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Predicting file size while exporting/converting

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Fahim Huq
Predicting file size while exporting/converting
on Jan 12, 2011 at 12:28:07 am

hi there,
I just exported a 26min movie using the quicktime movie setting, keeping the current setting and making it self containeed.This version was to be put on a dvd. the file came out to be 20plus gigs.

my question is twofold:
a) does anyone have recommendation/favorites for export settings for movies to be put on a standard DVD-R (4.7gig) that is to be played in computers and DVD players?
b) is there some way to see in fcp what size (estimated) a file going ot be before exporting?


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Rafael Amador
Re: Predicting file size while exporting/converting
on Jan 12, 2011 at 12:43:40 am

Hi Fahim,
That file is nothing that you can put on a DVD.
DVDs works with MPEG-2 files. you need to use compressor to do so.
Use the "Best quality 90 minutes" preset. You can even rise the data rate, due to what your movie is only 26 minutes. The resulting MPEG-2 will have less than 2 Gbs. No problem to make the DVD.
BTW Fahim, this is a very basic question; do yourself a favor and read the manuals. You can use the SEARCH function on this page as well. All this have been explained here thousand times.
Cheers,
rafael

http://www.nagavideo.com


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Kylee Peña
Re: Predicting file size while exporting/converting
on Jan 12, 2011 at 5:00:48 pm

In terms of file size estimation, I recommend checking out Zak Ray's Common Digital Video Formats chart:

http://worldwide-studios.com/Worldwide_Studios/Resources.html

(the top one)

It tells you everything you might ever need to know about common formats, including the estimation of file size in GB/hr. This chart is helpful for understanding different formats.

For a DVD, you need to open up Compressor and use one of the DVD formats to make an mpeg-2. That's your only choice for a DVD.


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Jeff Greenberg
Re: Predicting file size while exporting/converting
on Jan 13, 2011 at 9:42:56 pm

Estimated file size:

(BitRate (in Megabits/second) * # of seconds) divided by 8 = Megabytes.

Best,

Jeff G


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