{"id":213,"date":"2007-08-22T00:28:43","date_gmt":"2007-08-21T22:28:43","guid":{"rendered":"http:\/\/crlam.free.fr\/wp\/?p=213"},"modified":"2023-03-20T10:25:46","modified_gmt":"2023-03-20T09:25:46","slug":"169-mode-demploi","status":"publish","type":"post","link":"https:\/\/www.fenarinarsa.com\/?p=213","title":{"rendered":"16:9 mode d&#8217;emploi"},"content":{"rendered":"<p>Avec la multiplication des \u00e9crans 16:9 (HD ou pas), je vois tout un tas de personnes n&rsquo;optimisant pas les r\u00e9glages de leur installation pour en profiter un maximum. Voici un petit mode d&#8217;emploi \u00e0 destination de tous ceux qui ont un \u00e9cran de t\u00e9l\u00e9vision afin de bien r\u00e9gler tout votre bordel. En g\u00e9n\u00e9ral les gens chez qui je modifie les r\u00e9glages ne le regrettent pas !<\/p>\n<p>Ceci s&rsquo;adresse \u00e0 vous si vous avez :<br \/>\n&#8211; Un t\u00e9l\u00e9viseur 4:3 ou 16:9, cathodique ou plat (LCD, plasma), HD ou pas ;<br \/>\n&#8211; Un lecteur DVD, un adaptateur TNT, le c\u00e2ble ou la t\u00e9l\u00e9 par ADSL ;<br \/>\n&#8211; si vous avez mal configur\u00e9 vos appareils (en effet chaque appareil, au premier d\u00e9marrage, demande le type d&rsquo;\u00e9cran que vous poss\u00e9dez), ou bien si vous avez chang\u00e9 de type d&rsquo;\u00e9cran entre-temps.<\/p>\n<p><u><strong>Cas 1<\/strong><\/u><br \/>\n<strong>Vous avez une t\u00e9l\u00e9 16:9<\/strong><\/p>\n<p>Pour profiter un maximum de votre t\u00e9l\u00e9, vous devez configurer tous vos appareils de r\u00e9ception ou de lecture (d\u00e9codeur, adaptateur, DVD etc) pour un \u00e9cran 16:9.<br \/>\nPour cela il faut aller dans les param\u00e8tres de chaque d\u00e9codeur\/adaptateur\/lecteur (consultez la documentation fournie), et normalement il y a toujours un r\u00e9glage \u00ab\u00a0installation\u00a0\u00bb ou \u00ab\u00a0affichage\u00a0\u00bb dans lequel il faut que vous indiquiez que votre \u00e9cran est de type 16:9 (ou \u00e9cran large).<br \/>\nUne fois ce r\u00e9glage effectu\u00e9, vous gagnerez 33% de r\u00e9solution (nettet\u00e9) sur les images 16:9 (par exemple un DVD en 16:9, ou une cha\u00eene 16:9 comme NRJ12). Vous n&rsquo;aurez plus besoin de \u00ab\u00a0zoomer\u00a0\u00bb l&rsquo;image pour supprimer les barres lors de la diffusion de films, etc, sauf si la diffusion n&rsquo;est pas compatible 16:9 (ce qui est malheureusement encore souvent le cas).<\/p>\n<p><u><strong>Cas 2<\/strong><\/u><br \/>\n<strong>Vous avez une t\u00e9l\u00e9 4:3<\/strong><\/p>\n<p>Votre t\u00e9l\u00e9 est peut-\u00eatre compatible 16:9. Cela signifie que quand vous visualisez un programme 16:9, au lieu de r\u00e9duire de fa\u00e7on \u00e9lectronique l&rsquo;image (en enlevant des d\u00e9tails), la t\u00e9l\u00e9vision adapte physiquement son affichage en 16:9. C&rsquo;est principalement le cas des t\u00e9l\u00e9viseurs cathodiques r\u00e9cents qui r\u00e9duisent le balayage de l&rsquo;image pour afficher l&rsquo;image en 16:9 (on a alors des barres en haut et en bas, mais l&rsquo;image est beaucoup plus nette que si elle \u00e9tait r\u00e9duite par le lecteur\/d\u00e9codeur\/adaptateur en amont).<br \/>\nPour savoir si votre t\u00e9l\u00e9 est compatible 16:9, faites la manipulation d\u00e9crite ci-dessus dans le cas 1. Ensuite, regardez un programme dont vous \u00eates certains qu&rsquo;il est en 16:9 (exemple : NRJ12 sur la TNT\/le c\u00e2ble\/l&rsquo;ADSL, ou le DVD d&rsquo;un film 16:9). L&rsquo;image appara\u00eet avec des barres ? Votre t\u00e9l\u00e9 est compatible 16:9 ! Si l&rsquo;image appara\u00eet \u00e9cras\u00e9e en largeur sur tout l&rsquo;\u00e9cran (les cercles apparaissent ovales, les gens paraissent maigrent), alors votre t\u00e9l\u00e9 n&rsquo;est pas compatible 16:9 : vous devez reconfigurer vos appareils en 4:3.<\/p>\n<p>\nExplication :<\/p>\n<p>Lorsqu&rsquo;un lecteur a une source 16:9 (par exemple un DVD avec un film 16:9), le film est encod\u00e9 dans une r\u00e9solution de 1024&#215;576*. Si le lecteur sait que la t\u00e9l\u00e9 est 16:9 ou compatible 16:9, il va envoyer cette image telle quelle et on aura le maximum de d\u00e9tails \u00e0 l&rsquo;image. Si le lecteur est configur\u00e9 pour un \u00e9cran 4:3, alors il va r\u00e9duire l&rsquo;image en 768&#215;432 et rajouter des barres en haut et en bas pour avoir une image de 768&#215;576 (r\u00e9solution standard PAL). Admettons que vous ayez un \u00e9cran 16:9 : dans ce cas, vous aller devoir \u00ab\u00a0zoomer\u00a0\u00bb l&rsquo;image pour supprimer les barres rajout\u00e9es par le lecteur. Et votre \u00e9cran affichera donc une image d\u00e9grad\u00e9e de 768&#215;432 au lieu de l&rsquo;image d&rsquo;origine de 1024&#215;576, soit une perte de r\u00e9solution de 25%.<\/p>\n<p><small>* r\u00e9solutions en pixels carr\u00e9s pour simplifier l&rsquo;explication ^^<\/small><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avec la multiplication des \u00e9crans 16:9 (HD ou pas), je vois tout un tas de personnes n&rsquo;optimisant pas les r\u00e9glages de leur installation pour en profiter un maximum. Voici un petit mode d&#8217;emploi \u00e0 destination de tous ceux qui ont un \u00e9cran de t\u00e9l\u00e9vision afin de bien r\u00e9gler tout votre bordel. En g\u00e9n\u00e9ral les gens &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.fenarinarsa.com\/?p=213\"> <span class=\"screen-reader-text\">16:9 mode d&#8217;emploi<\/span> Lire la suite\u00a0\u00bb<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-213","post","type-post","status-publish","format-standard","hentry","category-nerditude"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>16:9 mode d&#039;emploi - Coredump<\/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:\/\/www.fenarinarsa.com\/?p=213\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"16:9 mode d&#039;emploi - Coredump\" \/>\n<meta property=\"og:description\" content=\"Avec la multiplication des \u00e9crans 16:9 (HD ou pas), je vois tout un tas de personnes n&rsquo;optimisant pas les r\u00e9glages de leur installation pour en profiter un maximum. 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