@conference{ehret2007coding, title = {Coding of "2+2+2" Surround Sound Content Using the Mpeg Surround Standard}, author = {Ehret, Andreas and Gröschel, Alexander and Purnhagen, Heiko and Roedén, Jonas}, booktitle = {Audio Engineering Society Convention 122}, month = {May}, year = {2007}, url = {https://www.aes.org/e-lib/browse.cfm?elib=13977} }