{"id":443183,"date":"2024-02-06T16:52:58","date_gmt":"2024-02-06T15:52:58","guid":{"rendered":"https:\/\/www.ecinews.fr\/?p=443183"},"modified":"2024-02-06T16:52:58","modified_gmt":"2024-02-06T15:52:58","slug":"decodeur-video-a-quatre-canaux-pour-les-cameras-automobiles","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/decodeur-video-a-quatre-canaux-pour-les-cameras-automobiles\/","title":{"rendered":"D\u00e9codeur vid\u00e9o \u00e0 quatre canaux pour les cam\u00e9ras automobiles"},"content":{"rendered":"<h3>Le tout dernier dispositif de sa gamme Automotive HD Link (AHL) propos\u00e9 par Renesas permet aux constructeurs automobiles de fournir des vid\u00e9os haute d\u00e9finition via de la connectique et du c\u00e2blage \u00e0 bas co\u00fbt.<\/h3>\n<p>Le nouveau d\u00e9codeur vid\u00e9o AHL \u00e0 4 canaux RAA279974 traite simultan\u00e9ment quatre entr\u00e9es, permettant ainsi une solution \u00e9conomique pour les applications de vision \u00e0 360 degr\u00e9s et celles n\u00e9cessitant plusieurs cam\u00e9ras. La technologie AHL de Renesas utilise un signal analogique modul\u00e9 pour transmettre la vid\u00e9o. La fr\u00e9quence est donc 10 fois inf\u00e9rieure aux solutions de transmission num\u00e9rique disponibles sur le march\u00e9 aujourd&rsquo;hui (~37 MHz contre &gt;3 GHz), la rendant robuste contre le bruit et permettant des distances de transmission plus longues (20-30 m) avec des c\u00e2bles \u00e0 paires torsad\u00e9es non blind\u00e9es et des connecteurs standard. Les c\u00e2bles et connecteurs analogiques de vid\u00e9o standard existants peuvent \u00e9galement \u00eatre utilis\u00e9s. L&rsquo;utilisation de c\u00e2bles \u00e0 paires torsad\u00e9es non blind\u00e9es r\u00e9duit non seulement les co\u00fbts, mais facilite \u00e9galement le cheminement \u00e0 travers le v\u00e9hicule, offrant un poids plus l\u00e9ger pour une meilleure efficacit\u00e9 \u00e9nerg\u00e9tique et des performances am\u00e9lior\u00e9es. Les liaisons num\u00e9riques tels que SerDes n\u00e9cessitent des c\u00e2bles fortement blind\u00e9s et des connecteurs haut de gamme qui co\u00fbtent consid\u00e9rablement plus cher que ceux pour AHL et peuvent n\u00e9cessiter un remplacement apr\u00e8s cinq \u00e0 sept ans.<\/p>\n<p>Le RAA279974 compl\u00e8te la famille AHL, qui comprend le RAA279971, un encodeur vid\u00e9o AHL \u00e0 canal unique, et le RAA279972, un d\u00e9codeur vid\u00e9o AHL \u00e0 canal unique. Le RAA279974 est un apport important \u00e0 la famille AHL, car la plupart des \u00e9quipementiers automobiles souhaitent prendre en charge plusieurs cam\u00e9ras dans les v\u00e9hicules pour des applications telles que les moniteurs d&rsquo;assistance au stationnement \u00e0 vue panoramique. Le syst\u00e8me AHL peut \u00eatre associ\u00e9 \u00e0 des SoC automobiles R-Car, des MCU RH850, des PMIC automobiles et des composants analogiques pour mettre en \u0153uvre de mani\u00e8re rentable de nombreuses fonctionnalit\u00e9s de s\u00e9curit\u00e9 dans pratiquement tous les v\u00e9hicules. Renesas propose plusieurs bloc diagrammes mettant en \u00e9vidence les combinaisons optimales des composants pour permettre aux fabricants de mettre en \u0153uvre rapidement des conceptions vid\u00e9o pr\u00e9-test\u00e9es.<\/p>\n<p>\u00ab\u00a0Les syst\u00e8mes de s\u00e9curit\u00e9 \u00e0 cam\u00e9ras multiples deviennent rapidement une caract\u00e9ristique incontournable pour de nombreux consommateurs\u00a0\u00bb, a d\u00e9clar\u00e9\u00a0Davin Lee, vice-pr\u00e9sident du groupe de produits Analog &amp; Connectivity. \u00ab\u00a0Le syst\u00e8me AHL permet \u00e0 nos clients du secteur automobile de proposer d\u00e9sormais ces fonctionnalit\u00e9s dans tous les nouveaux v\u00e9hicules, y compris les mod\u00e8les \u00e9conomiques.\u00a0\u00bb<\/p>\n<p>Le syst\u00e8me AHL est robuste contre le bruit et offre une excellente qualit\u00e9 d&rsquo;image. En raison de la nature fondamentale d&rsquo;un signal analogique, une transmission vid\u00e9o AHL est sup\u00e9rieure contre le bruit et les interf\u00e9rences. Alors qu&rsquo;une liaison num\u00e9rique entra\u00eenera une perte d&rsquo;image dans n&rsquo;importe quelle condition bruit\u00e9e, le syst\u00e8me AHL conservera une bonne image en temps r\u00e9el dans cet environnement, offrant ainsi une solution avec une s\u00e9curit\u00e9 accrue.<\/p>\n<p><a href=\"http:\/\/www.renesas.com\/RAA279974\">www.renesas.com\/RAA279974<\/a>.<\/p>\n<p><a href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMJbcwQswuPfYAw?hl=fr&amp;gl=BE&amp;ceid=BE:fr\">Suivre ECInews sur Google news<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le tout dernier dispositif de sa gamme Automotive HD Link (AHL) propos\u00e9 par Renesas permet aux constructeurs automobiles de fournir des vid\u00e9os haute d\u00e9finition via de la connectique et du c\u00e2blage \u00e0 bas co\u00fbt. Le nouveau d\u00e9codeur vid\u00e9o AHL \u00e0 4 canaux RAA279974 traite simultan\u00e9ment quatre entr\u00e9es, permettant ainsi une solution \u00e9conomique pour les applications [&hellip;]<\/p>\n","protected":false},"author":36,"featured_media":443188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[891],"domains":[47],"ppma_author":[1154],"class_list":["post-443183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-automotive-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>D\u00e9codeur vid\u00e9o \u00e0 quatre canaux pour les cam\u00e9ras automobiles ...<\/title>\n<meta name=\"description\" content=\"Le tout dernier dispositif de sa gamme Automotive HD Link (AHL) propos\u00e9 par Renesas permet aux constructeurs automobiles de fournir des vid\u00e9os haute...\" \/>\n<meta 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