@conference{heylen1994optimal, title = {Optimal Multirate Filters for Minimum and Linear-Phase Equalization}, author = {Heylen, Robert L. M. and Hawksford, Malcolm J.}, booktitle = {Audio Engineering Society Convention 97}, month = {Nov}, year = {1994}, url = {https://www.aes.org/e-lib/browse.cfm?elib=6332} }