{"id":1458,"date":"2022-09-16T13:00:04","date_gmt":"2022-09-16T13:00:04","guid":{"rendered":"https:\/\/2024.online-event.io\/?p=1458"},"modified":"2024-03-12T21:39:52","modified_gmt":"2024-03-12T21:39:52","slug":"diffusion-wowza-realtimescale","status":"publish","type":"post","link":"https:\/\/2024.online-event.io\/fr\/diffusion-wowza-realtimescale\/","title":{"rendered":"Streaming en temps r\u00e9el avec Wowza RealTime@Scale"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">La diffusion live en temps r\u00e9el, qu&rsquo;est-ce que c&rsquo;est ?<\/h2>\n\n\n\n<p class=\"has-text-align-left\">Les syst\u00e8mes de diffusion en streaming \u00ab&nbsp;classique&nbsp;\u00bb permettent d\u2019obtenir une&nbsp;<strong>latence<\/strong>&nbsp;(temps entre l\u2019envoi et la r\u00e9ception du flux) d\u2019une&nbsp;<strong>dizaine de secondes<\/strong>&nbsp;(<a href=\"https:\/\/www.online-event.io\/fr\/latence-video-des-diffusions-en-direct\/\">cf article sur la latence de diffusion<\/a>). Cette latence permet une diffusion \u00e0 une tr\u00e8s grande audience en utilisant un CDN de distribution mondial.<\/p>\n\n\n\n<p class=\"has-text-align-left\">D\u2019un autre c\u00f4t\u00e9 ,la technologie de&nbsp;<a href=\"https:\/\/www.online-event.io\/fr\/visio-conference-jitsi\/\">visio-conf\u00e9rence en WebRTC<\/a>&nbsp;(utilis\u00e9 par les services comme Jitsi, Zoom, Google Meet\u2026) permet la diffusion de flux vid\u00e9o en temps r\u00e9el, mais sur une faible audience (les syst\u00e8mes sont dimensionn\u00e9s pour une cinquantaine de participants en g\u00e9n\u00e9ral).<\/p>\n\n\n\n<p class=\"has-text-align-left\">Grace au service RealTime@Scale de Wowza, il est possible de diffuser des flux vid\u00e9os en WebRTC en passant par un CDN sp\u00e9cifique \u00e0 ce protocole permettant la diffusion \u00e0 une tr\u00e8s large audience (jusqu\u2019\u00e0 1 million de spectateurs en temps r\u00e9el).<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-center\">Vid\u00e9o de d\u00e9mo d\u2019une diffusion (\u00e9mission + r\u00e9ception) afin de prendre conscience du faible temps de latence :<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-vimeo wp-block-embed-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"rec_encodage_wowza_RT@S_2022-09-19\" src=\"https:\/\/player.vimeo.com\/video\/751124109?dnt=1&amp;app_id=122963\" width=\"500\" height=\"281\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\r\n<div class=\" container pb-2 pb-lg-3\">\r\n            \r\n                <div class=\"row py-5 mb-md-4 mb-lg-5\">\r\n\r\n                                                <div class=\"col-md-6 d-flex align-items-center order-md-2 pb-1 mb-3 pb-md-0 mb-md-0\">\r\n\r\n                                <img decoding=\"async\" src=\"https:\/\/2024.online-event.io\/content\/uploads\/2022\/09\/Real-Time-Streaming-Wowza-Video-Workflow-1920x605-1-1024x323.jpg\" class=\"rounded-3\" width=\"600\" alt=\"\">\r\n                            <\/div>\r\n                                        <div class=\"col-md-6 d-flex align-items-center order-md-1\">\r\n                    <div class=\"ps-md-4 ms-md-2\">\r\n                        <h2 class=\"h3\">Chaine de Diffusion<\/h2>\r\n                        <p class=\"pb-3 mb-2 mb-md-3 text-start\">\r\n                            \nLe point de diffusion du flux vid\u00e9o doit \u00eatre s\u00e9lectionn\u00e9 en fonction de la position g\u00e9ographique du site d&rsquo;encodage (studio, salle de conf\u00e9rence &#8230;). Afin de se trouver le plus proche possible, il est ensuite transmis au CDN WebRTC de Wowza qui d\u00e9livre le flux sur l&rsquo;ensemble de leurs serveurs \u00e0 travers le monde.<br \/>\r\n<br \/>\r\nLes flux WebRTC sont donc accessibles sur des centres de donn\u00e9es garantissant de tr\u00e8s gros d\u00e9bits de bande passante au plus pr\u00e8s de l&rsquo;ensemble des spectateurs r\u00e9partis sur la plan\u00e8te.