Ralf Schlüter

ORCID

Publication Activity (10 Years)

Years Active: 1997-2024
Publications (10 Years): 155

Top Venues

RWTH Aachen University, Germany (PHD)

Education History

RWTH Aachen University, Germany

PHD

Publications

Rohit Prabhavalkar, Takaaki Hori, Tara N. Sainath, Ralf Schlüter, Shinji Watanabe
End-to-End Speech Recognition: A Survey. IEEE ACM Trans. Audio Speech Lang. Process. 32 (2024)
Zijian Yang, Wei Zhou, Ralf Schlüter, Hermann Ney
Lattice-Free Sequence Discriminative Training for Phoneme-Based Neural Transducers. ICASSP (2023)
Peter Vieting, Simon Berger, Thilo von Neumann, Christoph Böddeker, Ralf Schlüter, Reinhold Haeb-Umbach
Mixture Encoder Supporting Continuous Speech Separation for Meeting Recognition. CoRR (2023)
Simon Berger, Peter Vieting, Christoph Böddeker, Ralf Schlüter, Reinhold Haeb-Umbach
Mixture Encoder for Joint Speech Separation and Recognition. CoRR (2023)
Tina Raissi, Christoph Lüscher, Moritz Gunz, Ralf Schlüter, Hermann Ney
Competitive and Resource Efficient Factored Hybrid HMM Systems are Simpler Than You Think. CoRR (2023)
Nick Rossenbach, Benedikt Hilmes, Ralf Schlüter
On the Relevance of Phoneme Duration Variability of Synthesized Training Data for Automatic Speech Recognition. CoRR (2023)
Nick Rossenbach, Benedikt Hilmes, Ralf Schlüter
On the Relevance of Phoneme Duration Variability of Synthesized Training Data for Automatic Speech Recognition. ASRU (2023)
Daniel Mann, Tina Raissi, Wilfried Michel, Ralf Schlüter, Hermann Ney
End-To-End Training of a Neural HMM with Label and Transition Probabilities. ASRU (2023)
Zijian Yang, Wei Zhou, Ralf Schlüter, Hermann Ney
On the Relation between Internal Language Model and Sequence Discriminative Training for Neural Transducers. CoRR (2023)
Mohammad Zeineldeen, Albert Zeyer, Ralf Schlüter, Hermann Ney
Chunked Attention-based Encoder-Decoder Model for Streaming Speech Recognition. CoRR (2023)
Peter Vieting, Ralf Schlüter, Hermann Ney
Comparative Analysis of the wav2vec 2.0 Feature Extractor. CoRR (2023)
Zijian Yang, Wei Zhou, Ralf Schlüter, Hermann Ney
Investigating the Effect of Language Models in Sequence Discriminative Training for Neural Transducers. CoRR (2023)
Zijian Yang, Wei Zhou, Ralf Schlüter, Hermann Ney
Investigating The Effect of Language Models in Sequence Discriminative Training For Neural Transducers. ASRU (2023)
Wei Zhou, Haotian Wu, Jingjing Xu, Mohammad Zeineldeen, Christoph Lüscher, Ralf Schlüter, Hermann Ney
Enhancing and Adversarial: Improve ASR with Speaker Labels. ICASSP (2023)
Rohit Prabhavalkar, Takaaki Hori, Tara N. Sainath, Ralf Schlüter, Shinji Watanabe
End-to-End Speech Recognition: A Survey. CoRR (2023)
Christoph Lüscher, Jingjing Xu, Mohammad Zeineldeen, Ralf Schlüter, Hermann Ney
Improving And Analyzing Neural Speaker Embeddings for ASR. CoRR (2023)
Wei Zhou, Eugen Beck, Simon Berger, Ralf Schlüter, Hermann Ney
RASR2: The RWTH ASR Toolkit for Generic Sequence-to-sequence Speech Recognition. CoRR (2023)
Peter Vieting, Christoph Lüscher, Julian Dierkes, Ralf Schlüter, Hermann Ney
Efficient Utilization of Large Pre-Trained Models for Low Resource ASR. ICASSP Workshops (2023)
Daniel Mann, Tina Raissi, Wilfried Michel, Ralf Schlüter, Hermann Ney
