Comparison of optimization methods for discriminative training criteria. - Ralf Schlüter; Wolfgang Macherey; Stephan Kanthak; Hermann Ney; Lutz Welling (EUROSPEECH, 1997)

Comparison of discriminative training criteria. - Ralf Schlüter; Wolfgang Macherey (ICASSP, 1998)

Using word probabilities as confidence measures. - Frank Wessel; Klaus Macherey; Ralf Schlüter (ICASSP, 1998)

Discriminative Training of Gaussian Mixtures for Image Object Recognition. - Jörg Dahmen; Ralf Schlüter; Hermann Ney (DAGM-Symposium, 1999)

A combined maximum mutual information and maximum likelihood approach for mixture density splitting. - Ralf Schlüter; Wolfgang Macherey; Boris Müller; Hermann Ney (EUROSPEECH, 1999)

Recent improvements of the RWTH large vocabulary speech recognition system on spontaneous speech. - Achim Sixtus; Sirko Molau; Stephan Kanthak; Ralf Schlüter; Hermann Ney (ICASSP, 2000)

Using posterior word probabilities for improved speech recognition. - Frank Wessel; Ralf Schlüter; Hermann Ney (ICASSP, 2000)

Speech recognition using context conditional word posterior probabilities. - Ralf Schlüter; Frank Wessel; Hermann Ney (INTERSPEECH, 2000)

The RWTH Large Vocabulary Speech Recognition System for Spontaneous Speech. - Stephan Kanthak; Sirko Molau; Achim Sixtus; Ralf Schlüter; Hermann Ney (KONVENS, 2000)

Investigations on discriminative training criteria. - Ralf Schlüter (2000)

Computing Mel-frequency cepstral coefficients on the power spectrum. - Sirko Molau; Michael Pitz; Ralf Schlüter; Hermann Ney (ICASSP, 2001)

Using phase spectrum information for improved speech recognition performance. - Ralf Schlüter; Hermann Ney (ICASSP, 2001)

Explicit word error minimization using word hypothesis posterior probabilities. - Frank Wessel; Ralf Schlüter; Hermann Ney (ICASSP, 2001)

Vocal tract normalization equals linear transformation in cepstral space. - Michael Pitz; Sirko Molau; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2001)

Comparison of discriminative training criteria and optimization methods for speech recognition. - Ralf Schlüter; Wolfgang Macherey; Boris Müller; Hermann Ney (Speech Commun., 2001)

Model-based MCE bound to the true Bayes' error. - Ralf Schlüter; Hermann Ney (IEEE Signal Process. Lett., 2001)

Confidence measures for large vocabulary continuous speech recognition. - Frank Wessel; Ralf Schlüter; Klaus Macherey; Hermann Ney (IEEE Trans. Speech Audio Process., 2001)

Robust speech recognition using a voiced-unvoiced feature. - András Zolnay; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2002)

Extraction methods of voicing feature for robust speech recognition. - András Zolnay; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2003)

Discriminative training with tied covariance matrices. - Wolfgang Macherey; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2004)

Cross Domain Automatic Transcription on the TC-STAR EPPS Corpus. - Christian Gollan; Maximilian Bisani; Stephan Kanthak; Ralf Schlüter; Hermann Ney (ICASSP (1), 2005)

Acoustic Feature Combination for Robust Speech Recognition. - András Zolnay; Ralf Schlüter; Hermann Ney (ICASSP (1), 2005)

Articulatory motivated acoustic features for speech recognition. - Daniil Kocharov; András Zolnay; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2005)

Investigations on error minimizing training criteria for discriminative training in automatic speech recognition. - Wolfgang Macherey; Lars Haferkamp; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2005)

Bayes risk minimization using metric loss functions. - Ralf Schlüter; T. Scharrenbach; Volker Steinbiss; Hermann Ney (INTERSPEECH, 2005)

Frame based system combination and a comparison with weighted ROVER and CNC. - Björn Hoffmeister; Tobias Klein; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2006)

The 2006 RWTH parliamentary speeches transcription system. - Jonas Lööf; Maximilian Bisani; Christian Gollan; Georg Heigold; Björn Hoffmeister; Christian Plahl; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2006)

Feature combination using linear discriminant analysis and its pitfalls. - Ralf Schlüter; András Zolnay; Hermann Ney (INTERSPEECH, 2006)

Development of the 2007 RWTH Mandarin LVCSR system. - Björn Hoffmeister; Christian Plahl; Peter Fritz; Georg Heigold; Jonas Lööf; Ralf Schlüter; Hermann Ney (ASRU, 2007)

Advances in Arabic broadcast news transcription at RWTH. - David Rybach; Stefan Hahn; Christian Gollan; Ralf Schlüter; Hermann Ney (ASRU, 2007)

Cross-Site and Intra-Site ASR System Combination: Comparisons on Lattice and 1-Best Methods. - Björn Hoffmeister; Dustin Hillard; Stefan Hahn; Ralf Schlüter; Mari Ostendorf; Hermann Ney (ICASSP (4), 2007)

Gammatone Features and Feature Combination for Large Vocabulary Speech Recognition. - Ralf Schlüter; Ilja Bezrukov; Hermann Wagner; Hermann Ney (ICASSP (4), 2007)

An improved method for unsupervised training of LVCSR systems. - Christian Gollan; Stefan Hahn; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2007)

On the equivalence of Gaussian HMM and Gaussian HMM-like hidden conditional random fields. - Georg Heigold; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2007)

The RWTH 2007 TC-STAR evaluation system for european English and Spanish. - Jonas Lööf; Christian Gollan; Stefan Hahn; Georg Heigold; Björn Hoffmeister; Christian Plahl; David Rybach; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2007)

Efficient estimation of speaker-specific projecting feature transforms. - Jonas Lööf; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2007)

Hierarchical neural networks feature extraction for LVCSR system. - Fabio Valente; Jithendra Vepa; Christian Plahl; Christian Gollan; Hynek Hermansky; Ralf Schlüter (INTERSPEECH, 2007)

iROVER: Improving System Combination with Classification. - Dustin Hillard; Björn Hoffmeister; Mari Ostendorf; Ralf Schlüter; Hermann Ney (HLT-NAACL (Short Papers), 2007)

Using multiple acoustic feature sets for speech recognition. - András Zolnay; Daniil Kocharov; Ralf Schlüter; Hermann Ney (Speech Commun., 2007)

