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Correct Name/Terminology for 'Flipper' DVDs

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RWG 
Senior Member

12 Jul 2003 10:45 PM
I have the DVDs "Dances With Wolves" and "Goodfellas." They are recorded on both sides of a 'larger than 4.7Gig' Disc.

I looked these up on Netflix - they were refered to as 'flippers.' What is the correct name or technical term for these double-sided DVDs? Are they simply double sided D-9s?

Thanks-
Rick

AMD 2200+ Gigabyte GA-7VAXP RAID ATA100
NEC ND-1100A 4X DVD+RW
72morgan 
Senior Member

13 Jul 2003 12:49 AM
RWG

The correct term for these discs is DVD-10.


DVD-10 means a two-sided DVD disc that hold single data layer on both sides.

Effectively this means that DVD-10 is a dual-sided DVD-5 and can hold 8.75 gigabytes of data with 4.38 gigabytes on each side. Two-sided discs need to be flipped over in order to access the other data side.

Unfortunately many blank DVD media advertisers mislead customers to believe that these discs are actually blank DVD-9 discs in hope that they could copy their dual-layer discs directly to blank discs. But as dual-layer writable blank media is impossible to create, customers get misled.

A DVD-5 is :

DVD-5 is an acronym that means a DVD disc that is one-sided single-layer disc and can contain upto 4.38 gigabytes of data on it.

DVD disc manufacturers love to use marketing terms and sell their discs as 4.7GB discs, but this is not true -- the 4.7GB is calculated by using so-called "Japanese gigabytes", where the power of calculations is 1,000 instead of 1,024 (and 1.024 is the correct way to calculate everything in computer world -- so, 1024 megabytes == 1 gigabyte).



72morgan 
Senior Member

13 Jul 2003 1:11 AM
RWG

DVD-9`s

One form of DVD discs that means a single-sided dual-layer DVD disc. DVD-9 can hold approximately 7.95 gigabytes of data, even though marketers like to use the 8.5GB value instead, but this is misleading and is calculated by using so-called "Japanese gigabytes" which means that gigabyte is calculated as 1,000 megabytes, but in real computer terminology, gigabyte is 1,024 megabytes.

DVD-9 DVD-Video discs are problematic for DVD-R owners, because writable DVD discs can only hold the same amount of data that DVD-5 discs contain, due technical reasons.
RWG 
Senior Member

13 Jul 2003 9:48 PM
72morgan,

Many thanks for the information. It's appreciated. I wasn't looking to buy any of these, just curious what they were officially (if anything is official in the DVD specs) called. My Dances w/ Wolves is a 4+ hour movie with part 1 and extras on side 1 and part 2 and more extras on side 2.

later-
RWG

AMD 2200+ Gigabyte GA-7VAXP RAID ATA100
NEC ND-1100A 4X DVD+RW
Get AnyDVD HD and copy any DVD or Blu-ray disc with ease!
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