{"id":206798,"date":"2016-06-22T00:00:00","date_gmt":"2016-06-22T00:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/des-processeurs-audio-hautes-performances-a-moindre-cout\/"},"modified":"2016-06-22T00:00:00","modified_gmt":"2016-06-22T00:00:00","slug":"des-processeurs-audio-hautes-performances-a-moindre-cout","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/des-processeurs-audio-hautes-performances-a-moindre-cout\/","title":{"rendered":"Des processeurs audio hautes performances \u00e0 moindre co\u00fbt"},"content":{"rendered":"<p>Ces processeurs sont compatibles avec les gammes de temp\u00e9rature qui caract\u00e9risent l\u2019environnement automobile sans qu\u2019il soit n\u00e9cessaire de recourir \u00e0 des radiateurs ou des ventilateurs aussi on\u00e9reux qu\u2019encombrants, ce qui \u00e9conomise l\u2019espace occup\u00e9 dans l\u2019application finale. En associant la technologie SHARC aux fonctions de contr\u00f4le syst\u00e8me du processeur ARM Cortex-A5, ils forment une solution performante et \u00e9conomique qui convient \u00e0 des applications complexes telles que les formats audio Dolby Atmos&nbsp; et DTS:X, ou les fonctions d\u2019annulation active du bruit avec une marge de performances suffisante pour accomplir d\u2019autres t\u00e2ches de post-traitement audio.<br \/>\nParmi les applications vis\u00e9es figurent les syst\u00e8mes audio automobiles haut de gamme, les applications audio grand public et professionnelles, ainsi que les syst\u00e8mes industriels qui exigent des performances \u00e9lev\u00e9es en virgule flottante.<\/p>\n<p>Dans la s\u00e9rie ADSP-SC57x, les c\u0153urs SHARC+ et les acc\u00e9l\u00e9rateurs de DSP assurent des performances en temps r\u00e9el, tandis que le processeur ARM Cortex-A5 g\u00e8re la connectivit\u00e9 et le fonctionnement du syst\u00e8me. Si n\u00e9cessaire, le moteur ARM NEON apporte une capacit\u00e9 de traitement du signal suppl\u00e9mentaire. Ces caract\u00e9ristiques sont associ\u00e9es aux technologies d\u2019interface les plus r\u00e9centes, parmi lesquelles Gigabit Ethernet AVB, MLB pour MOST150, CAN&nbsp;2.0B, USB&nbsp;2.0, ainsi qu\u2019aux capacit\u00e9s de stockage mobile. Toutes ces technologies sont g\u00e9r\u00e9es s\u00e9par\u00e9ment par le processeur ARM et offrent la flexibilit\u00e9 de conception optimale inh\u00e9rente \u00e0 l\u2019utilisation d\u2019une s\u00e9rie de produits commune.<br \/>\nCes processeurs sont encapsul\u00e9s en deux types de bo\u00eetier, LQFP-EP 176 ou CSP BGA 400, b\u00e9n\u00e9ficiant de plus de 2 Mo de &nbsp;m\u00e9moire int\u00e9gr\u00e9e, avec ou sans m\u00e9moire externe DDR3(L)\/DDR2\/LPDDR1. Ces options donnent aux concepteurs la possibilit\u00e9 d\u2019optimiser \u00e0 la fois le co\u00fbt en nomenclature et la complexit\u00e9 de la carte \u00e9lectronique.<\/p>\n<p>La s\u00e9rie ADSP-2157x est con\u00e7ue pour les applications qui requi\u00e8rent seulement les DSP. Elle comprend deux c\u0153urs SHARC+, un jeu de p\u00e9riph\u00e9riques orient\u00e9 DSP et des acc\u00e9l\u00e9rateurs de calcul. Face aux besoins des applications automobiles et grand public en algorithmes audio de plus en plus complexes, tels que le d\u00e9codage audio multi-canal et l\u2019annulation active du niveau de bruit, les hautes performances en traitement du signal num\u00e9rique (DSP) de cette s\u00e9rie permettent de r\u00e9pondre aux exigences les plus \u00e9lev\u00e9es.