D\u00e9couvrez la gamme Gefen 2018 : conversion, s\u00e9lection, distribution - Blog Eavs Groupe<\/title>\n<meta name=\"description\" content=\"Que ce soit pour le corporate, le broadcast, l'\u00e9v\u00e9nementiel, l'\u00e9ducation ou l'institutionnel, la gamme Gefen renferme forc\u00e9ment les solutions qui r\u00e9pondent aux projets d'aujourd'hui.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9couvrez la gamme Gefen 2018 : conversion, s\u00e9lection, distribution - Blog Eavs Groupe\" \/>\n<meta property=\"og:description\" content=\"Que ce soit pour le corporate, le broadcast, l'\u00e9v\u00e9nementiel, l'\u00e9ducation ou l'institutionnel, la gamme Gefen renferme forc\u00e9ment les solutions qui r\u00e9pondent aux projets d'aujourd'hui.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog Eavs Groupe\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/pages\/Groupe-EAVS\/139580448201?fref=ts\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-29T11:41:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.eavs-groupe.com\/wp-content\/uploads\/2018\/01\/Gamme-Gefen.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"850\" \/>\n\t<meta property=\"og:image:height\" content=\"567\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alban\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@eavsgroupe\" \/>\n<meta name=\"twitter:site\" content=\"@eavsgroupe\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Alban\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\"},\"author\":{\"name\":\"Alban\",\"@id\":\"https:\/\/blog.eavs-groupe.com\/#\/schema\/person\/1887df676edd1d02e4a2d6131fee9d17\"},\"headline\":\"D\u00e9couvrez la gamme Gefen 2018 : conversion, s\u00e9lection, distribution\",\"datePublished\":\"2018-01-29T11:41:03+00:00\",\"dateModified\":\"2018-01-29T11:41:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\"},\"wordCount\":1140,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\/\/blog.eavs-groupe.com\/#organization\"},\"keywords\":[\"gamme Gefen\"],\"articleSection\":[\"Actualit\u00e9 de nos m\u00e9tiers\",\"Broadcast\",\"Corporate\",\"Education\",\"Gouvernement\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\",\"url\":\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\",\"name\":\"D\u00e9couvrez la gamme Gefen 2018 : conversion, s\u00e9lection, distribution - 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$\"D\u00e9couvrez$ <\/p>\n

Les produits Gefen<\/a> s’adressent \u00e0 la plupart des environnements audiovisuels. Que ce soit pour le corporate, le broadcast, l’\u00e9v\u00e9nementiel, l’\u00e9ducation ou l’institutionnel, la gamme Gefen<\/a> renferme forc\u00e9ment les solutions qui r\u00e9pondent aux projets d’aujourd’hui. On peut les classer dans trois grandes cat\u00e9gories : la conversion de signal, la s\u00e9lection et la distribution.<\/p>\n

<\/p>\n

Quelles sont les applications des produits Gefen ?<\/h2>\n
Les produits Gefen<\/a> peuvent \u00eatre convoqu\u00e9s d\u00e8s qu’il y a besoin d’afficher un signal audio\/vid\u00e9o.<\/p>\n
\n
Conversion :<\/strong> un signal est dans un format diff\u00e9rent de celui affichable par le diffuseur. Le signal d’origine peut \u00e9galement \u00eatre dans une r\u00e9solution non HD que l’on veut passer en HD.<\/li>\n<\/ul>\n
Un exemple dans le monde du broadcast<\/strong> : il faut transformer la sortie 3GSDI d’un cam\u00e9ra en signal HDMI pour un afficheur non \u00e9quip\u00e9 d’entr\u00e9es SDI.<\/p>\n
\n
S\u00e9lection :<\/strong> on a plusieurs signaux \u00e0 disposition, mais un seul afficheur, ou au contraire, on a un seul signal et plusieurs afficheurs. Il y a aussi la possibilit\u00e9 d’avoir plusieurs signaux et plusieurs afficheurs.<\/li>\n<\/ul>\n
Un exemple dans le monde de l’\u00e9ducation<\/strong> : le formateur veut pouvoir afficher le contenu de n’importe lequel des PC de formation sur les diff\u00e9rents \u00e9crans du mur d’images.<\/p>\n
\n
Distribution :<\/strong> la source est \u00e9loign\u00e9e du diffuseur, qu’ils soient dans la m\u00eame pi\u00e8ce ou dans des pi\u00e8ces \u00e9loign\u00e9es.<\/li>\n<\/ul>\n
