DVD recording ?
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Its the classic gigabytes vs. gigabits. DVDs can hold 4.7 gigabits, or roughly 4.4 gigabytes. Plus there's some file system stuff.
Err... it's 2 to the power 30 versus 20 to the power 9. Elaine :rose: The tigress is here :-D
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Aaron Stubbendieck wrote: Its the classic gigabytes vs. gigabits. DVDs can hold 4.7 gigabits, or roughly 4.4 gigabytes. Wrong. A byte is 8 bits. So 4.7 gigabytes = 37.6 gigabits. The confusion comes from different definitions of what a giga means. To some it's 1,000,000,000 bytes, to others it's 1,073,741,824. 4.4 bytes * 1,073,741,824 = 4.7 gigabytes. Regards, Alvaro
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The International Electrotechnical Commission would like us to call that a Gibibyte (abbreviation GiB). Ick. Link [^] Stability. What an interesting concept. -- Chris Maunder
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Yeah, Years ago I got a job that was advetised as so many K. When my first pay check turned up, naturally the K was 1000. The people in the payoffice wouldn't believe it when I complained. :-) Regardz Colin J Davies
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ColinDavies wrote: When my first pay check turned up, naturally the K was 1000. :laugh: I must try this one the next time increases are discussed!
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I accept that possibility, however, why is it then that I have discs that I cannot copy because my 'destination disc does not have enough room' ? I'm copying 4.7 Gig discs ( they are video discs, and for what it's worth, they are mostly audience shot shows of rock bands in the 80's, i.e. I'm not asking for help in pirating official release stuff, or anything remotely recent ). Christian I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
a pressed 4.7 GB disk can hold more data than a recordable DVD. The difference is just a few 100 Megs but it is sufficient to prevent copying This is also true for the new dual layer DVD recordables, They are a little smaller than prepressed disks :sigh: too bad :sigh:
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Yeah, Years ago I got a job that was advetised as so many K. When my first pay check turned up, naturally the K was 1000. The people in the payoffice wouldn't believe it when I complained. :-) Regardz Colin J Davies
*** WARNING *
This could be addictive
**The minion's version of "Catch :bob: "It's a real shame that people as stupid as you can work out how to use a computer. said by Christian Graus in the Soapbox
Nice try Colin! :laugh: Anna :rose: Homepage | Tears and Laughter "Be yourself - not what others think you should be" - Marcia Graesch "Anna's just a sexy-looking lesbian tart" - A friend, trying to wind me up. It didn't work. Trouble with resource IDs? Try the Resource ID Organiser Visual C++ Add-In
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I have a problem with Nero, it only seems able to record 4.4 gig on 4.7 gig discs. Does anyone have this, or a suggested solution ? Christian I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
DVD Shrink[^]
Hogwash! We all get along fine once everyone starts doing what I say! James R. Twine, Hope for the Best, Plan for the Worst... -
I was sitting there thinking..."Whoa. That math is way off." I didn't know that there was a discrepancy in the definition of a gigabyte though. Learn something new every day. :)
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To add to that, It's pretty much agreed that 1,024 bytes is a kilobyte. From there is fractures. Some camps base 10 (1000 KB = 1 MB, 1000 MB = 1 GB, ...) is correct, while others say base 2 (1024 KB = 1 MB, 1024 MB = 1 GB, ...) is correct. This is the same argument that Alvaro was mentioning.
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I have a problem with Nero, it only seems able to record 4.4 gig on 4.7 gig discs. Does anyone have this, or a suggested solution ? Christian I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
Well, DVD Shrinker is your friend . And yes it's free. Fine piece of software. Cheers,Joao Vaz Three primary LAN architectures for Network Engineers, under the sky, Seven OSI layers for the Open System Architects, in their halls of stone, Nine N-xDU operations* for mortal Developers, doomed to die, One protocol suite for the Dark Sysadmin, in his dark server room, In the land of mordor.net, where the shadowed fibers lie
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Christian Graus wrote: I'm copying 4.7 Gig discs ( they are video discs, and for what it's worth, Factory-made DVDs are not the same thing as DVD(+/-)R, and you'll only be able to fit 4.4GB of video. Often DVDs are double-layer and have 9.4 GB. There are lots of tools which will help you to recode or remove content (secondary languages, etc), so they'll fit in 4.4 GB. Elby's Clone DVD[^] is not free (although you can use a trial), but is damn easy to use, really point & click. There are some free tools to do the same thing, but be prepare for some hassle. Yes, even I am blogging now!
Thanks, but like I said, I know all this. I am copying from a 4.7 -R disc to a 4.7 -R disc. Christian I have drunk the cool-aid and found it wan and bitter. - Chris Maunder
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DVD Shrink[^]
Hogwash! We all get along fine once everyone starts doing what I say! James R. Twine, Hope for the Best, Plan for the Worst...Thanks - I know about these programs. My point is that I have a -R disc that someone has put a music video onto, and a -R disc that I want to make a backup onto. I don't see why this should fail, except that some burning software will give me more disc capacity. Christian I have drunk the cool-aid and found it wan and bitter. - Chris Maunder