{"id":9096,"date":"2016-01-15T08:00:00","date_gmt":"2016-01-15T07:00:00","guid":{"rendered":"http:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/"},"modified":"2016-02-29T09:45:35","modified_gmt":"2016-02-29T08:45:35","slug":"quest-ce-que-lultra-hd-premium","status":"publish","type":"post","link":"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/","title":{"rendered":"Qu\u2019est-ce que l\u2019Ultra HD Premium ?"},"content":{"rendered":"<p>L&#8217;Ultra HD Alliance a depuis peu cr\u00e9\u00e9 une sp\u00e9cification pour les images Ultra HD. Le label Ultra HD Premium doit garantir la qualit\u00e9 des images et du son. Mais que signifie ce terme au juste ?<\/p>\n<h2>R\u00e9solution<\/h2>\n<p>La r\u00e9solution d&#8217;une image Ultra HD sera toujours\u00a0(au moins)\u00a0de 3840 x 2160 pixels, mais le badge Premium confirme que l&#8217;image offrira des couleurs de grande qualit\u00e9, le HDR et une certaine norme audio.<\/p>\n<h2>Couleur<\/h2>\n<p>En ce qui concerne la couleur, une profondeur de couleur de 10 bits est le minimum. Un Blu-ray Full HD soutient des couleurs 8 bits, ce qui signifie 256 nuances par couleur primaire (rouge, vert et bleu). A titre comparatif : une valeur de 10 bits assure pas moins de 1024 nuances par couleur. Cela permet d&#8217;obtenir des milliards de couleurs sur votre \u00e9cran.<\/p>\n<p>Evidemment, votre \u00e9cran doit lui aussi pouvoir restituer toutes ces couleurs. C&#8217;est\u00a0\u00e0 ce niveau qu&#8217;intervient la restitution de couleurs BT.2020. Une certaine confusion n&#8217;est toutefois pas exclue : un t\u00e9l\u00e9viseur ne doit pouvoir restituer &#8220;que&#8221; 90% de ces couleurs pour recevoir le label Ultra HD Premium. Un moniteur pour traitement d&#8217;image doit par contre\u00a0atteindre les 100%.<\/p>\n<h2>Dynamic Range<\/h2>\n<p>La High Dynamic Range signifie en deux mots que les sc\u00e8nes plus sombres seront plus fonc\u00e9es et que les sc\u00e8nes plus claires seront plus claires, ce qui cr\u00e9e un plus grand contraste. Le label Ultra HD Premium peut \u00eatre obtenu de deux mani\u00e8res. Un \u00e9cran de t\u00e9l\u00e9vision peut atteindre une clart\u00e9 de 1000 nits et des valeurs de noir jusqu&#8217;\u00e0 0,05 nits, mais il peut aussi atteindre des valeurs claires de 540 nits et des valeurs de noir de 0,0005 nits. Dans les deux cas, votre \u00e9cran re\u00e7oit le label Premium.<\/p>\n<h2>Puis-je d\u00e9j\u00e0 me procurer des appareils Ultra HD Premium ?<\/h2>\n<p>Presque. Lors du CES, Samsung et LG ont pr\u00e9sent\u00e9 leurs nouveaux t\u00e9l\u00e9viseurs UHD et les deux marques affichaient un label Ultra HD Premium. Panasonic a suivi le mouvement, tandis que Sony propose \u00e9galement la norme. Ces t\u00e9l\u00e9viseurs seront bient\u00f4t disponibles sur notre march\u00e9. Encore un peu de patience !<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L&#8217;Ultra HD Alliance a depuis peu cr\u00e9\u00e9 une sp\u00e9cification pour les images Ultra HD. Le label Ultra HD Premium doit garantir la qualit\u00e9 des images et du son. Mais que signifie ce terme au juste ? R\u00e9solution La r\u00e9solution d&#8217;une image Ultra HD sera toujours\u00a0(au moins)\u00a0de 3840 x 2160 pixels, mais le badge Premium confirme [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":7121,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[1120,1123],"tags":[1233,1590,1591],"class_list":{"0":"post-9096","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-lecteur-blu-ray","8":"category-televiseur","9":"tag-conseils-fr","10":"tag-ultra-hd-fr","11":"tag-ultra-hd-premium-fr-2"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Qu\u2019est-ce que l\u2019Ultra HD Premium ?