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I'm trying to figure out what would be the best way to record a blackboard type of application in the webbrowser. Where a tutor can record a video of the blackboard with audio.

I think the obvious answer here is to make a html5 canvas and capture it at intervals as images and combine these to a video. Like so

However this has several disadvantages. It is not easy to edit the video later on. Also videos would require a lot of storage space.

What are your ideas? How can I construct this recording and playback of a blackboard?

/Jake

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Jake
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  • I think you would probably be better off with using a stand alone program such as the excellent [Jing by Tech Smith](http://www.techsmith.com/jing) – Johm Don May 02 '12 at 11:47

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I am currently working on a project that records HTML5 canvas drawings and allows you to play them back later. There are no images, everything is stored in the Javascript/JSON. There is no audio, so I plan on adding a transcript feature along with it. If you want to follow along with my project, it is at http://github.com/eipark. The code is still very much raw and buggy, but I am actively developing it for a school project and hope to have at least the "video" recording portion done in the next week.

eipark
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