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Proceedings Paper

Modulation codes for multi-level run-length limited read-only optical disc
Author(s): Hua Hu; Longfa Pan; Yi Ni
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Paper Abstract

A new rate 8/12 4-level run-length limited (2, 9) code with spaced pits/lands constraint has been constructed. The code efficiency is high of 94.0%, and the density ratio is 2.0 bits per minimum recorded mark. The encoder has six states and the decoder window length is only two. This byte-oriented code is very suitable to be applied in practical multi-level read-only optical disc systems.

Paper Details

Date Published: 24 January 2008
PDF: 8 pages
Proc. SPIE 6827, Quantum Optics, Optical Data Storage, and Advanced Microlithography, 682718 (24 January 2008); doi: 10.1117/12.756279
Show Author Affiliations
Hua Hu, Tsinghua Univ. (China)
Longfa Pan, Tsinghua Univ. (China)
Yi Ni, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 6827:
Quantum Optics, Optical Data Storage, and Advanced Microlithography
Chris A. Mack; Jinfeng Kang; Jun-en Yao; Guangcan Guo; Song-hao Liu; Osamu Hirota; Guofan Jin; Kees A. Schouhamer Immink; Keiji Shono, Editor(s)

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