An adaptive filter is provided which has fixed point or floating point data stored in a data RAM (74) and block scale floating point coefficients stored in a coefficient RAM (84). The data and coefficients are utilized in a filter algorithm which utilizes a multiplier and an accumulator to provide a...http://www.google.de/patents/US6088445?utm_source=gb-gplus-sharePatent US6088445 - Adaptive filter system having mixed fixed point or floating point and block scale floating point operators
