A segmentation procedure for connected word recognition based on estimation principles. - Rainer Zelinski; Fritz Class (ICASSP, 1981)

A learning procedure for speaker-dependent word recognition systems based on sequential processing of input tokens. - Rainer Zelinski; Fritz Class (ICASSP, 1983)

Bildung von Lauthypothesen mit Polynomklassifikatoren und Markov-Modellen in einem System zur Erkennung kontinuierlicher Sprache. - Alfred Kaltenmeier; Fritz Class (DAGM-Symposium, 1985)

Methoden und Algorithmen der Worterkennung / Methods and Algorithms for Word Recognition. - Fritz Class; Harald Katterfeldt; Peter Regel (it Inf. Technol., 1989)

Eine schnelle Sprecheradaption für verschiedenartige Spracherkenungssyteme. - Fritz Class; Peter Regel-Brietzmann (DAGM-Symposium, 1990)

Fast speaker adaptation for speech recognition systems. - Fritz Class; Alfred Kaltenmeier; Peter Regel-Brietzmann; Karl Trottler (ICASSP, 1990)

Standardisierung von Sprachmustern durch vokabular-invariante Abbildungen zur Anpassung an Spracherkennungssysteme. - Fritz Class (VDI-Verlag, 1990)

Soft-decision vector quantization based on the Dempster/Shafer theory. - Fritz Class; Alfred Kaltenmeier; Peter Regel (ICASSP, 1991)

Fast speaker adaptation combined with soft vector quantization in an HMM speech recognition system. - Fritz Class; Alfred Kaltenmeier; Peter Regel-Brietzmann; Karl Trottler (ICASSP, 1992)

Optimierung eines HMM-Spracherkennungssystems. - Fritz Class; Alfred Kaltenmeier; Peter Regel-Brietzmann; Karl Trottler (KONVENS, 1992)

Hidden Markov Models - A Unified Approach to Recognition of Spoken and Written Language. - Alfred Kaltenmeier; Fritz Class; Peter Regel-Brietzmann; Torsten Caesar; Joachim Glogler; Eberhard Mandler (DAGM-Symposium, 1993)

Optimization of an HMM - based continuous speech recognizer. - Fritz Class; Alfred Kaltenmeier; Peter Regel-Brietzmann (EUROSPEECH, 1993)

Evaluation of an HMM speech recognizer with various continuous speech databases. - Fritz Class; Alfred Kaltenmeier; Peter Regel-Brietzmann (EUROSPEECH, 1993)

Robust speech understanding. - Astrid Brietzmann; Fritz Class; Ute Ehrlich; Paul Heisterkamp; Alfred Kaltenmeier; Klaus Mecklenburg; Peter Regel-Brietzmann (ICSLP, 1994)

Detection of unknown words in spontaneous speech. - Pablo Fetter; Fritz Class; Udo Haiber; Alfred Kaltenmeier; Ute Kilian; Peter Regel-Brietzmann (EUROSPEECH, 1995)

Representation of a finite state grammar as bigram language model for continuous speech recognition. - Ute Kilian; Fritz Class; Alfred Kaltenmeier; Peter Regel-Brietzmann (EUROSPEECH, 1995)

Word- and phrase spotting with syllable-based garbage modelling. - H. Klemm; Fritz Class; Ute Kilian (EUROSPEECH, 1995)

Adaptive model combination for robust speech recognition in car environments. - Volker Schless; Fritz Class (EUROSPEECH, 1997)

SNR-dependent flooring and noise overestimation for joint application of spectral subtraction and model combination. - Volker Schless; Fritz Class (ICSLP, 1998)

Combining syntactical and statistical language constraints in context-dependent language models for interactive speech applications. - Ute Kilian; Fritz Class (EUROSPEECH, 1999)

Optimization of a speech recognizer for aircraft environments. - Volker Schless; Fritz Class; Peter Sandl (EUROSPEECH, 1999)

A comparative study of some discriminative feature reduction algorithms on the AURORA 2000 and the daimlerchrysler in-car ASR tasks. - Joan Marí Hilario; Fritz Class (INTERSPEECH, 2003)

Embedding grammars into statistical language models. - Harald Hning; Manuel Kirschner; Fritz Class; André Berton; Udo Haiber (INTERSPEECH, 2005)