{"id":3120,"date":"2017-07-28T14:45:33","date_gmt":"2017-07-28T19:45:33","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/?p=3120"},"modified":"2017-07-28T14:45:33","modified_gmt":"2017-07-28T19:45:33","slug":"converting-a-set-of-video-caption-text-files-from-one-format-to-another","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2017\/07\/28\/converting-a-set-of-video-caption-text-files-from-one-format-to-another\/","title":{"rendered":"Converting a Set of Video Caption Text Files From One Format to Another"},"content":{"rendered":"<p>I offered to help my colleague Josh to convert a bunch of video caption text files from one format called <a href=\"https:\/\/www.w3.org\/TR\/2006\/CR-ttaf1-dfxp-20061116\/\">DFXP <\/a>to another called <a href=\"https:\/\/www.w3.org\/TR\/webvtt1\/\">WebVTT<\/a>. The text files store lists of voice-over captions with start and ending timestamps plus language information. I used some of MATLAB&#8217;s string handling functions to do it.<\/p>\n<p>Features covered in this <a href=\"https:\/\/blogs.mathworks.com\/videos\/2015\/10\/29\/matlab-code-along-videos\/\">code-along<\/a> style video include:<\/p>\n<ul>\n<li><tt>regexp<\/tt>, <tt>regexprep<\/tt> and <tt>+<\/tt> operator<\/li>\n<li> <tt>fscanf<\/tt><\/li>\n<\/ul>\n<p><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"5524976405001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div><\/p>\n<p>Play the video in full screen mode for a better viewing experience.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2017\/07\/28\/converting-a-set-of-video-caption-text-files-from-one-format-to-another\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/8ef03d1e-9ad1-4587-9cfb-13dd1e639dc9\/b03b47fb-4f1d-486d-870b-52231072ec13\/1280x720\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/><\/p>\n<div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">75:36<\/time><\/span>\n      <\/div>\n<p>      <\/a><\/div>\n<p>I offered to help my colleague Josh to convert a bunch of video caption text files from one format called DFXP to another called WebVTT. The text files store lists of voice-over captions with start&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2017\/07\/28\/converting-a-set-of-video-caption-text-files-from-one-format-to-another\/\">read more >><\/a><\/p>\n","protected":false},"author":133,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[27,4],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3120"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/133"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=3120"}],"version-history":[{"count":5,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3120\/revisions"}],"predecessor-version":[{"id":3125,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/3120\/revisions\/3125"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=3120"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=3120"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=3120"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}