![]() The track pitch is 0.225 μm, the data bit length is 79.5 nm, and the standard will utilise the method of Reed–Solomon Code error correction. In 2019, Sony, co-developed with Panasonic, released it third generation Optical Disc Archival. In the summer of 2015, Sony was scheduled to release a roadmap plan to increase Archival Disc capacity from 300GB to 1TB per disc. Release timescales of the larger discs are currently unknown. Sony expects the new standard to see usage in the film industry (such as storage of 4K resolution audiovisual data ), archival services, and cloud data centres handling big data. ![]() The disc format is not intended as a consumer storage medium as of 2014, but is intended by the two companies as a solution for professional-level data archival. In order to reach a larger capacity whilst ensuring higher playback signal quality, the standard will employ crosstalk cancellation and partial-response maximum-likelihood (PRML) signal processing. Both companies will market the optical format under their respective brands. Sony will be using Archival Disc in the Optical Disc Archive professional archival product range.
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