Thread: MP4 Help
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Old 2010-01-01, 06:02 PM
peaktime peaktime is offline
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Join Date: May 2009
Re: MP4 Help

http://en.wikipedia.org/wiki/Pixel_a..._video_formats

PAL uses wider, more rectangular pixels than NTSC though, so you can't really compare the aspect ratios based on number of pixels.

Pixel Aspect Ratios:

Standard 4:3 PAL: 1.09
Widescreen 16:9 PAL: 1.45
Standard 4:3 NTSC: 0.90
Widescreen 16:9 NTSC: 1.21

Square pixels are used in most high definition formats though.

Last edited by peaktime; 2010-01-01 at 06:09 PM.
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