udgangsstik, mens aktive enheder (med str\u00f8mforsyning) (op til omkring 50 euro) forst\u00e6rker signalet en smule p\u00e5 udgangssiden for at kompensere nogenlunde for den resulterende halvering af signalstyrken.<\/p>\n\n\n\n<p>For h\u00f8je overf\u00f8rselshastigheder har du brug for tilsvarende gode <a href=\"https:\/\/www.ute.de\/produkte\/videotechnik\/videoverteiler\/hdmi-verteiler\" target=\"_blank\" rel=\"noopener\">Forst\u00e6rker<\/a> for hver af HDMI-udgangene, hvilket afspejles i priserne, der starter p\u00e5 omkring 100 euro (1 IN 2 OUT til 4K) eller lige under 250 euro (1 IN 4 OUT til 8K).<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">L\u00e6setid<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minutter<\/span><\/span>HDMI er en teknologi til overf\u00f8rsel af lyd- og videosignaler med en aktuel (V. 2.1) opl\u00f8sning p\u00e5 op til 8k og tilladte kabell\u00e6ngder p\u00e5 maksimalt 3 eller 10 meter, afh\u00e6ngigt af opl\u00f8sningen. Men hvad g\u00f8r man, hvis der skal bygges bro over st\u00f8rre afstande? F\u00f8rst lidt teori. HDMI - standarder HDMI (High Definition Multimedia Interface) blev udviklet i 2002 og er en...&nbsp;<a href=\"https:\/\/csiag.eu\/da\/blog\/2023\/09\/30\/hdmi-technik\/\" rel=\"bookmark\">L\u00e6s mere \"<span class=\"screen-reader-text\">HDMI-teknologi<\/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\/da\/wp-json\/wp\/v2\/posts\/5277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/comments?post=5277"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/posts\/5277\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/media?parent=5277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/categories?post=5277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/da\/wp-json\/wp\/v2\/tags?post=5277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}