Towards better decoding and language model integration in sequence to sequence models
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Abstract (arXiv)
The recently proposed Sequence-to-Sequence (seq2seq) framework advocates replacing complex data processing pipelines, such as an entire automatic speech recognition system, with a single neural network trained in an end-to-end fashion. In this contribution, we analyse an attention-based seq2seq speech recognition system that directly transcribes recordings into characters. We observe two shortcomings: overconfidence in its predictions and a tendency to produce incomplete transcriptions when language models are used. We propose practical solutions to both problems achieving competitive speaker independent word error rates on the Wall Street Journal dataset: without separate language models we reach 10.6% WER, while together with a trigram language model, we reach 6.7% WER.
Key facts. Cited by 100 papers in the map (data through 7 Oct 2026). First posted on arXiv 8 Dec 2016.
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Citing papers per year: 2021: 33; 2022: 26; 2023: 20; 2024: 12; 2025: 9.
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- 2021Generative Spoken Language Modeling from Raw Audiocited by 336
- 2022Self-Supervised Speech Representation Learning: A Reviewcited by 258
- 2021Unsupervised Speech Recognitioncited by 147
- 2023End-to-End Speech Recognition: A Surveycited by 127
- 2024Derivative-Free Guidance in Continuous and Discrete Diffusion Models with Soft Value-Based Decodingcited by 127
- 2023Stay on topic with Classifier-Free Guidancecited by 90
- 2021To Smooth or Not? When Label Smoothing Meets Noisy Labelscited by 70
- 2021Is Label Smoothing Truly Incompatible with Knowledge Distillation: An Empirical Studycited by 50
- 2023HyPoradise: An Open Baseline for Generative Speech Recognition with Large Language Modelscited by 41
- 2021Internal Language Model Training for Domain-Adaptive End-to-End Speech Recognitioncited by 37
- 2025Dynamic Search for Inference-Time Alignment in Diffusion Modelscited by 36
- 2021Tree-constrained Pointer Generator for End-to-end Contextual Speech Recognitioncited by 32
38 more
- 2022Revisiting Label Smoothing and Knowledge Distillation Compatibility: What was Missing?cited by 32
- 2021Spatially Varying Label Smoothing: Capturing Uncertainty from Expert Annotationscited by 31
- 2021On the limit of English conversational speech recognitioncited by 30
- 2021A Comparative Study on Non-Autoregressive Modelings for Speech-to-Text Generationcited by 27
- 2022JOIST: A Joint Speech and Text Streaming Model For ASRcited by 24
- 2021Learning Word-Level Confidence For Subword End-to-End ASRcited by 22
- 2023An Overview on Language Models: Recent Developments and Outlookcited by 22
- 2024It's Never Too Late: Fusing Acoustic Information into Large Language Models for Automatic Speech Recognitioncited by 22
- 2022Boundary Smoothing for Named Entity Recognitioncited by 21
- 2021Minimum Word Error Rate Training with Language Model Fusion for End-to-End Speech Recognitioncited by 19
- 2021ASR Rescoring and Confidence Estimation with ELECTRAcited by 16
- 2023Large-scale Language Model Rescoring on Long-form Datacited by 14
- 2023CopyNE: Better Contextual ASR by Copying Named Entitiescited by 13
- 2022Improving Rare Word Recognition with LM-aware MWER Trainingcited by 12
- 2023Be Careful What You Smooth For: Label Smoothing Can Be a Privacy Shield but Also a Catalyst for Model Inversion Attackscited by 12
- 2024Rapid Optimization for Jailbreaking LLMs via Subconscious Exploitation and Echopraxiacited by 12
- 2022Minimising Biasing Word Errors for Contextual ASR with the Tree-Constrained Pointer Generatorcited by 11
- 2022BERT Meets CTC: New Formulation of End-to-End Speech Recognition with Pre-trained Masked Language Modelcited by 11
- 2021Understanding Medical Conversations: Rich Transcription, Confidence Scores & Information Extractioncited by 10
- 2021Iterative Teaching by Label Synthesiscited by 10
- 2023Massively Multilingual Shallow Fusion with Large Language Modelscited by 10
- 2021Residual Energy-Based Models for End-to-End Speech Recognitioncited by 9
