Texture features based on Gabor phase. - J. M. Hans du Buf; Peter Heitkämper (Signal Process., 1991)

Adaptive gain control and echo cancellation for hands-free telephone systems. - Peter Heitkämper; Michael Walker II (EUROSPEECH, 1993)

Adaptive gain control for speech quality improvement and echo suppression. - Peter Heitkämper; Michael Walker II (ISCAS, 1993)

Optimization of an acoustic echo canceller combined with adaptive gain control. - Peter Heitkämper (ICASSP, 1995)

An adaptation control for acoustic echo cancellers. - Peter Heitkämper (IEEE Signal Process. Lett., 1997)