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Calculating bitrate & space requirements, Please help me with this
DickxLaurent
post Sep 25 2006, 17:19
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Please help me verify that I'm doing this math correctly. I'm trying to figure out how many minutes of MP3 at 56 kbps will fit into 32 MB. What is the correct formula for this?

I'm getting ~78 minutes. Though knowing that I'm using the correct formula also would be helpful for future use.

Thanks!


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pest
post Sep 25 2006, 17:45
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QUOTE
Please help me verify that I'm doing this math correctly. I'm trying to figure out how many minutes of MP3 at 56 kbps will fit into 32 MB. What is the correct formula for this?

I'm getting ~78 minutes. Though knowing that I'm using the correct formula also would be helpful for future use.



assuming that the mp3-frames are exactly 56000 Bits/s
and the free space is exactly 32mb which is 32*2^20*8 Bits
you get (268435456 / 56000 / 60 ~ 79min)
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haregoo
post Sep 25 2006, 17:47
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56kbps stream consumes 0.42MB per minute. Formula is following.

56/8*60/1000=0.42MB/min
32MB/0.42=76.1904...min
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...Just Elliott
post Sep 25 2006, 22:36
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http://waxy.org/projects/mp3calc/


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pest
post Sep 25 2006, 22:40
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kids always need calculators wink.gif
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