Video compression mpeg-4 = mp4?

Joined
Mar 21, 2008
Messages
3,799
Location
The Netherlands
Desmond, mp4 is just a container format and doesn't say anything about how the content is encoded. It can contain video, audio and subtitle tracks. The video can be encoded using e.g. MPEG-4. Usually the container format dictates what encodings can be used for both video and audio.

And I guess the output from iMovie is a mp4 container using h.264 encoded video as this is what is supported by e.g. AppleTV.
 
Joined
Sep 17, 2006
Messages
12,083
Location
Hamilton , New Zealand
Desmond, mp4 is just a container format and doesn't say anything about how the content is encoded. It can contain video, audio and subtitle tracks. The video can be encoded using e.g. MPEG-4. Usually the container format dictates what encodings can be used for both video and audio.

And I guess the output from iMovie is a mp4 container using h.264 encoded video as this is what is supported by e.g. AppleTV.
Thanks, so the question then is how do I ensure my video is in the format they require???
 
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