End-to-End Training of a Neural HMM with Label and Transition Probabilities. CoRR (2023)
Peter Vieting, Christoph Lüscher, Julian Dierkes, Ralf Schlüter, Hermann Ney
Efficient Use of Large Pre-Trained Models for Low Resource ASR. CoRR (2022)
Mohammad Zeineldeen, Jingjing Xu, Christoph Lüscher, Ralf Schlüter, Hermann Ney
Improving the Training Recipe for a Robust Conformer-based Hybrid Model. CoRR (2022)
Wei Zhou, Haotian Wu, Jingjing Xu, Mohammad Zeineldeen, Christoph Lüscher, Ralf Schlüter, Hermann Ney
Enhancing and Adversarial: Improve ASR with Speaker Labels. CoRR (2022)
Tina Raissi, Wei Zhou, Simon Berger, Ralf Schlüter, Hermann Ney
HMM vs. CTC for Automatic Speech Recognition: Comparison Based on Full-Sum Training from Scratch. CoRR (2022)
Nils-Philipp Wynands, Wilfried Michel, Jan Rosendahl, Ralf Schlüter, Hermann Ney
Efficient Sequence Training of Attention Models Using Approximative Recombination. ICASSP (2022)
Wei Zhou, Zuoyun Zheng, Ralf Schlüter, Hermann Ney
On Language Model Integration for RNN Transducer Based Speech Recognition. ICASSP (2022)
Mohammad Zeineldeen, Jingjing Xu, Christoph Lüscher, Wilfried Michel, Alexander Gerstenberger, Ralf Schlüter, Hermann Ney
Conformer-Based Hybrid ASR System For Switchboard Dataset. ICASSP (2022)
Michael Gansen, Jie Lou, Florian Freye, Tobias Gemmeke, Farhad Merchant, Albert Zeyer, Mohammad Zeineldeen, Ralf Schlüter, Xin Fan
Discrete Steps towards Approximate Computing. ISQED (2022)
Zijian Yang, Wei Zhou, Ralf Schlüter, Hermann Ney
Lattice-Free Sequence Discriminative Training for Phoneme-Based Neural Transducers. CoRR (2022)
Zijian Yang, Yingbo Gao, Alexander Gerstenberger, Jintao Jiang, Ralf Schlüter, Hermann Ney
Self-Normalized Importance Sampling for Neural Language Modeling. INTERSPEECH (2022)
Albert Zeyer, Robin Schmitt, Wei Zhou, Ralf Schlüter, Hermann Ney
Monotonic Segmental Attention for Automatic Speech Recognition. SLT (2022)
Mohammad Zeineldeen, Jingjing Xu, Christoph Lüscher, Ralf Schlüter, Hermann Ney
Improving the Training Recipe for a Robust Conformer-based Hybrid Model. INTERSPEECH (2022)
Felix Meyer, Wilfried Michel, Mohammad Zeineldeen, Ralf Schlüter, Hermann Ney
Automatic Learning of Subword Dependent Model Scales. INTERSPEECH (2022)
Tina Raissi, Eugen Beck, Ralf Schlüter, Hermann Ney
Improving Factored Hybrid HMM Acoustic Modeling without State Tying. ICASSP (2022)
Albert Zeyer, Robin Schmitt, Wei Zhou, Ralf Schlüter, Hermann Ney
Monotonic segmental attention for automatic speech recognition. CoRR (2022)
Tina Raissi, Eugen Beck, Ralf Schlüter, Hermann Ney
Improving Factored Hybrid HMM Acoustic Modeling without State Tying. CoRR (2022)
Wei Zhou, Wilfried Michel, Ralf Schlüter, Hermann Ney
Efficient Training of Neural Transducer for Speech Recognition. CoRR (2022)
Tina Raissi, Wei Zhou, Simon Berger, Ralf Schlüter, Hermann Ney
HMM vs. CTC for Automatic Speech Recognition: Comparison Based on Full-Sum Training from Scratch. SLT (2022)
Wei Zhou, Wilfried Michel, Ralf Schlüter, Hermann Ney
Efficient Training of Neural Transducer for Speech Recognition. INTERSPEECH (2022)
Christoph Lüscher, Mohammad Zeineldeen, Zijian Yang, Peter Vieting, Khai Le-Duc, Weiyue Wang, Ralf Schlüter, Hermann Ney