<br \/>\r\n<br \/>\r\nAu m\u00eame titre que la diffusion en streaming \u00ab\u00a0classique\u00a0\u00bb, la diffusion en temps r\u00e9el s&rsquo;adapte \u00e9galement au d\u00e9bit de la ligne internet disponible pour le spectateur. Le flux vid\u00e9o est disponible en 3 formats (High, Medium, Low) ce qui permet d&rsquo;adapter la qualit\u00e9 du flux de r\u00e9ception en temps r\u00e9el aupr\u00e8s de chaque spectateur.                        <\/p>\r\n                                                    <a href=\"https:\/\/www.wowza.com\/blog\/announcing-real-time-streaming-at-scale-for-european-customers\" class=\"btn btn-primary\" target=\"_blank\">\r\n                                En savoir plus                            <\/a>\r\n                                            <\/div>\r\n                <\/div>\r\n                <\/div>\r\n            \r\n                <div class=\"row py-5 mb-md-4 mb-lg-5\">\r\n\r\n                                                <div class=\"col-md-6 d-flex align-items-center  pb-1 mb-3 pb-md-0 mb-md-0\">\r\n\r\n                                <img decoding=\"async\" src=\"https:\/\/2024.online-event.io\/content\/uploads\/2022\/09\/pop_1.jpg\" class=\"rounded-3\" width=\"600\" alt=\"\">\r\n                            <\/div>\r\n                                        <div class=\"col-md-6 d-flex align-items-center \">\r\n                    <div class=\"ps-md-4 ms-md-2\">\r\n                        <h2 class=\"h3\">Pops et CDN<\/h2>\r\n                        <p class=\"pb-3 mb-2 mb-md-3 text-start\">\r\n                            \nListe des points d&rsquo;ingestion Wowza (Pops) : <br \/>\r\n<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> Asia Pacific (Australia)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> Asia Pacific (India)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> Asia Pacific (Japan)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> Asia Pacific (S. Korea)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> Asia Pacific (Singapore)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> Asia Pacific (Taiwan)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> EU (Belgium)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> EU (Germany)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> EU (Ireland)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> South America (Brazil)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> US Central (Iowa)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> US East (S. Carolina)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> US East (Virginia)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> US West (California)<br \/>\r\n<i class=\"bx bx-check-circle text-primary fs-xl me-2\"><\/i> US West (Oregon)<br \/>\r\n<br \/>\r\nCi-contre : la carte du reseau de diffusion CDN de Wowza                        <\/p>\r\n                                                    <a href=\"https:\/\/www.wowza.com\/blog\/cdn-live-streaming\" class=\"btn btn-primary\" target=\"_blank\">\r\n                                En savoir plus                            <\/a>\r\n                                            <\/div>\r\n                <\/div>\r\n                <\/div>\r\n                    <\/div>\n\n\n<h2 class=\"wp-block-heading\">La diffusion en temps r\u00e9el, pour quel usage ?<\/h2>\n\n\n\n<p>En comparaison avec les syst\u00e8mes de diffusion en streaming \u00ab&nbsp;classique&nbsp;\u00bb (RTMP ou SRT) ou la diffusion sur CDN HTTP et la r\u00e9ception en HLS, la diffusion WebRTC demande beaucoup de ressources processeur et de bande passante. Ces ressources et bande passante sont n\u00e9cessaires pour assurer un temps de latence minimum et est&nbsp; un r\u00e9el impact financier pour votre \u00e9v\u00e8nement. Il faut compter un budget environ 2 fois sup\u00e9rieur \u00e0 une diffusion \u00ab&nbsp;classique&nbsp;\u00bb.<\/p>\n\n\n\n<p>Le temps r\u00e9el est indispensable pour obtenir une interactivit\u00e9 \u00ab&nbsp;forte&nbsp;\u00bb avec les spectateurs.