{"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":"tehnologija-hdmi","status":"publish","type":"post","link":"https:\/\/csiag.eu\/sl\/blog\/2023\/09\/30\/hdmi-technik\/","title":{"rendered":"Tehnologija HDMI"},"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\">Vsebina<\/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\/sl\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Standards\" >Standardi 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\/sl\/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\/sl\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Expander\" >HDMI - Raz\u0161iritev<\/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\/sl\/blog\/2023\/09\/30\/hdmi-technik\/#HDMI_%E2%80%93_Splitter\" >HDMI - razdelilnik<\/a><\/li><\/ul><\/nav><\/div>\n<span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas branja<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>\n<p>HDMI je tehnologija za prenos zvo\u010dnih in video signalov s trenutno (V. 2.1) lo\u010dljivostjo do 8k in dovoljeno dol\u017eino kabla najve\u010d 3 ali 10 metrov, odvisno od lo\u010dljivosti.<\/p>\n\n\n\n<p>Kaj pa storiti, \u010de morate prevoziti ve\u010dje razdalje?<\/p>\n\n\n\n<p>Najprej nekaj teorije.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Standards\"><\/span>Standardi HDMI<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>HDMI (<em>Multimedijski vmesnik visoke lo\u010dljivosti<\/em>) je bil razvit leta 2002 in je zdaj dosegel razli\u010dico 2.1. Zaradi licenciranja se \u0161tevilke razli\u010dic ne smejo ve\u010d uporabljati za razlikovanje med standardi HDMI. Zdaj veljajo naslednje oznake:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard HDMI (Full HD)<br>(V 1.0) s hitrostjo do 3,96 GBit\/s pri najve\u010dji lo\u010dljivosti 1.080p (60 Hz)<br>(V1.2) s hitrostjo do 7,92 GBit\/s pri najve\u010dji lo\u010dljivosti 1.080p (60 Hz)<\/li>\n\n\n\n<li>Visoka hitrost HDMI (4K, 3D, globoke barve)<br> (V 1.3) s hitrostjo do 8,16 GBit\/s pri najve\u010dji lo\u010dljivosti 1.440p (60 Hz)<\/li>\n\n\n\n<li>HDMI Premium High Speed (4K)<br> (V 1.4) s hitrostjo do 8,16 GBit\/s pri najve\u010dji lo\u010dljivosti 2.560 x 1.600p (60 Hz)<br> (V 2.0) s hitrostjo do 14,4 GBit\/s pri najve\u010dji lo\u010dljivosti 3.840 x 2.160p (60 Hz)<\/li>\n\n\n\n<li>HDMI HDMI Ultra visoka hitrost (8K)<br>(V 2.1) s hitrostjo do 42,67 GBit\/s pri najve\u010dji lo\u010dljivosti 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>Zlato pravilo: \u010dim kraj\u0161i in \u010dim bolj\u0161i!<\/p>\n\n\n\n<p>Ve\u010dja kot je hitrost prenosa podatkov, bolj zapleten je proizvodni postopek. Kabli iz hiperkristalnega bakra z izredno visoko stopnjo \u010distosti, \u0161tirikratnim \u0161\u010ditenjem, lo\u010denimi notranjimi vodniki in - seveda - 24-karatnimi pozla\u010denimi priklju\u010dki zagotavljajo prenos signala z izredno majhnimi izgubami in najvi\u0161jo mo\u017eno hitrostjo.<\/p>\n\n\n\n<p>Za tak\u0161ne kable - da, prav ste prebrali - je treba od\u0161teti dobrih 800 evrov za dol\u017eino 12 metrov. Cena opti\u010dnih kablov se lahko povzpne tudi na \u0161tirimestno \u0161tevilo evrov.<\/p>\n\n\n\n<p>Kot je bilo omenjeno na za\u010detku, naj dol\u017eina kablov na splo\u0161no ne presega 3 do 5 metrov, \u010de \u017eelite kupiti kable po razumno dostopnih cenah in \u0161e vedno imeti uporabno hitrost prenosa. Ve\u010dje razdalje je bolj ekonomi\u010dno premostiti z oja\u010devalniki HDMI, tako imenovanimi ekspanderji.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Expander\"><\/span>HDMI - Raz\u0161iritev<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ti mostovi so oddaljeni do 180 m <a href=\"https:\/\/www.ute.de\/produkte\/videotechnik\/dvi-hdmi-verlaengerungen\" target=\"_blank\" rel=\"noopener\">Raz\u0161irjevalnik<\/a>s prenosom signala HDMI prek omre\u017enega kabla (CAT.7). Sestavljena sta iz oddajnika, v katerega se signal HDMI dovede prek kratkega kabla HDMI, in sprejemnika, ki signal, prenesen prek kabla CAT.7, pretvori nazaj v HDMI in ga odda prek priklju\u010dne vti\u010dnice HDMI.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HDMI_%E2%80%93_Splitter\"><\/span>HDMI - razdelilnik<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Distribucija vira signala HDMI v ve\u010d predvajalnih naprav HDMI poteka prek video distributerjev ali tako imenovanih razdelilnikov.<\/p>\n\n\n\n<p>Enostavni pasivni delilniki (pribli\u017eno 20 EUR) preprosto razdelijo video signal med dve izhodni vti\u010dnici HDMI, medtem ko aktivne naprave (z napajalno enoto) (do pribli\u017eno 50 EUR) nekoliko okrepijo signal na izhodni strani, da pribli\u017eno nadomestijo posledi\u010dno prepolovljeno mo\u010d signala.<\/p>\n\n\n\n<p>Za visoke hitrosti prenosa potrebujete ustrezno dobre <a href=\"https:\/\/www.ute.de\/produkte\/videotechnik\/videoverteiler\/hdmi-verteiler\" target=\"_blank\" rel=\"noopener\">Oja\u010devalnik<\/a> za vsak izhod HDMI, kar se odra\u017ea v cenah od pribli\u017eno 100 evrov (1 IN 2 OUT za 4K) ali nekaj manj kot 250 evrov (1 IN 4 OUT za 8K).<\/p>","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">\u010cas branja<\/span> <span class=\"rt-time\"> 2<\/span> <span class=\"rt-label rt-postfix\">minute<\/span><\/span>HDMI je tehnologija za prenos zvo\u010dnih in video signalov s trenutno (V. 2.1) lo\u010dljivostjo do 8k in dovoljeno dol\u017eino kabla najve\u010d 3 ali 10 metrov, odvisno od lo\u010dljivosti. Toda kaj storiti, \u010de je treba premagati ve\u010dje razdalje? Najprej nekaj teorije. HDMI - standardi HDMI (High Definition Multimedia Interface) je bil razvit leta 2002 in je...&nbsp;<a href=\"https:\/\/csiag.eu\/sl\/blog\/2023\/09\/30\/hdmi-technik\/\" rel=\"bookmark\">Preberi ve\u010d \"<span class=\"screen-reader-text\">Tehnologija 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\/sl\/wp-json\/wp\/v2\/posts\/5277","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/comments?post=5277"}],"version-history":[{"count":0,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/posts\/5277\/revisions"}],"wp:attachment":[{"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/media?parent=5277"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/categories?post=5277"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/csiag.eu\/sl\/wp-json\/wp\/v2\/tags?post=5277"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}