@conference{helmrich2007improved, title = {Improved Psychoacoustic Noise Shaping for Requantization of High-Resolution Digital Audio}, author = {Helmrich, Christian R. and Holters, Martin and Zölzer, Udo}, booktitle = {Audio Engineering Society Conference: 31st International Conference: New Directions in High Resolution Audio}, month = {Jun}, year = {2007}, url = {https://www.aes.org/e-lib/browse.cfm?elib=13963} }