mlsanityData to 7 Oct 2026

speechocean762: An Open-Source Non-native English Speech Corpus For Pronunciation Assessment

arXiv 2104.01378 ↗First posted 3 Apr 2021cs.CL cs.SD eess.AScited by 57

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Abstract (arXiv)

This paper introduces a new open-source speech corpus named "speechocean762" designed for pronunciation assessment use, consisting of 5000 English utterances from 250 non-native speakers, where half of the speakers are children. Five experts annotated each of the utterances at sentence-level, word-level and phoneme-level. A baseline system is released in open source to illustrate the phoneme-level pronunciation assessment workflow on this corpus. This corpus is allowed to be used freely for commercial and non-commercial purposes. It is available for free download from OpenSLR, and the corresponding baseline system is published in the Kaldi speech recognition toolkit.

Key facts. Cited by 57 papers in the map (data through 7 Oct 2026). Builds on 2 of its 33 references that are in the map. First posted on arXiv 3 Apr 2021.

Builds on

2 of 33 references.

References · 2

  1. 2020An End-to-End Mispronunciation Detection System for L2 English Speech Leveraging Novel Anti-Phone Modelingcited by 18
  2. 2020TLT-school: a Corpus of Non Native Children Speechcited by 10

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Cited by year (2026 to 7 Oct)

Citing papers per year: 2021: 1; 2022: 6; 2023: 10; 2024: 7; 2025: 18; 2026: 15.

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  1. 2022Transformer-Based Multi-Aspect Multi-Granularity Non-Native English Speaker Pronunciation Assessmentcited by 36
  2. 2022Automatic Pronunciation Assessment using Self-Supervised Speech Representation Learningcited by 29
  3. 2025ZIPA: A family of efficient models for multilingual phone recognitioncited by 18
  4. 2025S2S-Arena: Evaluating Paralinguistic Instruction Following in Speech-to-Speech Modelscited by 16
  5. 2025Leveraging Allophony in Self-Supervised Speech Models for Atypical Pronunciation Assessmentcited by 15
  6. 2024Speak & Improve Corpus 2025: an L2 English Speech Corpus for Language Assessment and Feedbackcited by 14
  7. 2025POWSM: A Phonetic Open Whisper-Style Speech Foundation Modelcited by 14
  8. 2022Hierarchical Pronunciation Assessment with Multi-Aspect Attentioncited by 12
  9. 2023MultiPA: A Multi-task Speech Pronunciation Assessment Model for Open Response Scenarioscited by 7
  10. 2023Automatic Pronunciation Assessment -- A Reviewcited by 7
  11. 2025Hallucination Benchmark for Speech Foundation Modelscited by 7
  12. 2025Opportunities and Challenges of LLMs in Education: An NLP Perspectivecited by 6
38 more
  1. 2023Zero-Shot Automatic Pronunciation Assessmentcited by 5
  2. 2023Assessing Phrase Break of ESL Speech with Pre-trained Language Models and Large Language Modelscited by 5
  3. 2025Towards Efficient and Multifaceted Computer-assisted Pronunciation Training Leveraging Hierarchical Selective State Space Model and Decoupled Cross-entropy Losscited by 5
  4. 2025Children's Voice Privacy: First Steps And Emerging Challengescited by 5
  5. 2023Score-balanced Loss for Multi-aspect Pronunciation Assessmentcited by 4
  6. 2023End-to-End Word-Level Pronunciation Assessment with MASK Pre-trainingcited by 4
  7. 2024Pronunciation Assessment with Multi-modal Large Language Modelscited by 4
  8. 2026PRiSM: Benchmarking Phone Realization in Speech Modelscited by 4
  9. 2022Improving Non-native Word-level Pronunciation Scoring with Phone-level Mixup Data Augmentation and Multi-source Informationcited by 3
  10. 2023Phonetic and Prosody-aware Self-supervised Learning Approach for Non-native Fluency Scoringcited by 3
  11. 2023Preserving Phonemic Distinctions for Ordinal Regression: A Novel Loss Function for Automatic Pronunciation Assessmentcited by 3
  12. 2024Acoustic Feature Mixup for Balanced Multi-aspect Pronunciation Assessmentcited by 3
  13. 2025LLaSO: A Foundational Framework for Reproducible Research in Large Language and Speech Modelcited by 3
  14. 2026HuPER: A Human-Inspired Framework for Phonetic Perceptioncited by 3
  15. 2022SpeechBlender: Speech Augmentation Framework for Mispronunciation Data Generationcited by 2
  16. 2025Enhancing GOP in CTC-Based Mispronunciation Detection with Phonological Knowledgecited by 2
  17. 2026Zero-Shot Speech LLMs for Multi-Aspect Evaluation of L2 Speech: Challenges and Opportunitiescited by 2
  18. 2026Rubric-Guided Fine-tuning of SpeechLLMs for Multi-Aspect, Multi-Rater L2 Reading-Speech Assessmentcited by 2
  19. 2024Zero-Shot Text-to-Speech as Golden Speech Generator: A Systematic Framework and its Applicability in Automatic Pronunciation Assessmentcited by 1
  20. 2024Roadmap towards Superhuman Speech Understanding using Large Language Modelscited by 1
  21. 2025Mispronunciation Detection Without L2 Pronunciation Dataset in Low-Resource Setting: A Case Study in Finland Swedishcited by 1
  22. 2025Evaluating Logit-Based GOP Scores for Mispronunciation Detectioncited by 1
  23. 2025Segmentation-free Goodness of Pronunciationcited by 1
  24. 2025Fine-Tuning Large Multimodal Models for Automatic Pronunciation Assessmentcited by 1
  25. 2026A Finetuned SpeechLLM for Joint Multi-Granular L2 Assessment and Natural-Language Rationalescited by 1
  26. 2026Scaling Human and G2P Supervision for Robust Phonetic Transcriptioncited by 1
  27. 2021CoCA-MDD: A Coupled Cross-Attention based Framework for Streaming Mispronunciation Detection and Diagnosiscited by 0
  28. 2022Assessing Phrase Break of ESL speech with Pre-trained Language Modelscited by 0
  29. 2023Building a Non-native Speech Corpus Featuring Chinese-English Bilingual Children: Compilation and Rationalecited by 0
  30. 2023Multiple output samples per input in a single-output Gaussian processcited by 0
  31. 2024Pitch-Aware RNN-T for Mandarin Chinese Mispronunciation Detection and Diagnosiscited by 0
  32. 2024Semi-supervised Learning For Robust Speech Evaluationcited by 0
  33. 2025JCAPT: A Joint Modeling Approach for CAPTcited by 0
  34. 2025CBF-AFA: Chunk-Based Multi-SSL Fusion for Automatic Fluency Assessmentcited by 0
  35. 2025Multi-task Pretraining for Enhancing Interpretable L2 Pronunciation Assessmentcited by 0
  36. 2025MuFFIN: Multifaceted Pronunciation Feedback Model with Interactive Hierarchical Neural Modelingcited by 0
  37. 2026Multi-granularity Interactive Attention Framework for Residual Hierarchical Pronunciation Assessmentcited by 0
  38. 2026Goodness-of-pronunciation without phoneme time alignmentcited by 0

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