{"id":143602,"date":"2017-09-25T21:31:44","date_gmt":"2017-09-25T21:31:44","guid":{"rendered":"https:\/\/\/renesas-electronics-developpe-une-solution-de-voix-sur-cpl\/"},"modified":"2017-09-25T21:31:44","modified_gmt":"2017-09-25T21:31:44","slug":"renesas-electronics-developpe-une-solution-de-voix-sur-cpl","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/renesas-electronics-developpe-une-solution-de-voix-sur-cpl\/","title":{"rendered":"Renesas Electronics d\u00e9veloppe une solution de voix sur CPL"},"content":{"rendered":"<p>Cette nouvelle solution CPL r\u00e9duit la quantit\u00e9 de c\u00e2blage interne requise dans les b\u00e2timents, ce qui induit une diminution des co\u00fbts d\u2019impl\u00e9mentation et de maintenance pour les syst\u00e8mes de diffusion d\u2019information vocale publique et de s\u00e9curit\u00e9.<\/p>\n<p>La solution se compose du modem logiciel CPL de Renesas (R9A06G037), qui g\u00e8re les communications CPL pendant que le RX651 assure le traitement audio. La nouvelle solution permet aux fabricants d&rsquo;am\u00e9liorer les syst\u00e8mes de s\u00e9curit\u00e9 en int\u00e9grant des capacit\u00e9s vocales \u00e0 une installation existante pour un faible co\u00fbt. Pour une nouvelle installation incluant diff\u00e9rents capteurs ainsi que la communication vocale, les co\u00fbts de c\u00e2blage peuvent \u00eatre ainsi r\u00e9duits d&rsquo;environ 60%, tandis qu\u2019une \u00e9conomie atteignant 40% peut \u00eatre r\u00e9alis\u00e9e sur les co\u00fbts d&rsquo;installation et de maintenance.<\/p>\n<p>Typiquement, les immeubles de bureaux disposent g\u00e9n\u00e9ralement d\u2019un grand nombre de syst\u00e8mes de gestion, comprenant des syst\u00e8mes de climatisation, d&rsquo;\u00e9clairage, des capteurs de diff\u00e9rents types, des syst\u00e8mes d\u2019annonces (PA) et des syst\u00e8mes de s\u00e9curit\u00e9. Si jusqu\u2019\u00e0 pr\u00e9sent chacun de ces syst\u00e8mes exigeait son propre c\u00e2blage d\u00e9di\u00e9 pour la communication, une tendance r\u00e9cente consiste \u00e0 utiliser les lignes \u00e9lectriques CC du syst\u00e8me d&rsquo;alimentation d\u00e9j\u00e0 install\u00e9es.&nbsp;<\/p>\n<p>N\u00e9anmoins, les tentatives d&rsquo;utilisation de lignes \u00e9lectriques pour la communication vocale se sont heurt\u00e9es \u00e0 des probl\u00e8mes de mauvaise qualit\u00e9 audio en raison des fluctuations du temps de propagation. Pour r\u00e9soudre ce probl\u00e8me, la solution Renesas utilise le contr\u00f4le de priorit\u00e9 lors de la transmission audio pour \u00e9liminer virtuellement les fluctuations de d\u00e9lai dans la communication vocale, m\u00eame dans les cas o\u00f9 la transmission d\u2019un signal de contr\u00f4le et la communication vocale op\u00e8rent sur les m\u00eames lignes \u00e9lectriques. Ainsi, une qualit\u00e9 audio stable est garantie \u00e0 tout moment. En outre, le contr\u00f4le de priorit\u00e9 audio, combin\u00e9 de mani\u00e8re optimale avec la technologie CPL \u00e0 bande passante \u00e9troite de Renesas permet la transmission sur des distances sup\u00e9rieures au kilom\u00e8tre sans utilisation de r\u00e9p\u00e9teurs. En permettant de superposer la communication des donn\u00e9es et la communication vocale via les r\u00e9seaux \u00e9lectriques existants, la nouvelle solution r\u00e9duit la quantit\u00e9 de c\u00e2blage n\u00e9cessaire aux syst\u00e8mes de gestion des b\u00e2timents et contribue \u00e0 diminuer les co\u00fbts de maintenance.<\/p>\n<p><a href=\"http:\/\/www.renesas.com\/\">www.renesas.com<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Renesas Electronics a annonc\u00e9 sa solution de voix sur CPL (Courant Porteur en Ligne) permettant la transmission aussi bien de la voix que des donn\u00e9es via les r\u00e9seaux d&rsquo;alimentation existants. <\/p>\n","protected":false},"author":9,"featured_media":143603,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[880],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-143602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites-economiques","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Renesas Electronics d\u00e9veloppe une solution de voix sur CPL ...<\/title>\n<meta name=\"description\" content=\"Renesas Electronics a annonc\u00e9 sa solution de voix sur CPL (Courant Porteur en Ligne) permettant la transmission aussi bien de la voix que des donn\u00e9es via...\" \/>\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.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/143602\/\" \/>\n<meta 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