A GIS-like training algorithm for log-linear models with hidden variables. - Georg Heigold; Thomas Deselaers; Ralf Schlüter; Hermann Ney (ICASSP, 2008)

Modified MMI/MPE: a direct evaluation of the margin in speech recognition. - Georg Heigold; Thomas Deselaers; Ralf Schlüter; Hermann Ney (ICML, 2008)

On the equivalence of Gaussian and log-linear HMMs. - Georg Heigold; Patrick Lehnen; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2008)

iCNC and iROVER: the limits of improving system combination with classification? - Björn Hoffmeister; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2008)

Recent improvements of the RWTH GALE Mandarin LVCSR system. - Christian Plahl; Björn Hoffmeister; Mei-Yuh Hwang; Danju Lu; Georg Heigold; Jonas Lööf; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2008)

Development of the SRI/nightingale Arabic ASR system. - Dimitra Vergyri; Arindam Mandal; Wen Wang 001; Andreas Stolcke; Jing Zheng 001; Martin Graciarena; David Rybach; Christian Gollan; Ralf Schlüter; Katrin Kirchhoff; Arlo Faria; Nelson Morgan (INTERSPEECH, 2008)

Generalized likelihood ratio discriminant analysis. - Muhammad Ali Tahir; Georg Heigold; Christian Plahl; Ralf Schlüter; Hermann Ney (ASRU, 2009)

Investigations on features for log-linear acoustic models in continuous speech recognition. - Simon Wiesler; Markus Nußbaum-Thom; Georg Heigold; Ralf Schlüter; Hermann Ney (ASRU, 2009)

Modified MPE/MMI in a transducer-based framework. - Georg Heigold; Ralf Schlüter; Hermann Ney (ICASSP, 2009)

Audio segmentation for speech recognition using segment features. - David Rybach; Christian Gollan; Ralf Schlüter; Hermann Ney (ICASSP, 2009)

Automatic Transcription of Courtroom Recordings in the JUMAS project. - Daniele Falavigna; Diego Giuliani; Roberto Gretter; Jonas Lööf; Christian Gollan; Ralf Schlüter; Hermann Ney (ICT4Justice, 2009)

Investigating the use of morphological decomposition and diacritization for improving Arabic LVCSR. - Amr El-Desoky; Christian Gollan; David Rybach; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2009)

Investigations on convex optimization using log-linear HMMs for digit string recognition. - Georg Heigold; David Rybach; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2009)

Log-linear model combination with word-dependent scaling factors. - Björn Hoffmeister; Ruoying Liang; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2009)

Bayes risk approximations using time overlap with an application to system combination. - Björn Hoffmeister; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2009)

Parallel fast likelihood computation for LVCSR using mixture decomposition. - Naveen Parihar; Ralf Schlüter; David Rybach; Eric A. Hansen (INTERSPEECH, 2009)

Development of the GALE 2008 Mandarin LVCSR system. - Christian Plahl; Björn Hoffmeister; Georg Heigold; Jonas Lööf; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2009)

The RWTH aachen university open source speech recognition system. - David Rybach; Christian Gollan; Georg Heigold; Björn Hoffmeister; Jonas Lööf; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2009)

Discriminative HMMS, log-linear models, and CRFS: What is the difference? - Georg Heigold; Simon Wiesler; Markus Nußbaum-Thom; Patrick Lehnen; Ralf Schlüter; Hermann Ney (ICASSP, 2010)

Discriminative adaptation for log-linear acoustic models. - Jonas Lööf; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2010)

Time conditioned search in automatic speech recognition reconsidered. - David Nolden; Hermann Ney; Ralf Schlüter (INTERSPEECH, 2010)

The RWTH 2009 quaero ASR evaluation system for English and German. - Markus Nußbaum-Thom; Simon Wiesler; Martin Sundermeyer; Christian Plahl; Stefan Hahn; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2010)

Parallel lexical-tree based LVCSR on multi-core processors. - Naveen Parihar; Ralf Schlüter; David Rybach; Eric A. Hansen (INTERSPEECH, 2010)

Hierarchical bottle neck features for LVCSR. - Christian Plahl; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2010)

Revisiting VTLN using linear transformation on conventional MFCC. - Doddipatla Rama Sanand; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2010)

On the relation of Bayes risk, word error, and word posteriors in ASR. - Ralf Schlüter; Markus Nußbaum-Thom; Hermann Ney (INTERSPEECH, 2010)

A discriminative splitting criterion for phonetic decision trees. - Simon Wiesler; Georg Heigold; Markus Nußbaum-Thom; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2010)

A Hybrid Morphologically Decomposed Factored Language Models for Arabic LVCSR. - Amr El-Desoky; Ralf Schlüter; Hermann Ney (HLT-NAACL, 2010)

Evaluation of automatic transcription systems for the judicial domain. - Jonas Lööf; Daniele Falavigna; Ralf Schlüter; Diego Giuliani; Roberto Gretter; Hermann Ney (SLT, 2010)

Sub-lexical language models for German LVCSR. - Amr El-Desoky Mousa; M. Ali Basha Shaik; Ralf Schlüter; Hermann Ney (SLT, 2010)

Margin-Based Discriminative Training for String Recognition. - Georg Heigold; Philippe Dreuw; Stefan Hahn; Ralf Schlüter; Hermann Ney (IEEE J. Sel. Top. Signal Process., 2010)

Cross-lingual portability of Chinese and english neural network features for French and German LVCSR. - Christian Plahl; Ralf Schlüter; Hermann Ney (ASRU, 2011)

Discriminative splitting of Gaussian/log-linear mixture HMMs for speech recognition. - Muhammad Ali Tahir; Ralf Schlüter; Hermann Ney (ASRU, 2011)

A convergence analysis of log-linear training and its application to speech recognition. - Simon Wiesler; Ralf Schlüter; Hermann Ney (ASRU, 2011)

Subspace pursuit method for kernel-log-linear models. - Yotaro Kubo; Simon Wiesler; Ralf Schlüter; Hermann Ney; Shinji Watanabe 001; Atsushi Nakamura; Tetsunori Kobayashi (ICASSP, 2011)

Exploiting sparseness of backing-off language models for efficient look-ahead in LVCSR. - David Nolden; Hermann Ney; Ralf Schlüter (ICASSP, 2011)

A comparative analysis of dynamic network decoding. - David Rybach; Ralf Schlüter; Hermann Ney (ICASSP, 2011)

