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Sony Releases Quad-Layer 128 GB BD-R XL Media
Sony is about to start selling the industry's first 128 GB write-once BD-R XL optical media. The discs will also be the first quad-layer BDXL media formally aimed at consumers, but bringing benefits to professionals that use BDXL today.
Although the general BDXL specifications were announced back in 2010 for multi-layered write-once discs with 25 GB and 33.4 GB layers, only triple-layer BDXL discs with a 100 GB capacity (generally aimed at broadcasting, medical, and document imaging industries) have been made available so far. By contrast, quad-layer 128 GB media has never seen the light of day until now.
As it turns out, increasing the per-layer capacity of Blu-ray discs (BDs) to 33.4 GB via a technology called MLSE (Maximum Likelihood Sequence Estimation) was not a big problem, and most of today's BD players and optical drives support the BDXL standard. However, increasing the layer count to four while ensuring a broad compatibility, signal quality across four layers, yields, and some other factors slow downed release of 128 GB BDXL essentially by eight years.
Related: Ultra HD Blu-Ray Specification Completed
(Score: 4, Funny) by anubi on Saturday November 10 2018, @11:19PM
Yeah, in that regard, Sony does have a reputation like someone caught pissing in someone's car.
He will be watched around cars for the rest of his life and no one wants him in their car.
"Prove all things; hold fast that which is good." [KJV: I Thessalonians 5:21]