{"id":3491,"date":"2016-04-27T10:17:55","date_gmt":"2016-04-27T08:17:55","guid":{"rendered":"http:\/\/www.gatv.ssr.upm.es\/wordpress\/?p=3491"},"modified":"2023-02-10T14:35:41","modified_gmt":"2023-02-10T12:35:41","slug":"pruebas-subjetivas","status":"publish","type":"post","link":"https:\/\/www.gatv.ssr.upm.es\/index.php\/2016\/04\/27\/pruebas-subjetivas\/","title":{"rendered":"Pruebas Subjetivas"},"content":{"rendered":"<section  class='av_textblock_section av-av_textblock-0366cc7376be6c9e82a3e9cc8987b64f'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div align=\"justify\"><span style=\"font-family: 'trebuchet ms', geneva;\">Durante las fechas del 25 al 31 de mayo de 2010, el Grupo de Aplicaci\u00f3n de Telecomunicaciones Visuales (G@TV) ha llevado a cabo en la ETSI de Telecomunicaci\u00f3n una serie de pruebas de calidad subjetiva de v\u00eddeo en alta definici\u00f3n en el entorno de un proyecto en colaboraci\u00f3n con Impulsa TDT y Abertis. <span style=\"color: #33cccc;\"><a style=\"color: #33cccc;\" href=\"https:\/\/www.gatv.ssr.upm.es\/images\/stories\/cartel_pruebas.png\" target=\"_blank\">(ver anuncio)<\/a><\/span><br \/>\n<\/span><\/div>\n<div align=\"justify\">\n<p><span style=\"font-family: 'trebuchet ms', geneva;\">Las pruebas han sido realizadas con observadores reales que evaluaban la calidad con que visionaban una colecci\u00f3n de secuencias de v\u00eddeo en alta definici\u00f3n de contenidos variados y especialmente seleccionados para tal efecto. Los observadores, que rondaron el centenar, realizaron las pruebas en dos partes, en primer lugar se evaluaba la calidad del v\u00eddeo codificado con diferentes calidades, y en segundo lugar se proced\u00eda a la evaluaci\u00f3n del audio envolvente.<\/span><\/p>\n<p>Para el desarrollo de las pruebas se ha contado con dos televisores de 46\u201d de tipo LED cedidos por Samsung Espa\u00f1a y un sistema de audio Home Cinema 5.1 preparado para la reproducci\u00f3n de sonido Dolby Digital, entre otras herramientas a disposici\u00f3n del G@TV.<\/p>\n<p>La acogida de las pruebas ha sido satisfactoria y sus resultados permitir\u00e1n definir recomendaciones para la futura integraci\u00f3n de canales de alta definici\u00f3n en la Televisi\u00f3n Digital Terrestre (TDT) de nuestro pa\u00eds. Los coordinadores y responsables de dichas pruebas han sido Juan Pedro L\u00f3pez Velasco y Dami\u00e1n Ruiz Coll, ambos miembros pertenecientes al G@TV.<\/p>\n<\/div>\n<div align=\"justify\">\u00a0<span style=\"font-family: 'trebuchet ms', geneva;\"><br \/>\n<\/span><\/div>\n<div align=\"justify\"><span style=\"font-family: 'trebuchet ms', geneva;\">En este <span style=\"color: #33cccc;\"><a style=\"color: #33cccc;\" href=\"http:\/\/www.youtube.com\/watch?v=L-ZFxnzauBI\" target=\"_blank\" rel=\"noopener\">enlace<\/a> <\/span>se puede visualizar un recorrido explicativo de la prueba.<\/span> <span style=\"font-family: 'trebuchet ms', geneva;\">A continuaci\u00f3n unas fotos donde se muestran m\u00e1s detalles de las mismas.<\/span><\/div>\n<\/div><\/section>\n<div  class='avia-slideshow av-av_slideshow-f165f07ee018f9bcdf591b527b25ce2d avia-slideshow-featured av_slideshow avia-slide-slider  avia-builder-el-1  el_after_av_textblock  avia-builder-el-last  av-default-height-applied avia-slideshow-1'  data-size='featured'  data-lightbox_size='large'  data-animation='slide'  data-conditional_play=''  data-ids='3492,3493'  data-video_counter='0'  data-autoplay='true'  data-bg_slider='false'  data-slide_height=''  data-handle='av_slideshow'  data-interval='10'  data-class=' avia-builder-el-1  el_after_av_textblock  avia-builder-el-last '  data-extra_class=''  data-el_id=''  data-css_id=''  data-scroll_down=''  data-control_layout=''  data-custom_markup=''  data-perma_caption=''  data-autoplay_stopper=''  data-image_attachment=''  data-min_height='0px'  data-lazy_loading='disabled'  data-default-height='28.666666666667'  data-img_scrset=''  data-av-desktop-hide=''  data-av-medium-hide=''  data-av-small-hide=''  data-av-mini-hide=''  data-alb_description=''  data-id=''  data-custom_class=''  data-template_class=''  data-av_uid=''  data-sc_version='1.0'  data-heading_tag=''  data-heading_class=''   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 28.666666666667%;'><li  class='avia-slideshow-slide av-av_slideshow-f165f07ee018f9bcdf591b527b25ce2d__0  slide-1 ' ><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" class=\"wp-image-3492 avia-img-lazy-loading-not-3492\"  src=\"https:\/\/www.gatv.ssr.upm.es\/wp-content\/uploads\/2016\/04\/p1-1500x430.jpg\" width=\"1500\" height=\"430\" title='p1' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><li  class='avia-slideshow-slide av-av_slideshow-f165f07ee018f9bcdf591b527b25ce2d__1  slide-2 ' ><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" class=\"wp-image-3493 avia-img-lazy-loading-not-3493\"  src=\"https:\/\/www.gatv.ssr.upm.es\/wp-content\/uploads\/2016\/04\/p3-1500x430.jpg\" width=\"1500\" height=\"430\" title='p3' alt=''  itemprop=\"thumbnailUrl\"   \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls' ><a href='#prev' class='prev-slide ' aria-hidden='true' data-av_icon='\ue87c' data-av_iconfont='entypo-fontello'  tabindex='-1'>Anterior<\/a><a href='#next' class='next-slide ' aria-hidden='true' data-av_icon='\ue87d' data-av_iconfont='entypo-fontello'  tabindex='-1'>Posterior<\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":3492,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1931,43],"tags":[],"class_list":["post-3491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-anterior","category-noticias"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/posts\/3491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/comments?post=3491"}],"version-history":[{"count":2,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/posts\/3491\/revisions"}],"predecessor-version":[{"id":9124,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/posts\/3491\/revisions\/9124"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/media\/3492"}],"wp:attachment":[{"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/media?parent=3491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/categories?post=3491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gatv.ssr.upm.es\/index.php\/wp-json\/wp\/v2\/tags?post=3491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}