6. The data processing device according to claim 4 further comprising: class tap extraction means for extracting class taps from said code, said class taps being used for sorting said decoded filter data to one of a plurality of classes, by way of classification, and classification means for finding the class for said decoded filter data, based on said class tap; said prediction means carrying out predictive calculations using said prediction taps and said tap coefficients associated with the class of said decoded filter data.
6. The data processing device according to claim 4 further comprising: class tap extraction means for extracting class taps from said code, said class taps being used for sorting said decoded filter data to one of a plurality of classes, by way of classification, and classification means for finding the class for said decoded filter data, based on said class tap; said prediction means carrying out predictive calculations using said prediction taps and said tap coefficients associated with the class of said decoded filter data. 7. The data processing device according to claim 6 wherein said class tap extraction means extracts said class taps from both said code and said decoded filter data.