| 2005 | Interspeech | Embedding grammars into statistical language models. | Harald Hning, Manuel Kirschner, Fritz Class, Andr Berton, Udo Haiber |
| 2003 | Interspeech | A comparative study of some discriminative feature reduction algorithms on the AURORA 2000 and the daimlerchrysler in-car ASR tasks. | Joan Mar Hilario, Fritz Class |
| 1999 | Interspeech | Combining syntactical and statistical language constraints in context-dependent language models for interactive speech applications. | Ute Kilian, Fritz Class |
| 1999 | Interspeech | Optimization of a speech recognizer for aircraft environments. | Volker Schless, Fritz Class, Peter Sandl |
| 1998 | Interspeech | SNR-dependent flooring and noise overestimation for joint application of spectral subtraction and model combination. | Volker Schless, Fritz Class |
| 1997 | Interspeech | Adaptive model combination for robust speech recognition in car environments. | Volker Schless, Fritz Class |
| 1995 | Interspeech | Detection of unknown words in spontaneous speech. | Pablo Fetter, Fritz Class, Udo Haiber, Alfred Kaltenmeier, Ute Kilian, Peter Regel-Brietzmann |
| 1995 | Interspeech | Representation of a finite state grammar as bigram language model for continuous speech recognition. | Ute Kilian, Fritz Class, Alfred Kaltenmeier, Peter Regel-Brietzmann |
| 1995 | Interspeech | Word- and phrase spotting with syllable-based garbage modelling. | H. Klemm, Fritz Class, Ute Kilian |
| 1994 | Interspeech | Robust speech understanding. | Astrid Brietzmann, Fritz Class, Ute Ehrlich, Paul Heisterkamp, Alfred Kaltenmeier, Klaus Mecklenburg, Peter Regel-Brietzmann |
| 1993 | Interspeech | Optimization of an HMM - based continuous speech recognizer. | Fritz Class, Alfred Kaltenmeier, Peter Regel-Brietzmann |
| 1993 | Interspeech | Evaluation of an HMM speech recognizer with various continuous speech databases. | Fritz Class, Alfred Kaltenmeier, Peter Regel-Brietzmann |
| 1992 | ICASSP | Fast speaker adaptation combined with soft vector quantization in an HMM speech recognition system. | Fritz Class, Alfred Kaltenmeier, Peter Regel-Brietzmann, Karl Trottler |
| 1991 | ICASSP | Soft-decision vector quantization based on the Dempster/Shafer theory. | Fritz Class, Alfred Kaltenmeier, Peter Regel |
| 1990 | ICASSP | Fast speaker adaptation for speech recognition systems. | Fritz Class, Alfred Kaltenmeier, Peter Regel-Brietzmann, Karl Trottler |
| 1983 | ICASSP | A learning procedure for speaker-dependent word recognition systems based on sequential processing of input tokens. | Rainer Zelinski, Fritz Class |
| 1981 | ICASSP | A segmentation procedure for connected word recognition based on estimation principles. | Rainer Zelinski, Fritz Class |