@conference{kratschmer2012envelope, title = {Envelope-Based Spatial Parameter Estimation in Directional Audio Coding}, author = {Kratschmer, Michael and Thiergart, Oliver and Pulkki, Ville}, booktitle = {Audio Engineering Society Convention 133}, month = {Oct}, year = {2012}, url = {https://www.aes.org/e-lib/browse.cfm?elib=16533} }