Un exemple dans le monde du corporate<\/strong> : dans la grande salle de r\u00e9union, le PC de l’intervenant est au moins \u00e0 20 m\u00e8tres du vid\u00e9oprojecteur install\u00e9 au plafond, en fond de salle.<\/p>\n
Les possibilit\u00e9s sont vastes et couvrent tous les cas de figure que l’on peut esp\u00e9rer rencontrer dans les projets audiovisuels, des plus petits aux plus complexes.<\/p>\n
<\/p>\n
Les produits Gefen pour la conversion de signal<\/h2>\n
Dans le domaine de la conversion de signal, les produits sont r\u00e9partis en trois cat\u00e9gories :<\/p>\n
\n
audio\/vid\u00e9o :<\/strong> sont couverts le composite, le VGA, le DVI, le HDMI et le 3GSDI<\/li>\n
vid\u00e9o :<\/strong> VGA, DVI, HDMI<\/li>\n
audio<\/a> :<\/strong> analogique, num\u00e9rique optique et coaxial<\/li>\n<\/ul>\n
$\"Gefen$ <\/p>\n
Dans la s\u00e9rie audio\/vid\u00e9o, on trouve \u00e9galement des scalers qui acceptent de multiples formats en entr\u00e9e et en sortie. Alors que les autres produits sont bien sp\u00e9cifiques \u00e0 un format en entr\u00e9e et un format en sortie.<\/p>\n
<\/p>\n
Les produits Gefen pour la s\u00e9lection de sources<\/h2>\n
Lorsque l’on a plusieurs sources et\/ou plusieurs diffuseurs, il faut pouvoir d\u00e9cider quel signal va \u00e0 quel endroit. Les produits correspondants sont s\u00e9par\u00e9s en trois cat\u00e9gories :<\/p>\n
\n
s\u00e9lecteur :<\/strong> lorsqu’il faut s\u00e9lectionner une source parmi plusieurs, que l’on envoie vers un seul afficheur<\/li>\n
distributeur :<\/strong> une seule source doit \u00eatre distribu\u00e9e vers plusieurs afficheurs<\/li>\n
matrice :<\/strong> la combinaison du s\u00e9lecteur et du distributeur, quand il y a plusieurs sources et plusieurs afficheurs<\/li>\n<\/ul>\n
$\"Gefen$ <\/p>\n
L\u00e0 encore, Gefen propose une gamme exhaustive de produits qui couvrent les trois formats num\u00e9riques courants : DVI, HDMI et DisplayPort.<\/p>\n
<\/p>\n
Les produits Gefen pour la distribution sur de grandes longueurs<\/h2>\n
Une fois que le signal est dans le bon format et que la source a \u00e9t\u00e9 s\u00e9lectionn\u00e9e, il faut encore transmettre le signal. Les sources, distributeurs et matrices sont rarement positionn\u00e9es \u00e0 c\u00f4t\u00e9 des diffuseurs, mais plut\u00f4t dans une r\u00e9gie ou un rack technique. Les signaux num\u00e9riques complexes \u00e0 large bande passante ne peuvent passer sur des cordons HDMI ou DVI de grande longueur sans risque de perte.\u00a0Le c\u00e2ble r\u00e9seau et la fibre optique sont les bonnes solutions !<\/p>\n
\n
DVI<\/strong> sur\u00a01 c\u00e2ble r\u00e9seau Cat5a ou une fibre optique jusqu’\u00e0 2 km, avec ou sans KVM<\/li>\n
HDMI<\/strong> \u00a0sur 1 c\u00e2ble r\u00e9seau Cat5a ou une fibre optique<\/li>\n
sans fil<\/strong> (r\u00e9f\u00e9rences WHD)<\/li>\n
AV-over-IP<\/strong> (r\u00e9f\u00e9rences LAN)<\/li>\n<\/ul>\n
$\"Gefen$ <\/p>\n
Beaucoup d’autres r\u00e9f\u00e9rences existent pour le DisplayPort, le VGA, l’audio<\/a> <\/strong>et l’USB<\/strong>. Les extenders peuvent prendre la forme d’un bo\u00eetier plus ou moins complet ou, pour le DVI, d’une simple prise avec entr\u00e9e optique.<\/p>\n
Concernant la 4K en particulier, il y a plusieurs gammes que l’on peut distinguer par leur capacit\u00e9 en bande passante. Voil\u00e0 comment les diff\u00e9rencier :<\/p>\n
\n
1. r\u00e9solution 4K @ 60Hz 4:2:0 :\u00a01 c\u00e2ble r\u00e9seau Cat5a – r\u00e9f\u00e9rences UHD-HBT<\/strong> ou HBT2 ou HDBT<\/li>\n
2. r\u00e9solution 4K @ 60Hz 4:4:4 compress\u00e9 sans perte :\u00a01 c\u00e2ble r\u00e9seau Cat5a – r\u00e9f\u00e9rences UHD-600<\/strong><\/li>\n
3. r\u00e9solution 4K @ 60Hz 4:4:4 non compress\u00e9 : fibre optique – r\u00e9f\u00e9rences UHD-600 SC<\/strong><\/li>\n<\/ul>\n
Dans tous les cas, Gefen conseille d’utiliser un c\u00e2ble r\u00e9seau Cat\u00e9gorie 6a STP (blind\u00e9) pour se trouver dans des conditions optimales.<\/p>\n
<\/p>\n
La combinaison de la s\u00e9lection et de la distribution<\/h2>\n
