4.2 Audio and Video Editing

Step 1: Open your file with a video editing tool like iMovie 

  • In iMovie, select Share > Export Using QuickTime

Step 2: Next, verify your settings by clicking Options

Video settings

  • Compression Type: H.264
  • Frame Rate: 30 is preferred. 23.98, 24, 25, 29.97 are also acceptable.
  • Data Rate: Automatic
  • Key Frames: Automatic
  • Frame Reordering: Unchecked

Audio/Sound settings

  • Format: AAC
  • Click Show advanced settings and choose Constant Bit Rate as encoding strategy

Other settings

  • Size: Choose the original size of the video
  • “Prepare for Internet Streaming”: Fast Start

If you’ve uploaded a video from your mobile device, you’ll need to download the video on your desktop computer to apply these recommended changes.

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