Using morpheme and syllable based sub-words for polish LVCSR. - M. Ali Basha Shaik; Amr El-Desoky Mousa; Ralf Schlüter; Hermann Ney (ICASSP, 2011)

The RWTH 2010 Quaero ASR evaluation system for English, French, and German. - Martin Sundermeyer; Markus Nußbaum-Thom; Simon Wiesler; Christian Plahl; Amr El-Desoky Mousa; Stefan Hahn; David Nolden; Ralf Schlüter; Hermann Ney (ICASSP, 2011)

Non-stationary feature extraction for automatic speech recognition. - Zoltán Tüske; Pavel Golik; Ralf Schlüter; Friedhelm R. Drepper (ICASSP, 2011)

Feature selection for log-linear acoustic models. - Simon Wiesler; Alexander Richard; Yotaro Kubo; Ralf Schlüter; Hermann Ney (ICASSP, 2011)

Morpheme Based Factored Language Models for German LVCSR. - Amr El-Desoky Mousa; M. Ali Basha Shaik; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

Acoustic Look-Ahead for More Efficient Decoding in LVCSR. - David Nolden; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

Compound Word Recombination for German LVCSR. - Markus Nußbaum-Thom; Amr El-Desoky Mousa; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

Improved Acoustic Feature Combination for LVCSR by Neural Networks. - Christian Plahl; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

Hybrid Language Models Using Mixed Types of Sub-Lexical Units for Open Vocabulary German LVCSR. - M. Ali Basha Shaik; Amr El-Desoky Mousa; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

On the Estimation of Discount Parameters for Language Model Smoothing. - Martin Sundermeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

Log-Linear Optimization of Second-Order Polynomial Features with Subsequent Dimension Reduction for Speech Recognition. - Muhammad Ali Tahir; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2011)

A Study on Speaker Normalized MLP Features in LVCSR. - Zoltán Tüske; Christian Plahl; Ralf Schlüter (INTERSPEECH, 2011)

Speech recognition for machine translation in Quaero. - Lori Lamel; Sandrine Courcinous; Julien Despres; Jean-Luc Gauvain; Yvan Josse; Kevin Kilgour; Florian Kraft; Viet Bac Le; Hermann Ney; Markus Nußbaum-Thom; Ilya Oparin; Tim Schlippe; et al. (IWSLT, 2011)

Equivalence of Generative and Log-Linear Models. - Georg Heigold; Hermann Ney; Patrick Lehnen; Tobias Gass; Ralf Schlüter (IEEE Trans. Speech Audio Process., 2011)

On the Relationship Between Bayes Risk and Word Error Rate in ASR. - Ralf Schlüter; Markus Nußbaum-Thom; Hermann Ney (IEEE Trans. Speech Audio Process., 2011)

Basis vector orthogonalization for an improved kernel gradient matching pursuit method. - Yotaro Kubo; Shinji Watanabe 001; Atsushi Nakamura; Simon Wiesler; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

Investigations on the use of morpheme level features in Language Models for Arabic LVCSR. - Amr El-Desoky Mousa; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

Joining advantages of word-conditioned and token-passing decoding. - David Nolden; David Rybach; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

Extended search space pruning in LVCSR. - David Nolden; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

Silence is golden: Modeling non-speech events in WFST-based dynamic network decoders. - David Rybach; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

Comparison and combination of different CRBE based MLP features for LVCSR. - Zoltán Tüske; Ralf Schlüter; Hermann Ney (ICASSP, 2012)

Morpheme Level Feature-based Language Models for German LVCSR. - Amr El-Desoky Mousa; M. Ali Basha Shaik; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Search Space Pruning Based on Anticipated Path Recombination in LVCSR. - David Nolden; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Posterior-Scaled MPE: Novel Discriminative Training Criteria. - Markus Nußbaum-Thom; Zoltán Tüske; Georg Heigold; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Investigation of Maximum Entropy Hybrid Language Models for Open Vocabulary German and Polish LVCSR. - M. Ali Basha Shaik; Amr El-Desoky Mousa; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Hierarchical hybrid language models for open vocabulary continuous speech recognition using WFST. - M. Ali Basha Shaik; David Rybach; Stefan Hahn; Ralf Schlüter; Hermann Ney (SAPA@INTERSPEECH, 2012)

LSTM Neural Networks for Language Modeling. - Martin Sundermeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Simultaneous Discriminative Training and Mixture Splitting of HMMs for Speech Recognition. - Muhammad Ali Tahir; Markus Nußbaum-Thom; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Non-stationary signal processing and its application in speech recognition. - Zoltán Tüske; Friedhelm R. Drepper; Ralf Schlüter (SAPA@INTERSPEECH, 2012)

Context-Dependent MLPs for LVCSR: TANDEM, Hybrid or Both? - Zoltán Tüske; Ralf Schlüter; Hermann Ney; Martin Sundermeyer (INTERSPEECH, 2012)

Accelerated Batch Learning of Convex Log-linear Models for LVCSR. - Simon Wiesler; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2012)

Phase difference of filter-stable part-tones as acoustic feature. - Zoltán Tüske; Friedhelm R. Drepper; Ralf Schlüter (SSP, 2012)

Does the Cost Function Matter in Bayes Decision Rule? - Ralf Schlüter; Markus Nußbaum-Thom; Hermann Ney (IEEE Trans. Pattern Anal. Mach. Intell., 2012)

Discriminative Training for Automatic Speech Recognition: Modeling, Criteria, Optimization, Implementation, and Performance. - Georg Heigold; Hermann Ney; Ralf Schlüter; Simon Wiesler (IEEE Signal Process. Mag., 2012)

WFST Enabled Solutions to ASR Problems: Beyond HMM Decoding. - Björn Hoffmeister; Georg Heigold; David Rybach; Ralf Schlüter; Hermann Ney (IEEE Trans. Speech Audio Process., 2012)

Efficient nearly error-less LVCSR decoding based on incremental forward and backward passes. - David Nolden; Ralf Schlüter; Hermann Ney (ASRU, 2013)

A high-performance Cantonese keyword search system. - Brian Kingsbury; Jia Cui; Xiaodong Cui; Mark J. F. Gales; Kate M. Knill; Jonathan Mamou; Lidia Mangu; David Nolden; Michael Picheny; Bhuvana Ramabhadran; Ralf Schlüter; Abhinav Sethy; et al. (ICASSP, 2013)

