@inproceedings{TUW-167013, author = {G{\"o}rtz, Norbert}, title = {A new GSM Speech and Channel Codec with Enhanced Speech Quality (original in German)}, booktitle = {Proc. Aachener Kolloquium Signaltheorie}, year = {1997}, pages = {219--224}, url = {http://publik.tuwien.ac.at/files/PubDat_167013.pdf}, note = {talk: Aachener Kolloquium Signaltheorie, Aachen, Germany; 1997-03-00} }