Certaines matrices de s\u00e9lection disposent d’extenders de distribution int\u00e9gr\u00e9s. En plus des sorties HDMI traditionnelles, on va trouver directement des prises r\u00e9seau. Il suffit de tirer un c\u00e2ble jusqu’au diffuseur, et d’installer \u00e0 c\u00f4t\u00e9 de celui-ci le r\u00e9cepteur compatible.<\/p>\n
$\"Gefen$ <\/p>\n
C’est le cas par exemple de la matrice\u00a0GEF-UHD-89-HBT2. Elle propose huit entr\u00e9es et huit sorties et est livr\u00e9e avec ses huit r\u00e9cepteurs sur c\u00e2ble Cat5. Sa compatibilit\u00e9 4K\/Ultra HD monte jusqu’\u00e0 60 Hz 4:2:0 ou 30 Hz 4:4:4.<\/p>\n
<\/p>\n
Le logiciel Syner-G pour configurer et superviser les appareils Gefen<\/h2>\n
Un grand nombre des produits Gefen peut se connecter au r\u00e9seau. Le premier avantage est de pouvoir les piloter depuis un contr\u00f4leur g\u00e9n\u00e9ral tel que le Gefen EXT-CU-LAN, ou via un automate tiers. Mais c’est aussi et surtout une entr\u00e9e vers la supervision des appareils.<\/p>\n
Le logiciel Gefen Syner-G se connecte \u00e0 tous les appareils Gefen raccord\u00e9s au r\u00e9seau local. Il propose cinq fonctionnalit\u00e9s principales :<\/p>\n
\n
D\u00e9couvrir :<\/strong> Syner-G voit automatiquement tous les produits Gefen sur le r\u00e9seau, leur adresse IP et permet de la modifier<\/li>\n
Configurer :<\/strong> donne acc\u00e8s \u00e0 toutes les possibilit\u00e9s du produit (entr\u00e9es, sorties, r\u00e9solutions, etc.)<\/li>\n
Editeur EDID :<\/strong> pour modifier et personnaliser l’EDID afin d’\u00e9viter l’\u00e9cran noir<\/li>\n
Supervision :<\/strong> permet de v\u00e9rifier la qualit\u00e9 de la liaison dans le temps, pour un extendeur par exemple<\/li>\n
Mise \u00e0 jour :<\/strong> pour mettre \u00e0 jour le firmware des produits<\/li>\n<\/ul>\n
$\"Gefen$ <\/p>\n
Cet outil tr\u00e8s puissant est incontournable. Quand il y a encore quelques ann\u00e9es on ne savait pas du tout ce qu’il se passait dans les appareils, ce type de logiciel sur le r\u00e9seau permet enfin d’avoir une vue \u00e0 360\u00b0.<\/p>\n
<\/p>\n
En r\u00e9sum\u00e9, Gefen est le sp\u00e9cialiste de la distribution vid\u00e9o au sens large. Cela englobe le traitement du signal (conversion), sa manipulation (s\u00e9lection) et sa transmission (distribution). Tout projet de distribution jusqu’\u00e0 16 sources \/ 16 zones, de la SD \u00e0 la 4K @ 60 Hz et HDR, peut \u00eatre int\u00e9gralement g\u00e9r\u00e9 et supervis\u00e9 par des produits Gefen.<\/p>\n
Plus d’infos : Gefen<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"
Les produits Gefen s’adressent \u00e0 la plupart des environnements audiovisuels. Que ce soit pour le corporate, le broadcast, l’\u00e9v\u00e9nementiel, l’\u00e9ducation ou l’institutionnel, la gamme Gefen renferme forc\u00e9ment les solutions qui r\u00e9pondent aux projets d’aujourd’hui. On peut les classer dans trois grandes cat\u00e9gories : la conversion de signal, la s\u00e9lection et la distribution. Quelles sont […]<\/p>\n","protected":false},"author":106,"featured_media":23091,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,30,34,35,29],"tags":[5520],"yoast_head":"\nD\u00e9couvrez la gamme Gefen 2018 : conversion, s\u00e9lection, distribution - Blog Eavs Groupe<\/title>\n<meta name=\"description\" content=\"Que ce soit pour le corporate, le broadcast, l'\u00e9v\u00e9nementiel, l'\u00e9ducation ou l'institutionnel, la gamme Gefen renferme forc\u00e9ment les solutions qui r\u00e9pondent aux projets d'aujourd'hui.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.eavs-groupe.com\/actualite-de-nos-metiers\/decouvrez-gamme-gefen-2018-conversion-selection-distribution\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9couvrez la gamme Gefen 2018 : conversion, s\u00e9lection, distribution - 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Les produits Gefen pour la s\u00e9lection de sources<\/h2>\nLorsque l’on a plusieurs sources et\/ou plusieurs diffuseurs, il faut pouvoir d\u00e9cider quel signal va \u00e0 quel endroit. Les produits correspondants sont s\u00e9par\u00e9s en trois cat\u00e9gories :<\/p>\n