Development of Hybrid ASR Systems for Low Resource Medical Domain Conversational Telephone Speech. CoRR (2022)
Wei Zhou, Mohammad Zeineldeen, Zuoyun Zheng, Ralf Schlüter, Hermann Ney
Acoustic Data-Driven Subword Modeling for End-to-End Speech Recognition. Interspeech (2021)
Albert Zeyer, Ralf Schlüter, Hermann Ney
A study of latent monotonic attention variants. CoRR (2021)
Wei Zhou, Albert Zeyer, André Merboldt, Ralf Schlüter, Hermann Ney
Equivalence of Segmental and Neural Transducer Modeling: A Proof of Concept. Interspeech (2021)
Yu Qiao, Wei Zhou, Elma Kerz, Ralf Schlüter
The Impact of ASR on the Automatic Analysis of Linguistic Complexity and Sophistication in Spontaneous L2 Speech. Interspeech (2021)
Wei Zhou, Albert Zeyer, André Merboldt, Ralf Schlüter, Hermann Ney
Equivalence of Segmental and Neural Transducer Modeling: A Proof of Concept. CoRR (2021)
Felix Meyer, Wilfried Michel, Mohammad Zeineldeen, Ralf Schlüter, Hermann Ney
Automatic Learning of Subword Dependent Model Scales. CoRR (2021)
Peter Vieting, Christoph Lüscher, Wilfried Michel, Ralf Schlüter, Hermann Ney
Feature Replacement and Combination for Hybrid ASR Systems. CoRR (2021)
Parnia Bahar, Tobias Bieschke, Ralf Schlüter, Hermann Ney
Tight Integrated End-to-End Training for Cascaded Speech Translation. SLT (2021)
Wei Zhou, Simon Berger, Ralf Schlüter, Hermann Ney
Phoneme Based Neural Transducer for Large Vocabulary Speech Recognition. ICASSP (2021)
Wei Zhou, Mohammad Zeineldeen, Zuoyun Zheng, Ralf Schlüter, Hermann Ney
Acoustic Data-Driven Subword Modeling for End-to-End Speech Recognition. CoRR (2021)
Nick Rossenbach, Mohammad Zeineldeen, Benedikt Hilmes, Ralf Schlüter, Hermann Ney
Comparing the Benefit of Synthetic Training Data for Various Automatic Speech Recognition Architectures. CoRR (2021)
Mohammad Zeineldeen, Aleksandr Glushko, Wilfried Michel, Albert Zeyer, Ralf Schlüter, Hermann Ney
Investigating Methods to Improve Language Model Integration for Attention-Based Encoder-Decoder ASR Models. Interspeech (2021)
Yingbo Gao, David Thulke, Alexander Gerstenberger, Khoa Viet Tran, Ralf Schlüter, Hermann Ney
On Sampling-Based Training Criteria for Neural Language Modeling. CoRR (2021)
Mohammad Zeineldeen, Aleksandr Glushko, Wilfried Michel, Albert Zeyer, Ralf Schlüter, Hermann Ney
Investigating Methods to Improve Language Model Integration for Attention-based Encoder-Decoder ASR Models. CoRR (2021)
Yu Qiao, Sourabh Zanwar, Rishab Bhattacharyya, Daniel Wiechmann, Wei Zhou, Elma Kerz, Ralf Schlüter
Prediction of Listener Perception of Argumentative Speech in a Crowdsourced Dataset Using (Psycho-)Linguistic and Fluency Features. CoRR (2021)
Nick Rossenbach, Mohammad Zeineldeen, Benedikt Hilmes, Ralf Schlüter, Hermann Ney
Comparing the Benefit of Synthetic Training Data for Various Automatic Speech Recognition Architectures. ASRU (2021)
Zijian Yang, Yingbo Gao, Alexander Gerstenberger, Jintao Jiang, Ralf Schlüter, Hermann Ney
Self-Normalized Importance Sampling for Neural Language Modeling. CoRR (2021)
Nils-Philipp Wynands, Wilfried Michel, Jan Rosendahl, Ralf Schlüter, Hermann Ney
Efficient Sequence Training of Attention Models using Approximative Recombination. CoRR (2021)