Open vocabulary handwriting recognition using combined word-level and character-level language models. - Michal Kozielski; David Rybach; Stefan Hahn; Ralf Schlüter; Hermann Ney (ICASSP, 2013)

System combination and score normalization for spoken term detection. - Jonathan Mamou; Jia Cui; Xiaodong Cui; Mark J. F. Gales; Brian Kingsbury; Kate M. Knill; Lidia Mangu; David Nolden; Michael Picheny; Bhuvana Ramabhadran; Ralf Schlüter; Abhinav Sethy; et al. (ICASSP, 2013)

Advanced search space pruning with acoustic look-ahead for WFST based LVCSR. - David Nolden; Ralf Schlüter; Hermann Ney (ICASSP, 2013)

Feature combination and stacking of recurrent and non-recurrent neural networks for LVCSR. - Christian Plahl; Michal Kozielski; Ralf Schlüter; Hermann Ney (ICASSP, 2013)

Comparison of feedforward and recurrent neural network language models. - Martin Sundermeyer; Ilya Oparin; Jean-Luc Gauvain; B. Freiberg; Ralf Schlüter; Hermann Ney (ICASSP, 2013)

Investigation on cross- and multilingual MLP features under matched and mismatched acoustical conditions. - Zoltán Tüske; Joel Pinto; Daniel Willett; Ralf Schlüter (ICASSP, 2013)

Deep hierarchical bottleneck MRASTA features for LVCSR. - Zoltán Tüske; Ralf Schlüter; Hermann Ney (ICASSP, 2013)

A critical evaluation of stochastic algorithms for convex optimization. - Simon Wiesler; Alexander Richard; Ralf Schlüter; Hermann Ney (ICASSP, 2013)

Development of the RWTH transcription system for slovenian. - Pavel Golik; Zoltán Tüske; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2013)

Improving LVCSR with hidden conditional random fields for grapheme-to-phoneme conversion. - Stefan Hahn; Patrick Lehnen; Simon Wiesler; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2013)

Morpheme level hierarchical pitman-yor class-based language models for LVCSR of morphologically rich languages. - Amr El-Desoky Mousa; M. Ali Basha Shaik; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2013)

Relative error bounds for statistical classifiers based on the f-divergence. - Markus Nußbaum-Thom; Eugen Beck; Tamer Alkhouli; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2013)

Feature-rich sub-lexical language models using a maximum entropy approach for German LVCSR. - M. Ali Basha Shaik; Amr El-Desoky Mousa; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2013)

Training log-linear acoustic models in higher-order polynomial feature space for speech recognition. - Muhammad Ali Tahir; Heyun Huang; Ralf Schlüter; Hermann Ney; Louis ten Bosch; Bert Cranen; Lou Boves (INTERSPEECH, 2013)

Multilingual hierarchical MRASTA features for ASR. - Zoltán Tüske; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2013)

Novel tight classification error bounds under mismatch conditions based on f-Divergence. - Ralf Schlüter; Markus Nußbaum-Thom; Eugen Beck; Tamer Alkhouli; Hermann Ney (ITW, 2013)

The RWTH Aachen German and English LVCSR systems for IWSLT-2013. - M. Ali Basha Shaik; Zoltán Tüske; Simon Wiesler; Markus Nußbaum-Thom; Stephan Peitz; Ralf Schlüter; Hermann Ney (IWSLT (Evaluation Campaign), 2013)

Investigations on an EM-Style Optimization Algorithm for Discriminative Training of HMMs. - Georg Heigold; Hermann Ney; Ralf Schlüter (IEEE ACM Trans. Audio Speech Lang. Process., 2013)

Lexical Prefix Tree and WFST: A Comparison of Two Dynamic Search Concepts for LVCSR. - David Rybach; Hermann Ney; Ralf Schlüter (IEEE Trans. Speech Audio Process., 2013)

A family of discriminative training criteria based on the F-divergence for deep neural networks. - Markus Nußbaum-Thom; Xiaodong Cui; Ralf Schlüter; Vaibhava Goel; Hermann Ney (ICASSP, 2014)

Multilingual MRASTA features for low-resource keyword search and speech recognition systems. - Zoltán Tüske; David Nolden; Ralf Schlüter; Hermann Ney (ICASSP, 2014)

The RWTH English lecture recognition system. - Simon Wiesler; Kazuki Irie; Zoltán Tüske; Ralf Schlüter; Hermann Ney (ICASSP, 2014)

RASR/NN: The RWTH neural network toolkit for speech recognition. - Simon Wiesler; Alexander Richard; Pavel Golik; Ralf Schlüter; Hermann Ney (ICASSP, 2014)

Mean-normalized stochastic gradient for large-scale deep learning. - Simon Wiesler; Alexander Richard; Ralf Schlüter; Hermann Ney (ICASSP, 2014)

Open-Lexicon Language Modeling Combining Word and Character Levels. - Michal Kozielski; Martin Matysiak; Patrick Doetsch; Ralf Schlüter; Hermann Ney (ICFHR, 2014)

Word pair approximation for more efficient decoding with high-order language models. - David Nolden; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2014)

RWTH LVCSR systems for quaero and EU-bridge: German, Polish, Spanish and Portuguese. - M. Ali Basha Shaik; Zoltán Tüske; Muhammad Ali Tahir; Markus Nußbaum-Thom; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2014)

rwthlm - the RWTH aachen university neural network language modeling toolkit. - Martin Sundermeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2014)

Lattice decoding and rescoring with long-Span neural network language models. - Martin Sundermeyer; Zoltán Tüske; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2014)

Data augmentation, feature combination, and multilingual neural networks to improve ASR and KWS performance for low-resource languages. - Zoltán Tüske; Pavel Golik; David Nolden; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2014)

Acoustic modeling with deep neural networks using raw time signal for LVCSR. - Zoltán Tüske; Pavel Golik; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2014)

Multilingual representations for low resource speech recognition and keyword search. - Jia Cui; Brian Kingsbury; Bhuvana Ramabhadran; Abhinav Sethy; Kartik Audhkhasi; Xiaodong Cui; Ellen Kislal; Lidia Mangu; Markus Nußbaum-Thom; Michael Picheny; Zoltán Tüske; Pavel Golik; et al. (ASRU, 2015)

