Encoding for iTunes U

Encoding Video and Audio for iTunes U

To publish to iTunes U and achieve the highest quality results in the iTunes application and on portable devices digital audio and video need to be encoded in the proper format and with the appropriate settings.

Applications such as QuickTime Pro, Audacity, ProTools,  iMovie HD, Adobe Premiere Pro, Adobe Premiere Elements and Final Cut Pro have the capability to export video and audio in the appropriate format and with the appropriate encoding parameters.

Converting and Encoding Audio for iTunes U
iTunes U accepts audio in the AAC (.m4a extension) and the .mp3 format.

Recommended Encoding Settings:

  • Format: AAC-LC (music)
  • Data Rate: 160 kbps
  • Channels: Stereo
  • Sample Rate: 48 khz
  • Encoding Quality: Better

Converting and Encoding Digital Video for iTunes U
iTunes U accepts the following formats: MPEG-4 with H.264 compression. The following file extensions are appropriate:

  • .mp4
  • .m4v
  • .mov

Recommended Encoding Settings:

  • Data Rate: Up to 1.5 Mbps
  • Image Size: 640 X 480
  • Frame Rate: 30 frames per second
  • Key Frame: Every 24 frames