I have a QT movie (.mov format) showing a demonstration of realtime
audio pitch manipulation that I want to use for class lecture. The QT
original is at 27.8 MB - thought I'd port it to my iPod Touch for
convenience (I use an Apple A/V composite adapter for overhead screen
projection on downloaded movies), so, in QuickTime, I select "export"
then "movie to iPod", converting the format to .m4v - I noticed it
took an exorbitant amount of time (27 minutes, when the movie clip is
maybe 12 minutes) and then left me with an m4v file weighing in at a
whopping 80.5 MB! I was sure the file sizes would be exponentially the
reverse (isn't m4v a form of encoded "compression" as mp3 is to
audio?).
Does this sound right? Should I be using a different exporting
algorithm?
Thanks in advance,
Dana
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