- 2022Internal Language Model Estimation Through Explicit Context Vector Learning for Attention-based Encoder-decoder ASRcited by 9
- 2023Contextual Biasing with the Knuth-Morris-Pratt Matching Algorithmcited by 9
- 2023Blank-regularized CTC for Frame Skipping in Neural Transducercited by 8
- 2024Label Smoothing Improves Machine Unlearningcited by 8
- 2024Large Language Models for Dysfluency Detection in Stuttered Speechcited by 8
- 2021Language model fusion for streaming end to end speech recognitioncited by 7
- 2022USTED: Improving ASR with a Unified Speech and Text Encoder-Decodercited by 7
- 2022Learning to segment fetal brain tissue from noisy annotationscited by 7
- 2021A Comparative Study on Neural Architectures and Training Methods for Japanese Speech Recognitioncited by 6
- 2022Distilling the Knowledge of BERT for CTC-based ASRcited by 6
- 2022Non-autoregressive Error Correction for CTC-based ASR with Phone-conditioned Masked LMcited by 6
- 2022A Likelihood Ratio based Domain Adaptation Method for E2E Modelscited by 5
- 2022Optimizing Bilingual Neural Transducer with Synthetic Code-switching Text Generationcited by 5
- 2022In and Out-of-Domain Text Adversarial Robustness via Label Smoothingcited by 5
- 2024Revisiting ASR Error Correction with Specialized Modelscited by 5
- 2025Whisper Has an Internal Word Alignercited by 5
50 most cited of 100 All 100 (JSON)
- 2025Optimality and NP-Hardness of Transformers in Learning Markovian Dynamical Functions21 Oct 2025
- 2025Whisper Has an Internal Word Aligner12 Sep 2025
- 2025Label Smoothing is a Pragmatic Information Bottleneck12 Aug 2025
- 2025Improving Contextual ASR via Multi-grained Fusion with Large Language Models16 Jul 2025
- 2025Regularization of ML models for Earth systems by using longer model timesteps23 Mar 2025
- 2025Dynamic Search for Inference-Time Alignment in Diffusion Models3 Mar 2025
- 2025MTLM: Incorporating Bidirectional Text Information to Enhance Language Model Training in Speech Recognition Systems14 Feb 2025
- 2025Aligner-Encoders: Self-Attention Transformers Can Be Self-Transducers6 Feb 2025
- 2025Breaking Through the Spike: Spike Window Decoding for Accelerated and Precise Automatic Speech Recognition1 Jan 2025
- 2024LAMA-UT: Language Agnostic Multilingual ASR through Orthography Unification and Language-Specific Transliteration19 Dec 2024
- 2024Self-Relaxed Joint Training: Sample Selection for Severity Estimation with Ordinal Noisy Labels29 Oct 2024
- 2024Benchmarking Japanese Speech Recognition on ASR-LLM Setups with Multi-Pass Augmented Generative Error Correction29 Aug 2024
38 more
- 2024Derivative-Free Guidance in Continuous and Discrete Diffusion Models with Soft Value-Based Decoding15 Aug 2024
- 2024Large Language Models for Dysfluency Detection in Stuttered Speech16 Jun 2024
- 2024An efficient text augmentation approach for contextualized Mandarin speech recognition14 Jun 2024
- 2024Label Smoothing Improves Machine Unlearning11 Jun 2024
- 2024Revisiting ASR Error Correction with Specialized Models24 May 2024
- 2024The Complexity of Sequential Prediction in Dynamical Systems9 Feb 2024
- 2024Rapid Optimization for Jailbreaking LLMs via Subconscious Exploitation and Echopraxia8 Feb 2024
- 2024It's Never Too Late: Fusing Acoustic Information into Large Language Models for Automatic Speech Recognition8 Feb 2024
- 2024Keep Decoding Parallel with Effective Knowledge Distillation from Language Models to End-to-end Speech Recognisers22 Jan 2024
- 2023Iterative Shallow Fusion of Backward Language Model for End-to-End Speech Recognition17 Oct 2023
- 2023Be Careful What You Smooth For: Label Smoothing Can Be a Privacy Shield but Also a Catalyst for Model Inversion Attacks10 Oct 2023
- 2023A Formalism and Approach for Improving Robustness of Large Language Models Using Risk-Adjusted Confidence Scores5 Oct 2023
- 2023Contextual Biasing with the Knuth-Morris-Pratt Matching Algorithm29 Sep 2023
- 2023HyPoradise: An Open Baseline for Generative Speech Recognition with Large Language Models27 Sep 2023
- 2023Stay on topic with Classifier-Free Guidance30 Jun 2023
- 2023Large-scale Language Model Rescoring on Long-form Data13 Jun 2023