Speaker adaptive joint training of Gaussian mixture models and bottleneck features. - Zoltán Tüske; Pavel Golik; Ralf Schlüter; Hermann Ney (ASRU, 2015)

Unsupervised adaptation of a denoising autoencoder by Bayesian Feature Enhancement for reverberant asr under mismatch conditions. - Jahn Heymann; Reinhold Haeb-Umbach; Pavel Golik; Ralf Schlüter (ICASSP, 2015)

Improved strategies for a zero oov rate LVCSR system. - M. Ali Basha Shaik; Amr El-Desoky Mousa; Stefan Hahn; Ralf Schlüter; Hermann Ney (ICASSP, 2015)

Investigation of mixture splitting concept for training linear bottlenecks of deep neural network acoustic models. - Muhammad Ali Tahir; Simon Wiesler; Ralf Schlüter; Hermann Ney (ICASSP, 2015)

Integrating Gaussian mixtures into deep neural networks: Softmax layer with hidden variables. - Zoltán Tüske; Muhammad Ali Tahir; Ralf Schlüter; Hermann Ney (ICASSP, 2015)

Sequence-discriminative training of recurrent neural networks. - Paul Voigtlaender; Patrick Doetsch; Simon Wiesler; Ralf Schlüter; Hermann Ney (ICASSP, 2015)

Investigations on sequence training of neural networks. - Simon Wiesler; Pavel Golik; Ralf Schlüter; Hermann Ney (ICASSP, 2015)

Error bounds for context reduction and feature omission. - Eugen Beck; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2015)

Convolutional neural networks for acoustic modeling of raw time signal in LVCSR. - Pavel Golik; Zoltán Tüske; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2015)

Multilingual features based keyword search for very low-resource languages. - Pavel Golik; Zoltán Tüske; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2015)

Bag-of-words input for long history representation in neural network-based language models for speech recognition. - Kazuki Irie; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2015)

Improvements in RWTH LVCSR evaluation systems for Polish, Portuguese, English, urdu, and Arabic. - M. Ali Basha Shaik; Zoltán Tüske; Muhammad Ali Tahir; Markus Nußbaum-Thom; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2015)

From Feedforward to Recurrent LSTM Neural Networks for Language Modeling. - Martin Sundermeyer; Hermann Ney; Ralf Schlüter (IEEE ACM Trans. Audio Speech Lang. Process., 2015)

Robust Online Multi-Channel Speech Recognition. - Markus Kitza; Albert Zeyer; Ralf Schlüter; Jahn Heymann; Reinhold Haeb-Umbach (ITG Symposium on Speech Communication, 2016)

Investigation on log-linear interpolation of multi-domain neural network language model. - Zoltán Tüske; Kazuki Irie; Ralf Schlüter; Hermann Ney (ICASSP, 2016)

LSTM, GRU, Highway and a Bit of Attention: An Empirical Overview for Language Modeling in Speech Recognition. - Kazuki Irie; Zoltán Tüske; Tamer Alkhouli; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2016)

Towards Online-Recognition with Deep Bidirectional LSTM Acoustic Models. - Albert Zeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2016)

The RWTH Aachen LVCSR system for IWSLT-2016 German Skype conversation recognition task. - Wilfried Michel; Zoltán Tüske; M. Ali Basha Shaik; Ralf Schlüter; Hermann Ney (IWSLT, 2016)

Automatic Speech Recognition Based on Neural Networks. - Ralf Schlüter; Patrick Doetsch; Pavel Golik; Markus Kitza; Tobias Menne; Kazuki Irie; Zoltán Tüske; Albert Zeyer (SPECOM, 2016)

Returnn: The RWTH extensible training framework for universal recurrent neural networks. - Patrick Doetsch; Albert Zeyer; Paul Voigtlaender; Ilia Kulikov; Ralf Schlüter; Hermann Ney (ICASSP, 2017)

Investigations on byte-level convolutional neural networks for language modeling in low resource speech recognition. - Kazuki Irie; Pavel Golik; Ralf Schlüter; Hermann Ney (ICASSP, 2017)

Noisy objective functions based on the f-divergence. - Markus Nußbaum-Thom; Ralf Schlüter; Vaibhava Goel; Hermann Ney (ICASSP, 2017)

A comprehensive study of deep bidirectional LSTM RNNS for acoustic modeling in speech recognition. - Albert Zeyer; Patrick Doetsch; Paul Voigtlaender; Ralf Schlüter; Hermann Ney (ICASSP, 2017)

Faster sequence training. - Albert Zeyer; Ilia Kulikov; Ralf Schlüter; Hermann Ney (ICASSP, 2017)

Parallel Neural Network Features for Improved Tandem Acoustic Modeling. - Zoltán Tüske; Wilfried Michel; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2017)

CTC in the Context of Generalized Full-Sum HMM Training. - Albert Zeyer; Eugen Beck; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2017)

The 2016 RWTH Keyword Search System for Low-Resource Languages. - Pavel Golik; Zoltán Tüske; Kazuki Irie; Eugen Beck; Ralf Schlüter; Hermann Ney (SPECOM, 2017)

Inverted Alignments for End-to-End Automatic Speech Recognition. - Patrick Doetsch; Mirko Hannemann; Ralf Schlüter; Hermann Ney (IEEE J. Sel. Top. Signal Process., 2017)

Sequence Modeling and Alignment for LVCSR-Systems. - Eugen Beck; Albert Zeyer; Patrick Doetsch; André Merboldt; Ralf Schlüter; Hermann Ney (ITG Symposium on Speech Communication, 2018)

Prediction of LSTM-RNN Full Context States as a Subtask for N-Gram Feedforward Language Models. - Kazuki Irie; Zhihong Lei; Ralf Schlüter; Hermann Ney (ICASSP, 2018)

Acoustic Modeling of Speech Waveform Based on Multi-Resolution, Neural Network Signal Processing. - Zoltán Tüske; Ralf Schlüter; Hermann Ney (ICASSP, 2018)

Segmental Encoder-Decoder Models for Large Vocabulary Automatic Speech Recognition. - Eugen Beck; Mirko Hannemann; Patrick Dötsch; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2018)

Investigation on Estimation of Sentence Probability by Combining Forward, Backward and Bi-directional LSTM-RNNs. - Kazuki Irie; Zhihong Lei; Liuhui Deng; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2018)

Comparison of BLSTM-Layer-Specific Affine Transformations for Speaker Adaptation. - Markus Kitza; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2018)

