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Pioneer Claims 400GB Optical Disc

Category: Optical Drives
Posted: July 7, 2008 03:08PM
Author: Nemo

Pioneer is set to to present details on  new 16-layer disc it claims will hold 25GB per layer at a trade symposium in Hawaii on July 13. That would give the read-only discs a total capacity of 400GB. The 25GB capacity per layer is consistent to what current Blu-ray devices achieve, Pioneer has not revealed what technology it is using. Sony has maintained that BD could reach to eight to ten layers, but as the number of layers scale up it becomes increasingly difficult to discern the signals as they weaken the signals from each layer. Pioneer claims to have overcome that obstacle with technology that reduces cross-talk between layers and reliably read the weaker signals.



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