{"id":141850,"date":"2006-11-08T10:27:41","date_gmt":"2006-11-08T09:27:41","guid":{"rendered":"https:\/\/cms.galaxiemedia.fr\/tomshardware\/2006\/11\/08\/displayport-1-1-support-du-hdcp\/"},"modified":"2023-06-22T17:16:46","modified_gmt":"2023-06-22T15:16:46","slug":"displayport-1-1-support-du-hdcp","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/displayport-1-1-support-du-hdcp\/","title":{"rendered":"DisplayPort 1.1 : support du HDCP"},"content":{"rendered":"

\n<\/span><\/span>Le DisplayPort Task group a propos\u00e9 des am\u00e9liorations de l\u2019interface d\u2019affichage num\u00e9rique DisplayPort \u00e0 la VESA (Video Electronics Standards Association) qui pr\u00e9side aux destin\u00e9es de cette interface. Le groupe de travail compos\u00e9 d\u2019AMD, NVIDIA, Dell, Intel Lenovo et Samsung a ainsi soumis une version 1.1 de la sp\u00e9cification DisplayPort qui ajoute la prise en charge du format de protection des contenus HDCP.<\/p>\n

Une cl\u00e9 HDCP commune aux interfaces HDMI, DVI et DisplayPort<\/h3>\n

L\u2019interface DisplayPort a \u00e9t\u00e9 con\u00e7ue par la VESA pour remplacer \u00e0 long terme les interfaces DVI, LVDS et \u00e9ventuellement l\u2019interface d\u2019affichage analogique VGA. Contrairement au HDMI, le standard DisplayPort est ouvert et libre de droit, mais dan sa version 1.0 il utilise un dispositif d\u2019encodage\/d\u00e9codage des contenus haute d\u00e9finition prot\u00e9g\u00e9 qui n\u2019est pas compatible avec le HDCP. La version 1.1 du DisplayPort s\u2019appuie sur une version 1.3 du HDCP qui sera finalis\u00e9e au d\u00e9but de l\u2019an prochain. Fournie par la compagnie DCP LLC, cette version permettra aux interfaces DVI, HDMI et DisplayPort 1.1 de partager une cl\u00e9 commune. Le HDCP ayant \u00e9t\u00e9 tr\u00e8s largement adopt\u00e9 par les fournisseurs de contenus haute d\u00e9finition, la VESA n\u2019avait pas vraiment le choix.<\/p>\n

Une compatibilit\u00e9 avec les interfaces HDMI et DVI<\/h3>\n

Par ailleurs, la version 1.1 du DisplayPort inclut des am\u00e9liorations techniques qui faciliteront l\u2019int\u00e9gration de l\u2019interface aux processeurs graphiques et chipsets PCI-Express, et am\u00e9lioreront l\u2019interop\u00e9rabilit\u00e9 avec les pr\u00e9c\u00e9dentes interfaces d\u2019affichage num\u00e9riques dont le l\u2019interface DVI. Selon la VESA, l\u2019interface DisplayPort 1.1 sera compatible avec les interfaces DVI et HDMI. L\u2019association est en train de d\u00e9finir un cahier des charges fournissant des recommandations qui permettront d\u2019assurer cette compatibilit\u00e9.<\/p>\n

HP, Dell et Lenovo ont r\u00e9cemment apport\u00e9 leur soutien \u00e0 l\u2019interface DisplayPort, qui entre en concurrence l\u2019interface UDI. Finalis\u00e9e cet \u00e9t\u00e9, l\u2019UDI a \u00e9t\u00e9 pr\u00e9sent\u00e9e comme une interface d\u2019affichage peu co\u00fbteuse et compatible avec le HDMI et le HDCP.<\/p>\n","protected":false},"excerpt":{"rendered":"

Le DisplayPort Task group a propos\u00e9 des am\u00e9liorations de l\u2019interface d\u2019affichage num\u00e9rique DisplayPort \u00e0 la VESA (Video Electronics Standards Association) qui pr\u00e9side aux destin\u00e9es de cette interface. Le groupe de travail compos\u00e9 d\u2019AMD, NVIDIA, Dell,\u2026<\/p>","protected":false},"author":82,"featured_media":113016,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[487,4068],"tags":[],"hubs":[],"class_list":["post-141850","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-informatique"],"acf":{"post_show_excerpt":false,"post_source":{"title":"Vesa.org","url":"http:\/\/vesa.org\/","target":""}},"yoast_head":"\nDisplayPort 1.1 : support du HDCP<\/title>\n<meta name=\"description\" content=\"Le DisplayPort Task group a propos\u00e9 des am\u00e9liorations de l\u2019interface d\u2019affichage num\u00e9rique DisplayPort \u00e0 la VESA (Video Electronics Standards Association) qui pr\u00e9side aux destin\u00e9es de cette interface. 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