Patent ID: 7079467
Filing Date: 2006-07-18
Classification: G11B,H03M

Abstract:
1. A data processing apparatus comprising: means for generating a signal representative of recorded data on a data storage medium; filtering means for receiving the generated signal and equalizing the generated signal response at a predetermined level; and signal correcting means for detecting a plurality of multiple-bit data representative of the equalized signal and processing said multiple-bit data in dependence upon a predetermined set of data correction rules which, in operation of the apparatus, has the effect of enhancing the detection capability of the apparatus, wherein the set of data correction rules is selectively applied to a portion of the multiple-bit data, such application being based upon a comparison of said multiple-bit data with predetermined multiple-bit sequences and wherein the portion of the multiple-bit data are corrected in dependence upon the comparison, and wherein the data corrections are effected additionally in dependence upon the combination of bit-polarities of the detected data distribution.