Optical disc having data recorded in an encoded block form for i

Details Optical disc having data recorded in an encoded block form for i Optical disc having data recorded in an encoded block form for i

1998-09-18

2000-09-26

Dinh, Tan

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

G11B 724

Patent

active

061251003

ABSTRACT:
An optical disc and an optical disc apparatus having an improved error correction capability. In an optical disc on which is recorded data encoded using an encoding block of a pre-set data volume as a unit for encoding, a data volume V of the encoding block is the maximum number among data volume values of the encoding block that satisfies the relation VX(1+R)XD<L0, and that can be expressed by the powers of 2, where L0 is the innermost track length, R is the redundancy of encoding, and D is the code length per bit. In this manner, the encoding block is of a size corresponding or substantially corresponding to the entire innermost track of an optical disc.

REFERENCES:
patent: 4599717 (1986-07-01), Bracht et al.
patent: 4734901 (1988-03-01), Murakami
patent: 5684893 (1997-11-01), Shikakura
patent: 5721720 (1998-02-01), Kikuchi et al.
patent: 5796438 (1998-08-01), Hosono
patent: 5896355 (1999-04-01), Sako et al.
Patent Abstracts of Japan, vol. 17, no. 519 (P-1615), Sep. 17, 1993, JP 05 135503 Jun. 1, 1993.
K. A. Schouhamer Immink: "The Digital Versatile Disc (DVD): System Requirements and Channel Coding" SMPTE JOURNAL, Aug. 1996 (1996-08), pp. 483-489, XP000627183.

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