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Monday 22.9.2025 / 19:46
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afterdawn.com > forums > dvd±r discussion > dvd±r for advanced users > how does original movie fit on original disk
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How does original movie fit on original disk
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mark8766
Junior Member
_ 		9. December 2006 @ 18:14 _ Link to this message    Send private message to this user   
I would like to know how they compress a whole movie onto a blank DVD and why can't we just do the same. Are the original disks of a larger capacity.
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ireland
AfterDawn Addict
_ 		9. December 2006 @ 19:29 _ Link to this message    Send private message to this user   
go here and read about DVD5 4.38 gigabytes and DVD9 7.95 gigabytes ,most movies use a DVD9

Glossary link

http://www.afterdawn.com/glossary/terms/dvd-5.cfm

programs use Compression to fit a DVD9 on a DVD5...

Compressing digital data means removing redundancies so that it takes up less space. There are two main forms of compression, lossy and lossless. Lossless compression only takes away a certain amount of data so that it can be returned to its original complete state. Lossy compression however, will sacrifice more data to produce better compression. MPEG-4 is a lossy compression that can keep high quality but can reduce the amount of space a video file needs tremendously.
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MysticE
AfterDawn Addict
_ 		9. December 2006 @ 19:54 _ Link to this message    Send private message to this user   
Originally posted by mark8766:
I would like to know how they compress a whole movie onto a blank DVD and why can't we just do the same. Are the original disks of a larger capacity.

They do and we can.
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bilbo65
AfterDawn Addict
_ 		10. December 2006 @ 06:08 _ Link to this message    Send private message to this user   
Tightly....
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afterdawn.com > forums > dvd±r discussion > dvd±r for advanced users > how does original movie fit on original disk
 

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