Investigation on LSTM Recurrent N-gram Language Models for Speech Recognition. - Zoltán Tüske; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2018)

Improved Training of End-to-end Attention Models for Speech Recognition. - Albert Zeyer; Kazuki Irie; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2018)

Speaker Adapted Beamforming for Multi-Channel Automatic Speech Recognition. - Tobias Menne; Ralf Schlüter; Hermann Ney (SLT, 2018)

Training Language Models for Long-Span Cross-Sentence Evaluation. - Kazuki Irie; Albert Zeyer; Ralf Schlüter; Hermann Ney (ASRU, 2019)

A Comparison of Transformer and LSTM Encoder Decoder Models for ASR. - Albert Zeyer; Parnia Bahar; Kazuki Irie; Ralf Schlüter; Hermann Ney (ASRU, 2019)

On Using 2D Sequence-to-sequence Models for Speech Recognition. - Parnia Bahar; Albert Zeyer; Ralf Schlüter; Hermann Ney (ICASSP, 2019)

Investigation into Joint Optimization of Single Channel Speech Enhancement and Acoustic Modeling for Robust ASR. - Tobias Menne; Ralf Schlüter; Hermann Ney (ICASSP, 2019)

Language Modeling with Deep Transformers. - Kazuki Irie; Albert Zeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

Cumulative Adaptation for BLSTM Acoustic Models. - Markus Kitza; Pavel Golik; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

RWTH ASR Systems for LibriSpeech: Hybrid vs Attention. - Christoph Lüscher; Eugen Beck; Kazuki Irie; Markus Kitza; Wilfried Michel; Albert Zeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

Analysis of Deep Clustering as Preprocessing for Automatic Speech Recognition of Sparsely Overlapping Speech. - Tobias Menne; Ilya Sklyar; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

An Analysis of Local Monotonic Attention Variants. - André Merboldt; Albert Zeyer; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

Comparison of Lattice-Free and Lattice-Based Sequence Discriminative Training Criteria for LVCSR. - Wilfried Michel; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

Rescoring Keyword Search Confidence Estimates with Graph-Based Re-Ranking Using Acoustic Word Embeddings. - Anna Piunova; Eugen Beck; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2019)

Survey Talk: Modeling in Automatic Speech Recognition: Beyond Hidden Markov Models. - Ralf Schlüter (INTERSPEECH, 2019)

On Using SpecAugment for End-to-End Speech Translation. - Parnia Bahar; Albert Zeyer; Ralf Schlüter; Hermann Ney (IWSLT, 2019)

RWTH ASR Systems for LibriSpeech: Hybrid vs Attention - w/o Data Augmentation. - Christoph Lüscher; Eugen Beck; Kazuki Irie; Markus Kitza; Wilfried Michel; Albert Zeyer; Ralf Schlüter; Hermann Ney (CoRR, 2019)

LSTM Language Models for LVCSR in First-Pass Decoding and Lattice-Rescoring. - Eugen Beck; Wei Zhou 043; Ralf Schlüter; Hermann Ney (CoRR, 2019)

Upper and Lower Tight Error Bounds for Feature Omission with an Extension to Context Reduction. - Ralf Schlüter; Eugen Beck; Hermann Ney (IEEE Trans. Pattern Anal. Mach. Intell., 2019)

Training of reduced-rank linear transformations for multi-layer polynomial acoustic features for speech recognition. - Muhammad Ali Tahir; Heyun Huang; Albert Zeyer; Ralf Schlüter; Hermann Ney (Speech Commun., 2019)

Exploring A Zero-Order Direct Hmm Based on Latent Attention for Automatic Speech Recognition. - Parnia Bahar; Nikita Makarov; Albert Zeyer; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

A Comprehensive Study of Residual CNNS for Acoustic Modeling in ASR. - Vitalii Bozheniuk; Albert Zeyer; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

How Much Self-Attention Do We Need? Trading Attention for Feed-Forward Layers. - Kazuki Irie; Alexander Gerstenberger; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

Frame-Level MMI as A Sequence Discriminative Training Criterion for LVCSR. - Wilfried Michel; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

Generating Synthetic Audio Data for Attention-Based Speech Recognition Systems. - Nick Rossenbach; Albert Zeyer; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

Layer-Normalized LSTM for Hybrid-Hmm and End-To-End ASR. - Mohammad Zeineldeen; Albert Zeyer; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

The Rwth Asr System for Ted-Lium Release 2: Improving Hybrid Hmm With Specaugment. - Wei Zhou 043; Wilfried Michel; Kazuki Irie; Markus Kitza; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

Full-Sum Decoding for Hybrid Hmm Based Speech Recognition Using LSTM Language Model. - Wei Zhou 043; Ralf Schlüter; Hermann Ney (ICASSP, 2020)

LVCSR with Transformer Language Models. - Eugen Beck; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2020)

Investigation of Large-Margin Softmax in Neural Language Modeling. - Jingjing Huo; Yingbo Gao; Weiyue Wang 001; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2020)

Early Stage LM Integration Using Local and Global Log-Linear Combination. - Wilfried Michel; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2020)

Context-Dependent Acoustic Modeling Without Explicit Phone Clustering. - Tina Raissi; Eugen Beck; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2020)

A New Training Pipeline for an Improved Neural Transducer. - Albert Zeyer; André Merboldt; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2020)

Robust Beam Search for Encoder-Decoder Attention Based Speech Recognition Without Length Bias. - Wei Zhou 043; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2020)

Investigations on Phoneme-Based End-To-End Speech Recognition. - Albert Zeyer; Wei Zhou 043; Thomas Ng; Ralf Schlüter; Hermann Ney (CoRR, 2020)

Comparing the Benefit of Synthetic Training Data for Various Automatic Speech Recognition Architectures. - Nick Rossenbach; Mohammad Zeineldeen; Benedikt Hilmes; Ralf Schlüter; Hermann Ney (ASRU, 2021)

On Architectures and Training for Raw Waveform Feature Extraction in ASR. - Peter Vieting; Christoph Lüscher; Wilfried Michel; Ralf Schlüter; Hermann Ney (ASRU, 2021)

Phoneme Based Neural Transducer for Large Vocabulary Speech Recognition. - Wei Zhou 043; Simon Berger; Ralf Schlüter; Hermann Ney (ICASSP, 2021)

