Ernst Eberlein, Heinz Gerhäuser, Stefan Krägeloh. Audio codec for 64 kbit/sec (ISDN channel)-requirements and results. In 1990 International Conference on Acoustics, Speech, and Signal Processing, ICASSP '90, Albuquerque, New Mexico, USA, April 3-6, 1990. pages 1105-1108, IEEE, 1990. [doi]
Abstract is missing.