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     This story was printed from CdrInfo.com,

     located at http://www.cdrinfo.com.

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"..Cirrus Logic's CR3470 encoder/decoder, featured in the new Spressa CD-RW drives, support 12x record and 40x read. To ensure the highest data integrity at the industry's fastest data transfer rates, Cirrus Logic has embedded its industry-leading programmable Error Correction Code (ECC) circuitry in the CR3470. At a raw error rate as high as 1%, this error correction logic can sustain a throughput equivalent to 90x CD-ROM speed. It also can perform multiple-pass correction, fully exploiting the intrinsic correction capability incorporated in the data structure.

Its operation is asynchronous and fully independent of disc and host transfer operations. Thus, fluctuation in correction speed due to error pattern variations will not effect the data throughput. This powerful, proprietary ECC algorithm allows the decoder to retrieve otherwise unrecoverable data.."