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Crowdsourcing Your Video Captions
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Ideally, every video that I upload to YouTube has closed captions and a transcript. Unfortunately, things are not always ideal in my world. When I have time, I have been using Screencast-O-Matic to add captions to the videos that I make for my students. Here’s an example video that I made to show students how a new blog commenting system works.
Click the closed caption icon that is shaped like a box with lines of text in it, in the lower right band where the controls are, to see the captions on this video. The icon is shown in the image below, all the way to the left.
To make the captions on this video, I used the speech-to-text capability built into Screencast-O-Matic Pro. Unfortunately, you do have to upgrade to use the speech-to-text tool, but the cost is an economical $18 annually. The tool created a rough draft of the captions, but I had to go through and edit them by adding words and phrases that it missed and correcting things that it misheard.
The whole process took a little over an hour, which may not seem bad until you consider the length of the video. The video is only 3½ minutes long, so I spent about twenty times the length of the video to make the transcript. Now extend that time commitment to a 10 minute video, and you need to plan at least three hours. That’s quite an undertaking for something that will only result in 10 minutes of curriculum material.
Fortunately, YouTube includes a setting that allows a video creator to crowdsource the captioning for the videos that she uploads. From my perspective, it’s the most important setting on YouTube. Just follow the instructions to Turn on & manage community contributions and anyone can add captions to your video. The system allows you to review, change, or reject the captions.
I already have an assignment that invites students to crowdsource transcripts. This YouTube setting facilitates their contributions to the course smoothly, and as a bonus, it reduces the work I have to do since the captions are added directly to the videos. In addition, students can contribute by adding to existing captions if they notice a correction is needed. I still plan to create captions for all my videos, but it’s nice to know that these alternatives exist.
Do you have suggestions for improving the process of providing transcripts and captioning for video and audio content? I would love additional ideas and assignments. Please tell me about your ideas by leaving a comment below.
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