The U on iTunes U - FAQs

Q. What file specifications are required for iTunes U?

A. For audio, you can create a AAC with .m4a or MP3 with .mp3 file extensions.

  • Data Rate: 128 kbits/sec
  • Channels: Stereo
  • Output Sample Rate: 44.100 khz
  • Encoding Quality: Better

For video you can create MPEG-4 with .mp4 or H.264 with .m4v or.mov file extensions.

  • Data Rate: 256 kbits/sec
  • Image Size: 320 X 240
  • Frame Rate: 30
  • Key Frame: every 24 frames

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