- 2023Multi-View Frequency-Attention Alternative to CNN Frontends for Automatic Speech Recognition12 Jun 2023
- 2023Perception and Semantic Aware Regularization for Sequential Confidence Calibration31 May 2023
- 2023External Language Model Integration for Factorized Neural Transducers26 May 2023
- 2023CopyNE: Better Contextual ASR by Copying Named Entities22 May 2023
- 2023Blank-regularized CTC for Frame Skipping in Neural Transducer19 May 2023
- 2023Label Smoothing is Robustification against Model Misspecification15 May 2023
- 2023LABO: Towards Learning Optimal Label Regularization via Bi-level Optimization8 May 2023
- 2023A Deliberation-based Joint Acoustic and Text Decoder23 Mar 2023
- 2023On-the-fly Text Retrieval for End-to-End ASR Adaptation20 Mar 2023
- 2023An Overview on Language Models: Recent Developments and Outlook10 Mar 2023
- 2023End-to-End Speech Recognition: A Survey3 Mar 2023
- 2023Massively Multilingual Shallow Fusion with Large Language Models17 Feb 2023
- 2023Confidence-Aware Calibration and Scoring Functions for Curriculum Learning29 Jan 2023
- 2022In and Out-of-Domain Text Adversarial Robustness via Label Smoothing20 Dec 2022
- 2022Joint Speech Transcription and Translation: Pseudo-Labeling with Out-of-Distribution Data20 Dec 2022
- 2022Rethinking Label Smoothing on Multi-hop Question Answering19 Dec 2022
- 2022DC-MBR: Distributional Cooling for Minimum Bayesian Risk Decoding8 Dec 2022
- 2022InterMPL: Momentum Pseudo-Labeling with Intermediate CTC Loss2 Nov 2022
- 2022Speech-text based multi-modal training with bidirectional attention for improved speech recognition1 Nov 2022
- 2022BERT Meets CTC: New Formulation of End-to-End Speech Recognition with Pre-trained Masked Language Model29 Oct 2022
- 2022Optimizing Bilingual Neural Transducer with Synthetic Code-switching Text Generation21 Oct 2022
- 2022JOIST: A Joint Speech and Text Streaming Model For ASR13 Oct 2022
50 newest of 100 All 100 (JSON)
- 2021Generative Spoken Language Modeling from Raw Audiocited by 336
- 2022Self-Supervised Speech Representation Learning: A Reviewcited by 258
- 2021Unsupervised Speech Recognitioncited by 147
- 2023End-to-End Speech Recognition: A Surveycited by 127
- 2023Stay on topic with Classifier-Free Guidancecited by 90
- 2021To Smooth or Not? When Label Smoothing Meets Noisy Labelscited by 70
- 2021Is Label Smoothing Truly Incompatible with Knowledge Distillation: An Empirical Studycited by 50
- 2023HyPoradise: An Open Baseline for Generative Speech Recognition with Large Language Modelscited by 41
- 2021Internal Language Model Training for Domain-Adaptive End-to-End Speech Recognitioncited by 37
- 2021Tree-constrained Pointer Generator for End-to-end Contextual Speech Recognitioncited by 32
- 2022Revisiting Label Smoothing and Knowledge Distillation Compatibility: What was Missing?cited by 32
- 2021Spatially Varying Label Smoothing: Capturing Uncertainty from Expert Annotationscited by 31
12 most cited of 96 All 96 (JSON)
- 2025Optimality and NP-Hardness of Transformers in Learning Markovian Dynamical Functions21 Oct 2025
- 2025Whisper Has an Internal Word Aligner12 Sep 2025
- 2025Label Smoothing is a Pragmatic Information Bottleneck12 Aug 2025
- 2025Improving Contextual ASR via Multi-grained Fusion with Large Language Models16 Jul 2025
- 2025Regularization of ML models for Earth systems by using longer model timesteps23 Mar 2025
- 2025MTLM: Incorporating Bidirectional Text Information to Enhance Language Model Training in Speech Recognition Systems14 Feb 2025
- 2025Aligner-Encoders: Self-Attention Transformers Can Be Self-Transducers6 Feb 2025
- 2025Breaking Through the Spike: Spike Window Decoding for Accelerated and Precise Automatic Speech Recognition1 Jan 2025
- 2024LAMA-UT: Language Agnostic Multilingual ASR through Orthography Unification and Language-Specific Transliteration19 Dec 2024
- 2024Self-Relaxed Joint Training: Sample Selection for Severity Estimation with Ordinal Noisy Labels29 Oct 2024
- 2024Benchmarking Japanese Speech Recognition on ASR-LLM Setups with Multi-Pass Augmented Generative Error Correction29 Aug 2024
- 2024Large Language Models for Dysfluency Detection in Stuttered Speech16 Jun 2024
12 newest of 96 All 96 (JSON)