doctor-z Posted December 30, 2013 Share Posted December 30, 2013 I found this article in wikipedia: http://en.wikipedia.org/wiki/Blu-ray_Disc_recordable but I cannot understand, version 1 of BD-RE is single layer, version 2 is dual layer? Version 4 is definitely BD-RE X layer but the first 3 versions what type are they? In other words what version is BD-RE dual layer? Is it version 2 or 3? Single layer what version? Link to comment Share on other sites More sharing options...
LIGHTNING UK! Posted December 31, 2013 Share Posted December 31, 2013 BD Disc Information (L0): Disc ID: MEI-T01-001 Disc Type: BD-RE Disc Size: 120mm Disc Class: 0 Disc Version: 2 Disc Time Stamp: 12/2005 Number of Layers: 2 Layer Type: Rewritable DVD Layer Present: No CD Layer Present: No Channel Bit Length: 74.5nm (25GB Per Layer) BCA Present: Yes Maximum Transfer Rate: Not Specified First PAA of Data Zone: 131,072 Last PAA of Data Zone: 1,658,494 Link to comment Share on other sites More sharing options...
doctor-z Posted December 31, 2013 Author Share Posted December 31, 2013 What exactly your post means? You have a version 2 BD-RE DL disc but are all BD-RE DL discs version 2? Link to comment Share on other sites More sharing options...
Adrianvdh Posted January 2, 2014 Share Posted January 2, 2014 To my understanding (AFAIK), Blu-ray Discs have 4 versions and can have up to 4 layers. Version 1 = 25GB Single layer disc. Version 3 = 25GB x2 Double layer disc. Version 1 = 20GB~ x3 Triple layer disc. Version 1 = 20-30GB~ x4 Quadruple layer disc. But I could be wrong Link to comment Share on other sites More sharing options...
doctor-z Posted January 2, 2014 Author Share Posted January 2, 2014 To my understanding (AFAIK), Blu-ray Discs have 4 versions and can have up to 4 layers. Version 1 = 25GB Single layer disc. Version 3 = 25GB x2 Double layer disc. Version 1 = 20GB~ x3 Triple layer disc. Version 1 = 20-30GB~ x4 Quadruple layer disc. But I could be wrong Do you want to say: Version 1 = 25GB Single layer disc. Version 2 = 25GB x2 Double layer disc. Version 3 = 20GB~ x3 Triple layer disc. Version 4 = 20-30GB~ x4 Quadruple layer disc. ???? Do not forget that version 1 of BD-RE was not computer compatible, so version 2 and later are for computer use. The same happens with BD-R, it has 3 versions, all for pc. So, will I be right if I say: For BD-RE: Version 2 = single layer disc Version 3 = dual layer disc Version 4 = multi-layered disc For BD-R: Version 1 = single layer disc Version 2 = dual layer disc Version 3 = multi-layered disc ??????????????? For BD-RE version 4 and BD-R version 3 things are easy, we have multi-layered discs (XL), as wikipedia mentions. But what is going on with BD-RE version 2 and 3 and BD-R version 1 and 2; Link to comment Share on other sites More sharing options...
Adrianvdh Posted January 3, 2014 Share Posted January 3, 2014 Ahh, Ok so currently now we have Blue-ray movies on SL and DL Blu-ray discs, if you look at a older disc and a modern disc. This is no fact AFAIK, correct me if I am wrong, but I believe that 4K media will go on XL discs, but yet again, the XL discs can be used for data backup, Multiple movies re authored to fit on one disc. There are a number of reasons. Link to comment Share on other sites More sharing options...
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