A novel system by which the utilization of a central processing unit (CPU) in performing filtering operations can be reduced by shortening the filter's length thus degrading the performance of the system down to a predetermined level or threshold. The present invention is applicable to such systems that...http://www.google.ca/patents/US5909384?utm_source=gb-gplus-sharePatent US5909384 - System for dynamically adapting the length of a filter
