SYNTEX - A microprocessor based system for automatic conversion of German text to speech. - Hans-Wilhelm Rühl (ICASSP, 1982)

Sprachsynthese nach Regeln für unbeschränkten deutschen Text. - Hans-Wilhelm Rühl (1984)

Sprein - a voice i/o mail order system with telephone access. - Hans-Wilhelm Rühl; L. M. Winzer (ECST, 1987)

Real-time connected-word recognition in a noisy environment. - Andreas Noll; Hans-Hermann Hamer; H. Piotrowski; Hans-Wilhelm Rühl; Stefan Dobler; J. Weith (ICASSP, 1989)

Automatic speech recognition in a noisy environment. - Hans-Günter Hirsch; Hans-Wilhelm Rühl (EUROSPEECH, 1989)

A voice dialling device for mobile radio. - Stefan Dobler; Werner Armbruester; Peter Meyer; Hans-Wilhelm Rühl (EUROSPEECH, 1991)

Improved speech recognition using high-pass filtering of subband envelopes. - Hans-Günter Hirsch; Peter Meyer; Hans-Wilhelm Rühl (EUROSPEECH, 1991)

Voice controlled mail ordering via telephone using SPREIN. - Hans-Wilhelm Rühl (EUROSPEECH, 1991)

Speech recognition in the noisy car environment. - Hans-Wilhelm Rühl; Stefan Dobler; J. Weith; Peter Meyer; Andreas Noll; Hans-Hermann Hamer; H. Piotrowski (Speech Commun., 1991)

A robust connected-words recognizer. - Stefan Dobler; Peter Meyer; Hans-Wilhelm Rühl (ICASSP, 1992)

German announcements using synthetic speech the Gauss system. - Peter Meyer; Hans-Wilhelm Rühl; L. Vogten (ICSLP, 1992)

A Server for Area Code Information Based on Speech Recognition and Synthesis by Concept. - Stefan Dobler; Peter Meyer; Hans-Wilhelm Rühl; R. Collier; L. Vogten; Karim Belhoula (KONVENS, 1992)

PHRITTS - a text-to-speech synthesizer for the German language. - Peter Meyer; Hans-Wilhelm Rühl; Regina Krüger; Marianne Kugler; L. Vogten; A. Dirksen; Karim Belhoula (EUROSPEECH, 1993)

Design and use of speech recognition algorithms for a mobile radio telephone. - Stefan Dobler; Dieter Geller; Reinhold Haeb-Umbach; Peter Meyer; Hermann Ney; Hans-Wilhelm Rühl (Speech Commun., 1993)

Evaluation of a TTS-system intended for the synthesis of names. - Karim Belhoula; Marianne Kugler; Regina Krüger; Hans-Wilhelm Rühl (SSW, 1994)

Speaker adaptation for telephone based speech dialogue systems. - Stefan Dobler; Hans-Wilhelm Rühl (EUROSPEECH, 1995)

Speech synthesis for the new Pan-European traffic message control system RDS-TMC. - Bert Van Coile; Hans-Wilhelm Rühl; L. Vogten; M. Thoone; S. Goß; D. Delaey; E. Moons; Jacques M. B. Terken; Jan-Roelof de Pijper; Marianne Kugler; P. Kaufholz; Regina Krüger; et al. (Speech Commun., 1997)