https://www.nlm.nih.gov/web/documentation/TemplateDocumentation/videojs_multiple_sources.html
VideoJS – multiple source demo
Clicking on control bar allows the user to select a different Quality of the video
Exactly.
Keyboard controls: Space bar – toggle play/pause; Right and Left Arrow – seek the video forwards and back; Up and Down Arrow – increase and decrease the volume; M key – toggle mute/unmute; F key – toggle fullscreen off and on.
Transcript: Symposium Overview
Alternatively, you can download and play the mp4 video file (34.9 MB) and the vtt caption file.