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Applied Optics

Applied Optics


  • Vol. 37, Iss. 2 — Jan. 10, 1998
  • pp: 386–395

Reliability estimates for data recovered from compact discs

Babak Tehranchi and Dennis G. Howe  »View Author Affiliations

Applied Optics, Vol. 37, Issue 2, pp. 386-395 (1998)

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Data reliability at the output of the error-correction code decoder in a compact-disc system is influenced by the decoding strategy employed by the decoder, as well as by the statistical distribution of errors that contaminate the recorded data. Recovered-data reliability estimates have been computed by use of error statistics obtained from the measurement of errors that contaminate the actual data stored on clean write-once and read-only-memory compact discs. These estimates consist of probabilities that specify the occurrence of residual errors in the data that appear at the output of a compact-disc player’s cross-interleaved Reed–Solomon code (CIRC) decoder. Data reliability estimates that apply to five specific CIRC decoding strategies are reported.

© 1998 Optical Society of America

OCIS Codes
(210.0210) Optical data storage : Optical data storage
(210.4590) Optical data storage : Optical disks

Original Manuscript: January 13, 1997
Revised Manuscript: May 15, 1997
Published: January 10, 1998

Babak Tehranchi and Dennis G. Howe, "Reliability estimates for data recovered from compact discs," Appl. Opt. 37, 386-395 (1998)

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  8. B. Tehranchi, D. G. Howe, “A channel model for characterization of error data recovered from compact discs,” IEEE Trans. Commun. (to be published).
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  11. The recovered bytes were actually measured for error contamination at the input of the CIRC decoder. We subsequently obtained C1 code words by mathematically performing the deinterleaving step that rearranges the sequential byte stream at the CIRC input to form the corresponding sequence of C1 code words.
  12. B. R. Frieden, Probability, Statistical Optics and Data Processing, 2nd ed. (Springer-Verlag, Berlin, 1991). [CrossRef]

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