Closed Captioning Mediasite videos with CaptionSync is easy using our integration. This article shows how to import a WMV file into your Mediasite system.
Importing a WMV file into Mediasite:
When importing a WMV file from an external source into your Mediasite system, make sure the WMV was encoded by a genuine Microsoft product, like Microsoft Expression Encoder. While the file may play well in the Windows Media Player and Mediasite, the timeline of the extracted audio may not match that of the video, causing subsequent captions to appear out of sync. You can use Microsoft Expression Encoder to re-encode the WMV file, thus creating a video without timeline issues.
Re-encoding a WMV file with Microsoft Expression Encoder:
- You can download and install the free Microsoft Expression Encoder 4 from Microsoft. Launch Microsoft Expression Encoder, and start a new Transcoding Project. Go to File -> Import, and open your file.
- To have better results, go to the System panel, choose Best Quality and then click Apply. On the Encode panel, select your output options (use the Window menu to make this panel appear): on the Video and the Audio panel choose the CBR-2 pass Mode option.
- You can also change the output directory and file name: on the Job Output panel (Output panel), change the file name on the Media File Name box and browse your output folder on Directory.
- To begin the encode process, click Encode (lower left-hand corner) (it shows when you click on the Encode panel).
- You can now upload this re-encoded WMV file into your Mediasite system, and request captions for it.