Hi trudel415 Welcome to the Canvas Community.
This is a tricky one to support you with when I can't see your device. But let's have a go at some trouble shooting.
Is there a volume button on the actual video? Perhaps that is down too low.
A wise Advocate in the Community @heather_stockfo had this to offer for someone in a similar predicament:
Within the program that you recorded the video in, look for an "export", or "share" button. My guess is you just missed a step in finalizing the video.
Canvas will accept the following video files for playback:
- FLV – Flash Video
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ASF – Windows Media
- QT – Apple QuickTime
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MOV – Apple QuickTime
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MPG – Digital Video Format
- MPEG – Digital Video Format
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AVI – Digital Video Format
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M4V – Digital Video Format
- WMV – Windows Media
- MP4 – Digital Video Format
- 3GP – Multimedia Mobile Format
Could this be your issue?
Let us know how you get on.