Note: Be sure to check each of the publishing companies' websites and submission requirements carefully. You'll make a great first impression by applying only to those publishing houses that carry books like yours.
File format: YouTube prefers the original, 1080p HD broadcast format that you have in your digital content library, as well as DVD-compliant MPEG-2 program streams saved with a .MPG extension. If you cannot submit videos in MPEG-2 format, then MPEG-4 is the preferred format. The following specifications provide optimal playback of MPEG-2 and MPEG-4 videos: