Here we get the first video on the page: var video = document. This video is embedded far below, so you should be able to run these in the console of your developer tools right now. Let’s say we have the following video markup which is the only video on the page. The element has an API which allows you to get a list of all tracks for that video. Play around with different cue settings to better understand how they work.Control placement of captions for your HTML5 video using cue settings.Use the JavaScript API to dynamically change cue text and settings.While I haven’t yet have a tool to do this, in the following I’ll show you how to: While there are tools for doing this proper placement for television and burned in captions, I haven’t found a tool for this for Web video. There’s judgment necessary to have pleasing phrasing. Periods should be used to end sentences and are usually the end of a single cue. More than two rows long is usually too much, and rows ought to be split at phrase breaks. Producing good captions is something of an art form. There are other style guidelines for producing good captions. These extra clues can help with understanding the content and action. If a sound or voice is coming from off screen, the caption is best placed as close to the source as possible. If two speakers are on screen you want the appropriate captions to be placed near each speaker. They should not run off the edge of the screen. The captions should not block other important content. Placement of captions can be equally important. But accuracy and thoroughness aren’t the only factors to consider when evaluating caption quality. Captions will also include a “music” caption, but other sounds, especially those off screen are often omitted. Are all the sounds important for the action represented in captions. As someone who can hear, I see inaccurate captions all too often. The captions should match the words spoken. I’ve come to appreciate some attributes of really well done captions. I don’t rely on captions, but I do increasingly turn them on to improve my viewing experience.
HTML5 VIDEO CAPTION MAKER VIDEO FILE PROFESSIONAL
With better support in browsers for timed text tracks in the element, I hope to see more captioned video.Īn important consideration in creating really professional looking closed captions is placing them correctly. Being able to style video with CSS and control it with the JavaScript API makes it possible to do fun stuff and to create accessible players and a consistent experience across browsers. Having video be a part of the Web with HTML5 opens up a lot of new opportunities for creating rich video experiences. TL DR Check out my tool to better understand how cue settings position captions for HTML5 video. HTML5 Video Caption Cue Settings in WebVTT