On Sampling-Based Training Criteria for Neural Language Modeling. - Yingbo Gao; David Thulke; Alexander Gerstenberger; Khoa Viet Tran; Ralf Schlüter; Hermann Ney (Interspeech, 2021)

The Impact of ASR on the Automatic Analysis of Linguistic Complexity and Sophistication in Spontaneous L2 Speech. - Yu Qiao 005; Wei Zhou 043; Elma Kerz; Ralf Schlüter (Interspeech, 2021)

Investigating Methods to Improve Language Model Integration for Attention-Based Encoder-Decoder ASR Models. - Mohammad Zeineldeen; Aleksandr Glushko; Wilfried Michel; Albert Zeyer; Ralf Schlüter; Hermann Ney (Interspeech, 2021)

Librispeech Transducer Model with Internal Language Model Prior Correction. - Albert Zeyer; André Merboldt; Wilfried Michel; Ralf Schlüter; Hermann Ney (Interspeech, 2021)

Equivalence of Segmental and Neural Transducer Modeling: A Proof of Concept. - Wei Zhou 043; Albert Zeyer; André Merboldt; Ralf Schlüter; Hermann Ney (Interspeech, 2021)

Acoustic Data-Driven Subword Modeling for End-to-End Speech Recognition. - Wei Zhou 043; Mohammad Zeineldeen; Zuoyun Zheng; Ralf Schlüter; Hermann Ney (Interspeech, 2021)

Tight Integrated End-to-End Training for Cascaded Speech Translation. - Parnia Bahar; Tobias Bieschke; Ralf Schlüter; Hermann Ney (SLT, 2021)

A study of latent monotonic attention variants. - Albert Zeyer; Ralf Schlüter; Hermann Ney (CoRR, 2021)

Towards Consistent Hybrid HMM Acoustic Modeling. - Tina Raissi; Eugen Beck; Ralf Schlüter; Hermann Ney (CoRR, 2021)

Feature Replacement and Combination for Hybrid ASR Systems. - Peter Vieting; Christoph Lüscher; Wilfried Michel; Ralf Schlüter; Hermann Ney (CoRR, 2021)

The Impact of ASR on the Automatic Analysis of Linguistic Complexity and Sophistication in Spontaneous L2 Speech. - Yu Qiao 005; Zhou Wei; Elma Kerz; Ralf Schlüter (CoRR, 2021)

Why does CTC result in peaky behavior? - Albert Zeyer; Ralf Schlüter; Hermann Ney (CoRR, 2021)

Prediction of Listener Perception of Argumentative Speech in a Crowdsourced Dataset Using (Psycho-)Linguistic and Fluency Features. - Yu Qiao 005; Sourabh Zanwar; Rishab Bhattacharyya; Daniel Wiechmann; Wei Zhou 043; Elma Kerz; Ralf Schlüter (CoRR, 2021)

Improving Factored Hybrid HMM Acoustic Modeling without State Tying. - Tina Raissi; Eugen Beck; Ralf Schlüter; Hermann Ney (ICASSP, 2022)

Efficient Sequence Training of Attention Models Using Approximative Recombination. - Nils-Philipp Wynands; Wilfried Michel; Jan Rosendahl; Ralf Schlüter; Hermann Ney (ICASSP, 2022)

Conformer-Based Hybrid ASR System For Switchboard Dataset. - Mohammad Zeineldeen; Jingjing Xu 002; Christoph Lüscher; Wilfried Michel; Alexander Gerstenberger; Ralf Schlüter; Hermann Ney (ICASSP, 2022)

On Language Model Integration for RNN Transducer Based Speech Recognition. - Wei Zhou 043; Zuoyun Zheng; Ralf Schlüter; Hermann Ney (ICASSP, 2022)

Automatic Learning of Subword Dependent Model Scales. - Felix Meyer; Wilfried Michel; Mohammad Zeineldeen; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2022)

Self-Normalized Importance Sampling for Neural Language Modeling. - Zijian Yang; Yingbo Gao; Alexander Gerstenberger; Jintao Jiang; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2022)

Improving the Training Recipe for a Robust Conformer-based Hybrid Model. - Mohammad Zeineldeen; Jingjing Xu 002; Christoph Lüscher; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2022)

Efficient Training of Neural Transducer for Speech Recognition. - Wei Zhou 043; Wilfried Michel; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2022)

Discrete Steps towards Approximate Computing. - Michael Gansen; Jie Lou; Florian Freye; Tobias Gemmeke; Farhad Merchant; Albert Zeyer; Mohammad Zeineldeen; Ralf Schlüter; Xin Fan 002 (ISQED, 2022)

HMM vs. CTC for Automatic Speech Recognition: Comparison Based on Full-Sum Training from Scratch. - Tina Raissi; Wei Zhou 043; Simon Berger; Ralf Schlüter; Hermann Ney (SLT, 2022)

Monotonic Segmental Attention for Automatic Speech Recognition. - Albert Zeyer; Robin Schmitt; Wei Zhou 043; Ralf Schlüter; Hermann Ney (SLT, 2022)

Development of Hybrid ASR Systems for Low Resource Medical Domain Conversational Telephone Speech. - Christoph Lüscher; Mohammad Zeineldeen; Zijian Yang; Peter Vieting; Khai Le-Duc; Weiyue Wang 001; Ralf Schlüter; Hermann Ney (CoRR, 2022)

Efficient Use of Large Pre-Trained Models for Low Resource ASR. - Peter Vieting; Christoph Lüscher; Julian Dierkes; Ralf Schlüter; Hermann Ney (CoRR, 2022)

End-To-End Training of a Neural HMM with Label and Transition Probabilities. - Daniel Mann; Tina Raissi; Wilfried Michel; Ralf Schlüter; Hermann Ney (ASRU, 2023)

On the Relevance of Phoneme Duration Variability of Synthesized Training Data for Automatic Speech Recognition. - Nick Rossenbach; Benedikt Hilmes; Ralf Schlüter (ASRU, 2023)

Investigating The Effect of Language Models in Sequence Discriminative Training For Neural Transducers. - Zijian Yang; Wei Zhou 043; Ralf Schlüter; Hermann Ney (ASRU, 2023)

Efficient Utilization of Large Pre-Trained Models for Low Resource ASR. - Peter Vieting; Christoph Lüscher; Julian Dierkes; Ralf Schlüter; Hermann Ney (ICASSP Workshops, 2023)