Albert Zeyer, Ralf Schlüter, Hermann Ney
Why does CTC result in peaky behavior? CoRR (2021)
Albert Zeyer, André Merboldt, Wilfried Michel, Ralf Schlüter, Hermann Ney
Librispeech Transducer Model with Internal Language Model Prior Correction. CoRR (2021)
Wei Zhou, Zuoyun Zheng, Ralf Schlüter, Hermann Ney
On Language Model Integration for RNN Transducer based Speech Recognition. CoRR (2021)
Albert Zeyer, André Merboldt, Wilfried Michel, Ralf Schlüter, Hermann Ney
Librispeech Transducer Model with Internal Language Model Prior Correction. Interspeech (2021)
Mohammad Zeineldeen, Jingjing Xu, Christoph Lüscher, Wilfried Michel, Alexander Gerstenberger, Ralf Schlüter, Hermann Ney
Conformer-based Hybrid ASR System for Switchboard Dataset. CoRR (2021)
Peter Vieting, Christoph Lüscher, Wilfried Michel, Ralf Schlüter, Hermann Ney
On Architectures and Training for Raw Waveform Feature Extraction in ASR. ASRU (2021)
Tina Raissi, Eugen Beck, Ralf Schlüter, Hermann Ney
Towards Consistent Hybrid HMM Acoustic Modeling. CoRR (2021)
Yu Qiao, Zhou Wei, Elma Kerz, Ralf Schlüter
The Impact of ASR on the Automatic Analysis of Linguistic Complexity and Sophistication in Spontaneous L2 Speech. CoRR (2021)
Yingbo Gao, David Thulke, Alexander Gerstenberger, Khoa Viet Tran, Ralf Schlüter, Hermann Ney
On Sampling-Based Training Criteria for Neural Language Modeling. Interspeech (2021)
Mohammad Zeineldeen, Albert Zeyer, Ralf Schlüter, Hermann Ney
Layer-Normalized LSTM for Hybrid-Hmm and End-To-End ASR. ICASSP (2020)
Kazuki Irie, Alexander Gerstenberger, Ralf Schlüter, Hermann Ney
How Much Self-Attention Do We Needƒ Trading Attention for Feed-Forward Layers. ICASSP (2020)
Wei Zhou, Ralf Schlüter, Hermann Ney
Robust Beam Search for Encoder-Decoder Attention Based Speech Recognition Without Length Bias. INTERSPEECH (2020)
Albert Zeyer, André Merboldt, Ralf Schlüter, Hermann Ney
A New Training Pipeline for an Improved Neural Transducer. INTERSPEECH (2020)
Albert Zeyer, André Merboldt, Ralf Schlüter, Hermann Ney
A New Training Pipeline for an Improved Neural Transducer. CoRR (2020)
Wilfried Michel, Ralf Schlüter, Hermann Ney
Early Stage LM Integration Using Local and Global Log-Linear Combination. INTERSPEECH (2020)
Jingjing Huo, Yingbo Gao, Weiyue Wang, Ralf Schlüter, Hermann Ney
Investigation of Large-Margin Softmax in Neural Language Modeling. CoRR (2020)
Jingjing Huo, Yingbo Gao, Weiyue Wang, Ralf Schlüter, Hermann Ney
Investigation of Large-Margin Softmax in Neural Language Modeling. INTERSPEECH (2020)
Eugen Beck, Ralf Schlüter, Hermann Ney
LVCSR with Transformer Language Models. INTERSPEECH (2020)
Tina Raissi, Eugen Beck, Ralf Schlüter, Hermann Ney
Context-Dependent Acoustic Modeling without Explicit Phone Clustering. CoRR (2020)
Parnia Bahar, Tobias Bieschke, Ralf Schlüter, Hermann Ney
Tight Integrated End-to-End Training for Cascaded Speech Translation. CoRR (2020)
Wei Zhou, Wilfried Michel, Kazuki Irie, Markus Kitza, Ralf Schlüter, Hermann Ney
The Rwth Asr System for Ted-Lium Release 2: Improving Hybrid Hmm With Specaugment. ICASSP (2020)
Albert Zeyer, Wei Zhou, Thomas Ng, Ralf Schlüter, Hermann Ney
Investigations on Phoneme-Based End-To-End Speech Recognition. CoRR (2020)
