{"id":38274,"date":"2024-07-12T06:24:11","date_gmt":"2024-07-12T04:24:11","guid":{"rendered":"https:\/\/www.techopedia.com\/es\/?post_type=definition&#038;p=38274"},"modified":"2024-07-12T10:20:30","modified_gmt":"2024-07-12T08:20:30","slug":"radiodifusion-video-digital-terrestre","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/es\/definicion\/radiodifusion-video-digital-terrestre","title":{"rendered":"Radiodifusi\u00f3n de v\u00eddeo digital &#8211; terrestre"},"content":{"rendered":"<h2><span id=\"que_significa_radiodifusion_de_video_digital_-_terrestre\">\u00bfQu\u00e9 significa radiodifusi\u00f3n de v\u00eddeo digital &#8211; terrestre?<\/span><\/h2>\n<p>La radiodifusi\u00f3n de v\u00eddeo digital &#8211; terrestre (DVB-T) es una norma establecida en 1997 y puesta en uso en 1998 para la transmisi\u00f3n de televisi\u00f3n digital terrestre (TDT).<\/p>\n<p>La DVB-T<strong> puede transmitir distintos tipos de datos, como informaci\u00f3n digital comprimida, audio digital, v\u00eddeo digital, Moving Picture Experts Group<\/strong> (MPEG) y otros datos con modulaci\u00f3n de c\u00f3dec.<\/p>\n<p>La DVB-T proporciona un m\u00e9todo avanzado de transmisi\u00f3n en comparaci\u00f3n con la transmisi\u00f3n anal\u00f3gica anterior.<\/p>\n<h2><span id=\"definicion_de_radiodifusion_de_video_digital_-_terrestre\">Definici\u00f3n de radiodifusi\u00f3n de v\u00eddeo digital &#8211; terrestre<\/span><\/h2>\n<p>En la era actual, las transmisiones de televisi\u00f3n se emiten desde torres y luego se env\u00edan a los hogares a trav\u00e9s de receptores que pasan por sat\u00e9lites. Esto proporciona una transmisi\u00f3n por sat\u00e9lite f\u00e1cil y fiable. Pero \u00e9ste no es el \u00fanico m\u00e9todo utilizado para la emisi\u00f3n de televisi\u00f3n.<\/p>\n<p>Muchos pa\u00edses han implantado la DVB-T, que se ha reformado en muchas otras normas, como la DVB-H y la DVB-T2.<\/p>\n<p><strong>El mecanismo de funcionamiento de la DVB-T es el siguiente:<\/strong><\/p>\n<ul>\n<li>Los datos digitales se transmiten en bloques discretos a velocidad de s\u00edmbolo.<\/li>\n<li>La DVB-T permite manejar escenarios multitrayecto mediante la t\u00e9cnica de multiplexaci\u00f3n por divisi\u00f3n ortogonal de frecuencias.<\/li>\n<li>La DVB-T tambi\u00e9n utiliza el funcionamiento en red de frecuencia \u00fanica, en el que dos o m\u00e1s transmisores pueden transportar los mismos datos en la misma frecuencia.<\/li>\n<\/ul>\n<p>La DVB-T tiene muchas caracter\u00edsticas que desempe\u00f1an un papel activo en la gesti\u00f3n operativa. <strong>Algunas de estas caracter\u00edsticas son:<\/strong><\/p>\n<ul>\n<li>Divisor<\/li>\n<li>Codificador externo<\/li>\n<li>Intercalador externo<\/li>\n<li>Codificador interno<\/li>\n<li>Mapeador<\/li>\n<li>Adaptaci\u00f3n de trama<\/li>\n<li>Se\u00f1ales piloto y par\u00e1metros de transmisi\u00f3n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfQu\u00e9 significa radiodifusi\u00f3n de v\u00eddeo digital &#8211; terrestre? La radiodifusi\u00f3n de v\u00eddeo digital &#8211; terrestre (DVB-T) es una norma establecida en 1997 y puesta en uso en 1998 para la transmisi\u00f3n de televisi\u00f3n digital terrestre (TDT). La DVB-T puede transmitir distintos tipos de datos, como informaci\u00f3n digital comprimida, audio digital, v\u00eddeo digital, Moving Picture Experts [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"definitioncat":[31],"class_list":["post-38274","definition","type-definition","status-publish","format-standard","hentry","definitioncat-gestion-datos"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.8 (Yoast SEO v23.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u00bfC\u00f3mo funciona la radiodifusi\u00f3n de v\u00eddeo digital - terrestre?<\/title>\n<meta name=\"description\" content=\"La radiodifusi\u00f3n de v\u00eddeo digital - terrestre era uno de los m\u00e9todos m\u00e1s populares para transmitir ondas de televisi\u00f3n, te lo explicamos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.techopedia.com\/es\/definicion\/radiodifusion-video-digital-terrestre\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Radiodifusi\u00f3n de v\u00eddeo digital - terrestre\" \/>\n<meta property=\"og:description\" content=\"La radiodifusi\u00f3n de v\u00eddeo digital - terrestre era uno de los m\u00e9todos m\u00e1s populares para transmitir ondas de televisi\u00f3n, te lo explicamos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.techopedia.com\/es\/definicion\/radiodifusion-video-digital-terrestre\" \/>\n<meta property=\"og:site_name\" content=\"Techopedia Espa\u00f1ol\" \/>\n<meta property=\"article:modified_time\" content=\"2024-07-12T08:20:30+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.techopedia.com\/es\/definicion\/radiodifusion-video-digital-terrestre#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.techopedia.com\/es\/definicion\/radiodifusion-video-digital-terrestre\"},\"author\":{\"name\":\"Margaret Rouse\",\"@id\":\"https:\/\/www.techopedia.com\/es\/#\/schema\/person\/f5dd538e31ee352d105b8af36c4268a5\"},\"headline\":\"Radiodifusi\u00f3n de v\u00eddeo digital &#8211; 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