<\/p>\n<hr \/>\n<p>Afin de minimiser les inqui\u00e9tudes croissantes de l\u2019industrie en mati\u00e8re de protection IP, ces processeurs incluent la technologie de s\u00e9curit\u00e9 ARM TrustZone, des acc\u00e9l\u00e9rateurs de chiffrement mat\u00e9riels embarqu\u00e9s et une m\u00e9moire OTP s\u00e9curis\u00e9e pour le stockage des cl\u00e9s de chiffrement.<br \/>\nIls b\u00e9n\u00e9ficient de la suite CrossCore Embedded Studio propri\u00e9taire qui fournit aux concepteurs des outils de d\u00e9veloppement interactifs en temps r\u00e9el. De plus, la prise en charge de l\u2019environnement SigmaStudio permet d\u2019acc\u00e9der \u00e0 une large s\u00e9lection de biblioth\u00e8ques audio optimis\u00e9es ainsi qu\u2019\u00e0 des outils graphiques de mise au point (tuning) et de d\u00e9veloppement audio simples d\u2019emploi qui acc\u00e9l\u00e8rent la mise sur le march\u00e9.<br \/>\nUne pile de communications Ethernet AVB libre de droits optimis\u00e9e, d\u00e9velopp\u00e9e et g\u00e9r\u00e9e par ADI, des pilotes AUTOSAR MCAL et de nombreux algorithmes et composants logiciels tierce partie sont propos\u00e9s sp\u00e9cifiquement pour les applications automobiles. Un support Linux et RTOS Micrium est \u00e9galement existant pour les processeurs ADSP-SC57x.<\/p>\n<p><a href=\"http:\/\/www.analog.com\/SC57x\" target=\"_blank\" rel=\"noopener\">www.analog.com\/SC57x<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La gamme de processeurs multi-c\u0153urs mono-puce SHARC d\u2019Analog Devices s\u2019\u00e9tend avec les s\u00e9ries ADSP-SC57x et ADSP-2157x. Ces processeurs optimisent l\u2019exp\u00e9rience audio en am\u00e9liorant la qualit\u00e9 acoustique et en permettant de r\u00e9aliser des syst\u00e8mes audio qui offrent un niveau de fiabilit\u00e9 accru \u00e0 un moindre co\u00fbt. <\/p>\n","protected":false},"author":9,"featured_media":206799,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[906],"domains":[47],"ppma_author":[1141],"class_list":["post-206798","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","tag-mpus-mcus-fr","domains-electronique-eci"],"acf":[],"yoast_head":"<title>Des processeurs audio hautes performances \u00e0 moindre co\u00fbt ...<\/title>\n<meta name=\"description\" content=\"La gamme de processeurs multi-c\u0153urs mono-puce SHARC d\u2019Analog Devices s\u2019\u00e9tend avec les s\u00e9ries ADSP-SC57x et ADSP-2157x. 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Ces processeurs optimisent l\u2019exp\u00e9rience audio en am\u00e9liorant la qualit\u00e9 acoustique et en permettant de r\u00e9aliser des syst\u00e8mes audio qui offrent un niveau de fiabilit\u00e9 accru \u00e0 un moindre co\u00fbt.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ecinews.fr\/fr\/wp-json\/wp\/v2\/posts\/206798\/\" \/>\n<meta property=\"og:site_name\" content=\"EENewsEurope\" \/>\n<meta property=\"article:published_time\" content=\"2016-06-22T00:00:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ecinews.fr\/wp-content\/uploads\/import\/default\/files\/sites\/default\/files\/images\/eci7929_analog_devices_adsp-sc57x-and-adsp-2157x_r.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"400\" \/>\n\t<meta property=\"og:image:height\" content=\"317\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Alain Dieul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta 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