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Qu\u2019est-ce que l\u2019Ultra HD Premium ?\" \/>\n<meta property=\"og:description\" content=\"L&#8217;Ultra HD Alliance a depuis peu cr\u00e9\u00e9 une sp\u00e9cification pour les images Ultra HD. Le label Ultra HD Premium doit garantir la qualit\u00e9 des images et du son. Mais que signifie ce terme au juste ? R\u00e9solution La r\u00e9solution d&#8217;une image Ultra HD sera toujours\u00a0(au moins)\u00a0de 3840 x 2160 pixels, mais le badge Premium confirme [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/\" \/>\n<meta property=\"og:site_name\" content=\"elektrozine.be\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/elektrozine\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/elektrozine\/?fref=ts\" \/>\n<meta property=\"article:published_time\" content=\"2016-01-15T07:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-02-29T08:45:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/elektrozine.be\/wp-content\/uploads\/2016\/01\/ultra-hd-premium.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1600\" \/>\n\t<meta property=\"og:image:height\" content=\"1200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jens Desmet\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@elektrozine\" \/>\n<meta name=\"twitter:site\" content=\"@elektrozine\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jens Desmet\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/\",\"url\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/\",\"name\":\"Qu\u2019est-ce que l\u2019Ultra HD Premium ?\",\"isPartOf\":{\"@id\":\"https:\/\/elektrozine.be\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/elektrozine.be\/wp-content\/uploads\/2016\/01\/ultra-hd-premium.jpg\",\"datePublished\":\"2016-01-15T07:00:00+00:00\",\"dateModified\":\"2016-02-29T08:45:35+00:00\",\"author\":{\"@id\":\"https:\/\/elektrozine.be\/#\/schema\/person\/78f5e79bbc3faa7a295d9ee686c1b561\"},\"breadcrumb\":{\"@id\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/#breadcrumb\"},\"inLanguage\":\"fr-fr\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-fr\",\"@id\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/#primaryimage\",\"url\":\"https:\/\/elektrozine.be\/wp-content\/uploads\/2016\/01\/ultra-hd-premium.jpg\",\"contentUrl\":\"https:\/\/elektrozine.be\/wp-content\/uploads\/2016\/01\/ultra-hd-premium.jpg\",\"width\":1600,\"height\":1200},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/elektrozine.be\/fr\/quest-ce-que-lultra-hd-premium\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/elektrozine.be\/fr\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Qu\u2019est-ce que l\u2019Ultra HD Premium ?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/elektrozine.be\/#website\",\"url\":\"https:\/\/elektrozine.be\/\",\"name\":\"elektrozine.be\",\"description\":\"All the stuff you need\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/elektrozine.be\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-fr\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/elektrozine.be\/#\/schema\/person\/78f5e79bbc3faa7a295d9ee686c1b561\",\"name\":\"Jens Desmet\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-fr\",\"@id\":\"https:\/\/elektrozine.be\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/84d7ab050be22b08f58cf8c560755aaf173857c97469ac3dfac594473b5aa4bd?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/84d7ab050be22b08f58cf8c560755aaf173857c97469ac3dfac594473b5aa4bd?s=96&d=mm&r=g\",\"caption\":\"Jens Desmet\"},\"description\":\"Met eigenschappen als \u2018super speed\u2018 en \u2018teleportation\u2019 bepaalt Jens als een volleerde superheld sinds september 2011 de redactionele lijnen bij Elektrozine.be. 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