Lattice-Free Sequence Discriminative Training for Phoneme-Based Neural Transducers. - Zijian Yang; Wei Zhou 043; Ralf Schlüter; Hermann Ney (ICASSP, 2023)

Enhancing and Adversarial: Improve ASR with Speaker Labels. - Wei Zhou 043; Haotian Wu; Jingjing Xu 002; Mohammad Zeineldeen; Christoph Lüscher; Ralf Schlüter; Hermann Ney (ICASSP, 2023)

RASR2: The RWTH ASR Toolkit for Generic Sequence-to-sequence Speech Recognition. - Wei Zhou 043; Eugen Beck; Simon Berger; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2023)

Mixture Encoder for Joint Speech Separation and Recognition. - Simon Berger; Peter Vieting; Christoph Böddeker; Ralf Schlüter; Reinhold Haeb-Umbach (INTERSPEECH, 2023)

Competitive and Resource Efficient Factored Hybrid HMM Systems are Simpler Than You Think. - Tina Raissi; Christoph Lüscher; Moritz Gunz; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2023)

Improving And Analyzing Neural Speaker Embeddings for ASR. - Christoph Lüscher; Jingjing Xu 002; Mohammad Zeineldeen; Ralf Schlüter; Hermann Ney (CoRR, 2023)

Comparative Analysis of the wav2vec 2.0 Feature Extractor. - Peter Vieting; Ralf Schlüter; Hermann Ney (CoRR, 2023)

Mixture Encoder Supporting Continuous Speech Separation for Meeting Recognition. - Peter Vieting; Simon Berger; Thilo von Neumann; Christoph Böddeker; Ralf Schlüter; Reinhold Haeb-Umbach (CoRR, 2023)

On the Relation Between Internal Language Model and Sequence Discriminative Training for Neural Transducers. - Zijian Yang; Wei Zhou 043; Ralf Schlüter; Hermann Ney (ICASSP, 2024)

Chunked Attention-Based Encoder-Decoder Model for Streaming Speech Recognition. - Mohammad Zeineldeen; Albert Zeyer; Ralf Schlüter; Hermann Ney (ICASSP, 2024)

Dynamic Encoder Size Based on Data-Driven Layer-wise Pruning for Speech Recognition. - Jingjing Xu 002; Wei Zhou 043; Zijian Yang; Eugen Beck; Ralf Schlüter (INTERSPEECH, 2024)

Investigating the Effect of Label Topology and Training Criterion on ASR Performance and Alignment Quality. - Tina Raissi; Christoph Lüscher; Simon Berger; Ralf Schlüter; Hermann Ney (INTERSPEECH, 2024)

Refined Statistical Bounds for Classification Error Mismatches with Constrained Bayes Error. - Zijian Yang; Vahe Eminyan; Ralf Schlüter; Hermann Ney (ITW, 2024)

Combining TF-GridNet And Mixture Encoder For Continuous Speech Separation For Meeting Transcription. - Peter Vieting; Simon Berger; Thilo von Neumann; Christoph Boeddeker; Ralf Schlüter; Reinhold Haeb-Umbach (SLT, 2024)

On the Effect of Purely Synthetic Training Data for Different Automatic Speech Recognition Architectures. - Nick Rossenbach; Benedikt Hilmes; Ralf Schlüter (CoRR, 2024)

On the Problem of Text-To-Speech Model Selection for Synthetic Data Generation in Automatic Speech Recognition. - Nick Rossenbach; Ralf Schlüter; Sakriani Sakti (CoRR, 2024)

End-to-End Speech Recognition: A Survey. - Rohit Prabhavalkar; Takaaki Hori; Tara N. Sainath; Ralf Schlüter; Shinji Watanabe 001 (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

Efficient Supernet Training with Orthogonal Softmax for Scalable ASR Model Compression. - Jingjing Xu 002; Eugen Beck; Zijian Yang; Ralf Schlüter (ICASSP, 2025)

Right Label Context in End-to-End Training of Time-Synchronous ASR Models. - Tina Raissi; Ralf Schlüter; Hermann Ney (ICASSP, 2025)

The Conformer Encoder May Reverse the Time Dimension. - Robin Schmitt; Albert Zeyer; Mohammad Zeineldeen; Ralf Schlüter; Hermann Ney (ICASSP, 2025)

Classification Error Bound for Low Bayes Error Conditions in Machine Learning. - Zijian Yang; Vahe Eminyan; Ralf Schlüter; Hermann Ney (ICASSP, 2025)

Medical Spoken Named Entity Recognition. - Khai Le-Duc; David Thulke; Hung-Phong Tran; Long Vo-Dang; Khai-Nguyen Nguyen; Truong-Son Hy; Ralf Schlüter (NAACL (Industry Track), 2025)

Running Conventional Automatic Speech Recognition on Memristor Hardware: A Simulated Approach. - Nick Rossenbach; Benedikt Hilmes; Leon Brackmann; Moritz Gunz; Ralf Schlüter (CoRR, 2025)

Analyzing the Importance of Blank for CTC-Based Knowledge Distillation. - Benedikt Hilmes; Nick Rossenbach; Ralf Schlüter (CoRR, 2025)

Label-Context-Dependent Internal Language Model Estimation for CTC. - Zijian Yang; Minh-Nghia Phan; Ralf Schlüter; Hermann Ney (CoRR, 2025)

Regularizing Learnable Feature Extraction for Automatic Speech Recognition. - Peter Vieting; Maximilian Kannen; Benedikt Hilmes; Ralf Schlüter; Hermann Ney (CoRR, 2025)

Dynamic Acoustic Model Architecture Optimization in Training for ASR. - Jingjing Xu 002; Zijian Yang; Albert Zeyer; Eugen Beck; Ralf Schlüter; Hermann Ney (CoRR, 2025)

Exploring Gender Bias in Large Language Models: An In-depth Dive into the German Language. - Kristin Gnadt; David Thulke; Simone Kopeinik; Ralf Schlüter (CoRR, 2025)

Analysis of Domain Shift across ASR Architectures via TTS-Enabled Separation of Target Domain and Acoustic Conditions. - Tina Raissi; Nick Rossenbach; Ralf Schlüter (CoRR, 2025)

A Comparative Analysis on ASR System Combination for Attention, CTC, Factored Hybrid, and Transducer Models. - Noureldin Bayoumi; Robin Schmitt; Tina Raissi; Albert Zeyer; Ralf Schlüter; Hermann Ney (CoRR, 2025)