G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/004 (2006.01) G11B 7/007 (2006.01) G11B 7/08 (2006.01) H03M 13/45 (2006.01)
Patent
CA 2737196
Provided are methods and systems of encoding and decoding techniques in an optical storage system having a multi-head detector. In one embodiment, source data may be encoded using error correction coding (e.g., turbo coding) techniques, and the encoded data may be interleaved and distributed to more than one detector head of the multi-head detector. Data recorded in an optical disc may be retrieved by the multi-head detector, and a read data from more than one detector head may be concurrently decoded to retrieve estimates of the original information in the source data. Further, more than one encoder/decoder may be used, and each encoder/decoder may encode or decode data from multiple data heads. Some embodiments also include replicating multiple discs.
Erik Hershey John
Fergus Ross John Anderson
Shi Xiaolei
Wang Xuefeng
Company General Electric
Craig Wilson And Company
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