<\/p>\n\n\n\n<p>Il est g\u00e9n\u00e9ralement utilis\u00e9 pour :<\/p>\n\n\n\n<ul>\n<li>Les \u00e9v\u00e9nements sportifs<\/li>\n\n\n\n<li>Les ventes aux ench\u00e8res<\/li>\n\n\n\n<li>Les interactivit\u00e9s de type Quizz (classement des spectateurs qui r\u00e9pondent le plus vite \u2026)<\/li>\n\n\n\n<li>La prise de parole des spectateurs \u00ab&nbsp;\u00e0 la vol\u00e9e&nbsp;\u00bb<\/li>\n\n\n\n<li>La r\u00e9action du public \u00e0 une annonce importante<\/li>\n\n\n\n<li>\u2026<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">D\u00e9monstration<\/h2>\n\n\n\n<p><\/p>\n\n\n\n<p>Voici quelques vid\u00e9os de d\u00e9monstrations permettant de se rendre compte de la tr\u00e8s faible latence du service RealTime@Scale<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Vid\u00e9o de d\u00e9mo d\u2019une diffusion (\u00e9mission + r\u00e9ception) afin de prendre conscience du faible temps de latence :<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-vimeo wp-block-embed-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"rec_encodage_wowza_RT@S_2022-09-19\" src=\"https:\/\/player.vimeo.com\/video\/751124109?dnt=1&amp;app_id=122963\" width=\"500\" height=\"281\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p>Vid\u00e9o de d\u00e9mo d\u2019un flux live ouvert sur 4 navigateurs (Chrome, Firefox, Edge) :<\/p>\n\n\n\n<figure class=\"wp-block-embed aligncenter is-type-video is-provider-vimeo wp-block-embed-vimeo wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"rec_test_wowza_RT@S_2022-09-16\" src=\"https:\/\/player.vimeo.com\/video\/750393217?dnt=1&amp;app_id=122963\" width=\"500\" height=\"281\" frameborder=\"0\" allow=\"autoplay; fullscreen; picture-in-picture; clipboard-write\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Une latence inf\u00e9rieure \u00e0 une seconde fait toute la diff\u00e9rence lors de la diffusion de vid\u00e9os interactives en direct.<br \/>\nAvec le streaming vid\u00e9o WebRTC, nous pouvons fournir une latence inf\u00e9rieure \u00e0 0,5 seconde pour les services qui d\u00e9pendent du temps r\u00e9el.<\/p>\n","protected":false},"author":2,"featured_media":1468,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[15,19,16],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Streaming en temps r\u00e9el avec Wowza RealTime@Scale - Online Event<\/title>\n<meta name=\"description\" content=\"Une latence inf\u00e9rieure \u00e0 une seconde fait toute la diff\u00e9rence lors de la diffusion de vid\u00e9os interactives en direct.Avec le streaming vid\u00e9o WebRTC, nous pouvons fournir une latence inf\u00e9rieure \u00e0 0,5 seconde pour les services qui d\u00e9pendent du temps r\u00e9el.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/2024.online-event.io\/fr\/diffusion-wowza-realtimescale\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Streaming en temps r\u00e9el avec Wowza RealTime@Scale - Online Event\" \/>\n<meta property=\"og:description\" content=\"Une latence inf\u00e9rieure \u00e0 une seconde fait toute la diff\u00e9rence lors de la diffusion de vid\u00e9os interactives en direct.Avec le streaming vid\u00e9o WebRTC, nous pouvons fournir une latence inf\u00e9rieure \u00e0 0,5 seconde pour les services qui d\u00e9pendent du temps r\u00e9el.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/2024.online-event.io\/fr\/diffusion-wowza-realtimescale\/\" \/>\n<meta property=\"og:site_name\" content=\"Online Event\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-16T13:00:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-12T21:39:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/2024.online-event.io\/content\/uploads\/2022\/09\/wowza-rts.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"720\" \/>\n\t<meta property=\"og:image:height\" content=\"405\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Gael Dufranc\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gael Dufranc\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/2024.online-event.io\/fr\/diffusion-wowza-realtimescale\/\",\"url\":\"https:\/\/2024.online-event.io\/fr\/diffusion-wowza-realtimescale\/\",\"name\":\"Streaming en temps r\u00e9el avec Wowza RealTime@Scale - 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