{"id":170859,"date":"2017-05-31T09:00:00","date_gmt":"2017-05-31T09:00:00","guid":{"rendered":"https:\/\/eenewseurope.artwhere.co\/dsp-a-grande-capacite-memoire\/"},"modified":"2017-05-31T09:00:00","modified_gmt":"2017-05-31T09:00:00","slug":"dsp-a-grande-capacite-memoire","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/dsp-a-grande-capacite-memoire\/","title":{"rendered":"DSP \u00e0 grande capacit\u00e9 m\u00e9moire"},"content":{"rendered":"

Analog Devices vient d’annoncer quatre nouveaux processeurs de signal num\u00e9rique (DSP) qualifi\u00e9s automobile. Con\u00e7us pour r\u00e9pondre aux exigences des derniers algorithmes audio, les SigmaDSP ADAU1466 et ADAU1467 affichent des performances \u00e0 la pointe du march\u00e9 des processeurs DSP \u00e0 virgule fixe, avec des m\u00e9moires internes pour le stockage des programmes et des donn\u00e9es respectivement multipli\u00e9s trois et deux fois sup\u00e9rieures aux mod\u00e8les de g\u00e9n\u00e9ration pr\u00e9c\u00e9dente. Les mod\u00e8les ADAU1463 et ADAU1467 sont dot\u00e9s de huit broches configurables, pour faciliter la gestion du mode mains-libres, de la suppression active de bruit, et des algorithmes de r\u00e9duction de bruit acoustique.<\/p>\n

Ces DSP reposent sur une architecture mat\u00e9rielle optimis\u00e9e pour le traitement audio et s’appuient sur l\u2019outil de programmation graphique SigmaStudio d\u2019ADI tr\u00e8s facile \u00e0 ma\u00eetriser. Dot\u00e9s selon les mod\u00e8les d\u2019un c\u0153ur 150 MHz ou 300 MHz, ces DSP int\u00e8grent des convertisseurs de fr\u00e9quence d\u2019\u00e9chantillonnage asynchrones (ASRC) st\u00e9r\u00e9o, une matrice de routage des signaux audio, une m\u00e9moire RAM deux fois plus importante que les g\u00e9n\u00e9rations pr\u00e9c\u00e9dentes, et un g\u00e9n\u00e9rateur d\u2019horloges \u00e0 PLL. Selon les versions, ces DSP sont conditionn\u00e9s en bo\u00eetiers LFCSP 72 billes (10 x 10 mm) ou 88 billes (12 x 12 mm).<\/p>\n","protected":false},"excerpt":{"rendered":"

La nouvelle g\u00e9n\u00e9ration de DSP d\u2019Analog Devices dispose d\u2019une plus grande capacit\u00e9 m\u00e9moire pour r\u00e9pondre aux besoins des applications audio automobiles<\/p>\n","protected":false},"author":9,"featured_media":170860,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[881],"tags":[],"domains":[47],"ppma_author":[1141],"class_list":["post-170859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nouveaux-produits","domains-electronique-eci"],"acf":[],"yoast_head":"DSP \u00e0 grande capacit\u00e9 m\u00e9moire ...<\/title>\n<meta name=\"description\" content=\"La nouvelle g\u00e9n\u00e9ration de DSP d\u2019Analog Devices dispose d\u2019une plus grande capacit\u00e9 m\u00e9moire pour r\u00e9pondre aux besoins des applications audio...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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