Recording information reproducing apparatus with crosstalk canceler

摘要

A recorded information reproducing apparatus has a crosstalk canceler to ensure fast convergence of the values of filter coefficients of an adaptive digital filter and stable operation. The recorded information reproducing apparatus comprises a reading unit for reading recorded information from one track on a recording medium to acquire a first read signal, and for reading recorded information from at least one track adjacent to the one track to acquire a second read signal; an operating unit for operating at least one coefficient on the second read signal; a subtracter for subtracting an output of the operating unit from the first read signal; and a coefficient setting unit for setting the at least one coefficient and for restricting the at least one coefficient in such a way that the at least one coefficient becomes greater than a first predetermined value or smaller than a second predetermined value.