How to create a WebVTT (.vtt) file for Closed Captions

In order to add closed captions to a StreamSpot archive, you will first need a .vtt file. If your file is the common format .srt you can use this conversion program to easily convert it to a .vtt. 

To create the file you can utilize a handy (and free) tool at https://www.nikse.dk/SubtitleEdit/Online#.

To start, click Subtitle then New 

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Next, open a video you wish to caption by selecting Video then Open Video From Disk. (to download an on-demand archive to your computer, see: How to Download an Archive)

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Navigate to the appropriate video and click Choose File

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With the video loaded highlight the selection in the timeline that you wish to caption. You can preview the video with the player controls in the upper right. 

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Right-click in the selection and click Insert Subtitle Here.

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Type the caption that corresponds with the highlighted video segment:

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Once complete select Subtitle in the upper left and then Save/download

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Next, choose .vtt from the list of available formats. 

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Click Save/download

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You now have the .vtt file required for adding Closed Captioning to your on-demand archive.

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