@conference{driessen2005an, title = {An Unsupervised Adaptive Filtering Approach of 2-to-5 Channel Upmix}, author = {Driessen, Peter F. and Li, Yan}, booktitle = {Audio Engineering Society Convention 119}, month = {Oct}, year = {2005}, url = {https://www.aes.org/e-lib/browse.cfm?elib=13284} }