Signal processing apparatus and method, and data recording/reproducing apparatus using the same
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United States of America Patent
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Jan 11, 2005
Issued Date -
N/A
app pub date -
Oct 15, 2002
filing date -
Jun 3, 1998
priority date (Note) -
Expired
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Abstract
A signal processing apparatus capable of reducing burst error generation, and a highly reliable data recording/reproducing apparatus using this signal processing apparatus. This signal processing apparatus has a simple error detection/correction circuit provided just before a modulated code demodulator, thereby correcting error of a pattern easy to occur in a maximum likelihood decoder. The simple error detection/correction circuit is an error detection/correction circuit using a linear error correction code, for example, an error correction code (CRCC) formed of a cyclic code. Thus the number of burst errors after the modulated code demodulator can be decreased.
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