As you know, Blu-ray Disc is the next-generation optical disc format for high definition audio-video and high-capacity data software applications. As per the current Blu-ray standards, a single-layer Blu-ray Disc holds up to 25 gigabytes of data and a double-layer Blu-ray Disc holds up to 50 gigabytes of data. Read more abour Blu-ray here, here and here.
Sony and Panasonic worked together and developed a software, which would increase the per-layer storage capacity of Blu-ray Discs from 25 GB to 33.4 GB. They ahve developed a new method of evaluating Blu-ray Disc media quality even at the higher capacity, which is expected to accelerate development of discs offering even more storage space.
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Read and write at 33.4 GB per layer would be implemented using partial response maximum likelihood (PRML) signal processing. The new method can continue to use the existing Blu-ray optics.
The team developed the i-MLSE (Maximum Likelihood Sequence Estimation) evaluation index for evaluating error rate and jitter at high density recording. Sony plans to propose widespread adoption of i-MLSE via the Blu-ray Disc Association and other avenues. Sony is a core member of the Association, making it likely that i-MLSE will be adopted as a standard. Read more about the technology at tech-on!. [via engadget]
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