Device for decoding disc read signal and method thereof

Details Device for decoding disc read signal and method thereof Device for decoding disc read signal and method thereof

2007-12-11

2007-12-11

Tran, Thai Q. (Department: 2621)

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

Reexamination Certificate

active

10710371

ABSTRACT:
A device for decoding a disc read signal generated by accessing data stored in a disc storage medium. The device includes: a multi-level analog-to-digital converter (ADC) for digitizing the disc read signal to generate a digitized disc read signal; a confidence index generating circuit for generating a plurality of confidence indexes according to the magnitude of the digitalized disc read signal; a demodulator coupled to the multi-level ADC for demodulating the digitalized disc read signal to generate a demodulated disc read signal; and an Error Correction Code (ECC) decoder coupled to the demodulator for decoding the demodulated disc read signal according to the confidence indexes.

REFERENCES:
patent: 6122764 (2000-09-01), Kobayashi
patent: 6360057 (2002-03-01), Tsumagari et al.
patent: 6385389 (2002-05-01), Maruyama et al.

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