发明授权
US06842875B2 Signal processing apparatus and method, and data recording/reproducing apparatus using the same 失效
信号处理装置和方法,以及使用该信号处理装置和方法的数据记录/再现装置

Signal processing apparatus and method, and data recording/reproducing apparatus using the same
摘要:
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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