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# Memory Stick Capacity?

5 replies to this topic

### #1 WitsEnd

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Posted 17 April 2006 - 01:33 PM

Hello,

I have a Sony digital camera that also records MPEG video, right now I only have a 16MB memory stick and can only record 42 seconds of video.

So, I'm trying to do the math and figure out how long I can record on a 1 gig stick. I'm terrible at math and would like some one to help confirm my figures. What I did is divide 42 seconds by 16 that equals 2.625 seconds per meg. Yes, no?

then I multiply 2.625 x 1000 megs and get 2,625 seconds of video, I divide that by 60 sec per minute and get 43.75 minutes of recording time.

Does this sound right? I know there are other things that factor into the recording time and it won't be exactly that but will be plus or minus a small amount, but if my math is right then that would be a good ballpark figure right?

Yes, no, not exactly?

Thanks!

### #2 rookie147

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Posted 17 April 2006 - 02:26 PM

Hello,
What you have done is fine, except that there are 1024mb in a gb.
So..
2.625 x 1024 = 2688

Once again, devide it by 60..
2688/ 60 = 44.8

Therefore, you will have roughly 45mins of recording time.

I know it's not a big difference, I'm just picky

Charles

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### #3 WitsEnd

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Posted 17 April 2006 - 04:47 PM

Great, that is one of the things I wasn't sure about, how many megs in a gig, someone told me there were a millioin megs in a gig and that didn't sound right. Good to know the exact count.

Thanks for the math check!

### #4 dc3

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Posted 18 April 2006 - 01:52 AM

Hope this clears this for you.

- One kilobyte, kB, of storage is 1024 bytes (not 1000).
- One megabyte, MB, is 1024^2 or 1,048,576 bytes.
- One gigabyte, GB, is 1024^3 or 1,073,741,824 bytes.
- One terabyte, TB, is 1024^4 or 1,099,511,627,776 bytes.

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### #5 snyper

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Posted 18 April 2006 - 03:49 AM

When you buy a decent camera like the one you have the camera is preset normally for a pretty large photo file. if you down size the photo type tou will get up to 4000 photos on a gb but will get 2000 photos at a very reasonable quality too, i just think large pics are normally a waste of space because they are rarely req for most apps..

Brian

### #6 acklan

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Posted 18 April 2006 - 06:49 AM

When you buy a decent camera like the one you have the camera is preset normally for a pretty large photo file. if you down size the photo type tou will get up to 4000 photos on a gb but will get 2000 photos at a very reasonable quality too, i just think large pics are normally a waste of space because they are rarely req for most apps..

Brian

I agree that most application do not need the resolution, but you can alway scale down to fit. If you did take the picture at a high enough resolution, you cannot go back and use what is not there. It is much easier to trim away than to add on.
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