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Why does m2v make the .mov 4 times larger?!

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Aaron McGill
Why does m2v make the .mov 4 times larger?!
on Apr 18, 2010 at 2:07:45 am

Hey,

I'm using Compressor with the Final Cut Studio 7 Suite. I'm compressing a .mov which is currently 480megs into a .m2v to get it ready for DVD Studio Pro. But when I do this, it quadruples the size! (2gigs) Is there a reason for this? Is there someway I can compress it into the m2v and the size at least doesn't change? It is a mystery.

Cheers


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Daniel Low
Re: Why does m2v make the .mov 4 times larger?!
on Apr 18, 2010 at 10:06:10 am

Simply put, your .mov (you don't specify what codec was used) is already compressed, and in this case it's compressed at, as you say 4 times greater than the MPEG-2 you are trying to create.

So in other words, say your .mov is compressed at 500Kb/s, your .m2v could be at 2Mb/s.

Tell us more about the .mov (where it came from, what codec, frame size datarate and so on and we might be able to help further.

Sorry, but to be brutally honest, before using a professional suite of tools like Final Cut Studio, you should have already got a grasp of these extremely basic principals.

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