Following formulas hold good for MPG / MPEG stream video size and bit rate calculations
http://www.freeimagehosting.net/uploads/54d6509b88.jpg
If you have more than one audio, sum up all audio stream bit rates.
Hope someone can make nice GUI based calculator using above formula to calculate either Video Size or Video Bitrate with multiple audio stream bit rates.
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Last edited by Bonie81; 21st Jun 2011 at 19:23.
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If you are familiar with MS Excel or other types of spreadsheet software, you could create one yourself. But I just use the VideoHelp Bitrate calculator in advanced mode and you can plug in numbers in about any box and the others will reflect the changes.
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