Vitalii Bozheniuk, Albert Zeyer, Ralf Schlüter, Hermann Ney
A Comprehensive Study of Residual CNNS for Acoustic Modeling in ASR. ICASSP (2020)
Wei Zhou, Ralf Schlüter, Hermann Ney
Full-Sum Decoding for Hybrid HMM based Speech Recognition using LSTM Language Model. CoRR (2020)
Parnia Bahar, Nikita Makarov, Albert Zeyer, Ralf Schlüter, Hermann Ney
Exploring A Zero-Order Direct Hmm Based on Latent Attention for Automatic Speech Recognition. ICASSP (2020)
Wei Zhou, Ralf Schlüter, Hermann Ney
Full-Sum Decoding for Hybrid Hmm Based Speech Recognition Using LSTM Language Model. ICASSP (2020)
Wei Zhou, Wilfried Michel, Kazuki Irie, Markus Kitza, Ralf Schlüter, Hermann Ney
The RWTH ASR System for TED-LIUM Release 2: Improving Hybrid HMM with SpecAugment. CoRR (2020)
Tina Raissi, Eugen Beck, Ralf Schlüter, Hermann Ney
Context-Dependent Acoustic Modeling Without Explicit Phone Clustering. INTERSPEECH (2020)
Nick Rossenbach, Albert Zeyer, Ralf Schlüter, Hermann Ney
Generating Synthetic Audio Data for Attention-Based Speech Recognition Systems. ICASSP (2020)
Wilfried Michel, Ralf Schlüter, Hermann Ney
Early Stage LM Integration Using Local and Global Log-Linear Combination. CoRR (2020)
Wilfried Michel, Ralf Schlüter, Hermann Ney
Frame-Level MMI as A Sequence Discriminative Training Criterion for LVCSR. ICASSP (2020)
Wei Zhou, Simon Berger, Ralf Schlüter, Hermann Ney
Phoneme Based Neural Transducer for Large Vocabulary Speech Recognition. CoRR (2020)
Christoph Lüscher, Eugen Beck, Kazuki Irie, Markus Kitza, Wilfried Michel, Albert Zeyer, Ralf Schlüter, Hermann Ney
RWTH ASR Systems for LibriSpeech: Hybrid vs Attention - w/o Data Augmentation. CoRR (2019)
Nick Rossenbach, Albert Zeyer, Ralf Schlüter, Hermann Ney
Generating Synthetic Audio Data for Attention-Based Speech Recognition Systems. CoRR (2019)
Albert Zeyer, Parnia Bahar, Kazuki Irie, Ralf Schlüter, Hermann Ney
A Comparison of Transformer and LSTM Encoder Decoder Models for ASR. ASRU (2019)
Anna Piunova, Eugen Beck, Ralf Schlüter, Hermann Ney
Rescoring Keyword Search Confidence Estimates with Graph-Based Re-Ranking Using Acoustic Word Embeddings. INTERSPEECH (2019)
Parnia Bahar, Albert Zeyer, Ralf Schlüter, Hermann Ney
On Using 2D Sequence-to-sequence Models for Speech Recognition. ICASSP (2019)
Kazuki Irie, Albert Zeyer, Ralf Schlüter, Hermann Ney
Language Modeling with Deep Transformers. CoRR (2019)
Ralf Schlüter
Survey Talk: Modeling in Automatic Speech Recognition: Beyond Hidden Markov Models. INTERSPEECH (2019)
André Merboldt, Albert Zeyer, Ralf Schlüter, Hermann Ney
An Analysis of Local Monotonic Attention Variants. INTERSPEECH (2019)
Tobias Menne, Ralf Schlüter, Hermann Ney
Investigation into Joint Optimization of Single Channel Speech Enhancement and Acoustic Modeling for Robust ASR. ICASSP (2019)
Wilfried Michel, Ralf Schlüter, Hermann Ney
Comparison of Lattice-Free and Lattice-Based Sequence Discriminative Training Criteria for LVCSR. INTERSPEECH (2019)
Parnia Bahar, Albert Zeyer, Ralf Schlüter, Hermann Ney
On Using SpecAugment for End-to-End Speech Translation. IWSLT (2019)

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Publication Activity (10 Years)

Top Topics

Top Venues

Ralf Schlüter