{"id":181819,"date":"2026-05-31T02:48:07","date_gmt":"2026-05-31T00:48:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/avm-1-0-0"},"modified":"2026-05-31T02:48:07","modified_gmt":"2026-05-31T00:48:08","slug":"avm-1-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/avm-1-0-0","title":{"rendered":"AVM 1.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2026\/05\/eca437054988e84772aec0f34ffee525.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><noindex>      <noindex><\/p>\n<p>Alliance Open Media (<a rel=\"nofollow\" href=\"https:\/\/www.aomedia.org\">AOMedia<\/a>), qui supervise le d\u00e9veloppement des formats de codage vid\u00e9o AV1\/AV2, du format audio spatial IAMF et du format d'image AVIF, <a rel=\"nofollow\" href=\"https:\/\/github.com\/AOMediaCodec\/avm\/releases\/tag\/v1.0.0\">a publi\u00e9<\/a> version du projet <a rel=\"nofollow\" href=\"https:\/\/github.com\/AOMediaCodec\/avm\">AVM (github.com)<\/a> 1.0.0, d\u00e9veloppant la mise en \u0153uvre de r\u00e9f\u00e9rence officielle de l'encodeur et du d\u00e9codeur pour le format de codage vid\u00e9o AV2. AVM inclut des optimisations pour les processeurs bas\u00e9s sur l'architecture ARM64, x86_64 et MIPS, r\u00e9alis\u00e9es en utilisant des jeux d'instructions avanc\u00e9s NEON, AVX2, SSE2\/3\/4, MSA et DSPr2. Le code AVM est \u00e9crit en C et distribu\u00e9 sous licence BSD.<\/p>\n<p><\/noindex><\/noindex><br \/>\n<noindex><\/p>\n<p>Codec <a rel=\"nofollow\" href=\"https:\/\/av2.aomedia.org\">AV2 (aomedia.org)<\/a> ne n\u00e9cessite pas de paiements de redevances et est d\u00e9velopp\u00e9 comme successeur du format AV1. Les caract\u00e9ristiques du codec AV2 :<\/p>\n<p><\/noindex><\/p>\n<ul>\n<li>Optimisation pour une utilisation dans le streaming;<\/li>\n<li>Pr\u00e9cision am\u00e9lior\u00e9e dans la pr\u00e9diction des changements inter-images;<\/li>\n<li>Am\u00e9lioration significative par rapport \u00e0 AV1 en termes de performance de compression;<\/li>\n<li>Prise en charge \u00e9tendue des capacit\u00e9s pour la r\u00e9alit\u00e9 virtuelle et augment\u00e9e;<\/li>\n<li>Support d'une plage de qualit\u00e9 visuelle plus large;<\/li>\n<li>Possibilit\u00e9 de d\u00e9livrer plusieurs vid\u00e9os simultan\u00e9ment dans un seul flux vid\u00e9o tout en soutenant leur affichage s\u00e9par\u00e9 \u00e0 l'\u00e9cran;<\/li>\n<li>Filtres suppl\u00e9mentaires pour r\u00e9duire le bruit, diminuer les artefacts de compression et pr\u00e9server la d\u00e9finition.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>Lors des tests d'une des versions exp\u00e9rimentales de la biblioth\u00e8que AVM, l'utilisation du codec AV2 a permis de r\u00e9duire le d\u00e9bit binaire de 32,59 % par rapport au codec AV1 tout en maintenant un niveau de qualit\u00e9 similaire, selon les m\u00e9triques d'\u00e9valuation de qualit\u00e9 VMAF (Video Multi-Method Assessment Fusion), d\u00e9velopp\u00e9es par Netflix. En utilisant les m\u00e9triques <a rel=\"nofollow\" href=\"https:\/\/github.com\/ahmedabadr\/yuvpsnr\">PSRN-YUV<\/a> (Peak-Signal-to-Noise Ratio 14:1:1) le d\u00e9bit binaire a pu \u00eatre r\u00e9duit de 28,63 %.<\/p>\n<p><\/noindex><\/p>\n<p>Comme dans le codec AV1, l'AV2 utilise une structure hybride orient\u00e9e blocs, mais contrairement \u00e0 l'AV1, il prend en charge des super-blocs plus grands de 256\u00d7256, un partitionnement enti\u00e8rement r\u00e9cursif et une s\u00e9paration plus efficace des param\u00e8tres de luminance et de chrominance. L'AV2 utilise un quantificateur exponentiel unifi\u00e9, couvrant une gamme lumineuse plus large et offrant une plus grande pr\u00e9cision de quantification pour les vid\u00e9os en 8, 10 et 12 bits, tout en g\u00e9rant mieux les faibles d\u00e9bits. Les capacit\u00e9s de pr\u00e9diction des changements entre les images ont \u00e9t\u00e9 modernis\u00e9es pour am\u00e9liorer la qualit\u00e9 de la mod\u00e9lisation des variations de luminance et de chrominance, prenant en compte jusqu'\u00e0 7 images pr\u00e9c\u00e9dentes lors de la construction du mod\u00e8le, prenant en charge l'interpolation temporelle et traitant mieux le mouvement dans les vid\u00e9os \u00e0 haute r\u00e9solution ou au contenu changeant rapidement.<\/p>\n<p>Source : <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/multimedia\/18306559\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0410\u043b\u044c\u044f\u043d\u0441 Open Media (AOMedia), \u043a\u0443\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1\/AV2, \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043e\u0431\u044a\u0451\u043c\u043d\u043e\u0433\u043e \u0437\u0432\u0443\u043a\u0430 IAMF \u0438 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 AVIF, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 AVM (github.com) 1.0.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043e\u0444\u0438\u0446\u0438\u0430\u043b\u044c\u043d\u0443\u044e \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0438 \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV2. AVM \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0434\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043d\u0430 \u0431\u0430\u0437\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b ARM64, x86_64 \u0438 MIPS, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 NEON, AVX2, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":181820,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181819","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - 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