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THCHS-30 : A Free Chinese Speech Corpus

arXiv 1512.01882 ↗First posted 7 Dec 2015cs.CL cs.SDcited by 43

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Abstract (arXiv)

Speech data is crucially important for speech recognition research. There are quite some speech databases that can be purchased at prices that are reasonable for most research institutes. However, for young people who just start research activities or those who just gain initial interest in this direction, the cost for data is still an annoying barrier. We support the `free data' movement in speech recognition: research institutes (particularly supported by public funds) publish their data freely so that new researchers can obtain sufficient data to kick of their career. In this paper, we follow this trend and release a free Chinese speech database THCHS-30 that can be used to build a full- edged Chinese speech recognition system. We report the baseline system established with this database, including the performance under highly noisy conditions.

Key facts. Cited by 43 papers in the map (data through 7 Oct 2026). First posted on arXiv 7 Dec 2015.

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Citing papers per year: 2021: 9; 2022: 9; 2023: 1; 2024: 7; 2025: 10; 2026: 7.

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  2. 2021Interspeech 2021 Deep Noise Suppression Challengecited by 43
  3. 2022Open Source MagicData-RAMC: A Rich Annotated Mandarin Conversational(RAMC) Speech Datasetcited by 36
  4. 2024Encoding of lexical tone in self-supervised models of spoken languagecited by 22
  5. 2021BART based semantic correction for Mandarin automatic speech recognition systemcited by 20
  6. 2025ContextASR-Bench: A Massive Contextual Speech Recognition Benchmarkcited by 14
  7. 2024Prompt-Singer: Controllable Singing-Voice-Synthesis with Natural Language Promptcited by 12
  8. 2022Disentangleing Content and Fine-grained Prosody Information via Hybrid ASR Bottleneck Features for Voice Conversioncited by 9
  9. 2024MSR-86K: An Evolving, Multilingual Corpus with 86,300 Hours of Transcribed Audio for Speech Recognition Researchcited by 9
  10. 2025FLM-Audio: Natural Monologues Improves Native Full-Duplex Chatbots via Dual Trainingcited by 9
  11. 2021USTC-NELSLIP System Description for DIHARD-III Challengecited by 7
  12. 2022Hierarchical Softmax for End-to-End Low-resource Multilingual Speech Recognitioncited by 7
31 more
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  2. 2021Improving speech recognition models with small samples for air traffic control systemscited by 6
  3. 2021Intent Recognition and Unsupervised Slot Identification for Low Resourced Spoken Dialog Systemscited by 4
  4. 2022A Novel Speech-Driven Lip-Sync Model with CNN and LSTMcited by 3
  5. 2025Analyzing the relationships between pretraining language, phonetic, tonal, and speaker information in self-supervised speech modelscited by 3
  6. 2021Oriental Language Recognition (OLR) 2020: Summary and Analysiscited by 2
  7. 2022Pretraining Approaches for Spoken Language Recognition: TalTech Submission to the OLR 2021 Challengecited by 2
  8. 2022PERT: A New Solution to Pinyin to Character Conversion Taskcited by 2
  9. 2023Improved Factorized Neural Transducer Model For text-only Domain Adaptationcited by 2
  10. 2025CleanMel: Mel-Spectrogram Enhancement for Improving Both Speech Quality and ASRcited by 2
  11. 2025Inclusivity of AI Speech in Healthcare: A Decade Look Backcited by 2
  12. 2025FCPE: A Fast Context-based Pitch Estimation Modelcited by 2
  13. 2021Word-Free Spoken Language Understanding for Mandarin-Chinesecited by 1
  14. 2022Wideband Audio Waveform Evaluation Networks: Efficient, Accurate Estimation of Speech Qualitiescited by 1
  15. 2022Audio Deepfake Attribution: An Initial Dataset and Investigationcited by 1
  16. 2024Adversarial Data Augmentation for Robust Speaker Verificationcited by 1
  17. 2025Multi-Accent Mandarin Dry-Vocal Singing Dataset: Benchmark for Singing Accent Recognitioncited by 1
  18. 2021Full Attention Bidirectional Deep Learning Structure for Single Channel Speech Enhancementcited by 0
  19. 2021Exploring Teacher-Student Learning Approach for Multi-lingual Speech-to-Intent Classificationcited by 0
  20. 2022BERT-LID: Leveraging BERT to Improve Spoken Language Identificationcited by 0
  21. 2024Transducers with Pronunciation-aware Embeddings for Automatic Speech Recognitioncited by 0
  22. 2025Cross-lingual Embedding Clustering for Hierarchical Softmax in Low-Resource Multilingual Speech Recognitioncited by 0
  23. 2025PARCO: Phoneme-Augmented Robust Contextual ASR via Contrastive Entity Disambiguationcited by 0
  24. 2025E2E-VGuard: Adversarial Prevention for Production LLM-based End-To-End Speech Synthesiscited by 0
  25. 2026MiLorE-SSL: Scaling Multilingual Capabilities in Self-Supervised Models without Forgettingcited by 0
  26. 2026Lamer-SSL: Layer-aware Mixture of LoRA Experts for Continual Multilingual Expansion of Self-supervised Models without Forgettingcited by 0
  27. 2026Introducing MELI: the Mandarin-English Language Interview Corpuscited by 0
  28. 2026Speech-Driven End-to-End Language Discrimination towards Chinese Dialectscited by 0
  29. 2026X-AuT: Progressive Audio-Encoder Compression for Speech LLMs with Cross-Scale Distillationcited by 0
  30. 2026ToneCL: Contrastive Learning for Few-Shot Syllable-Level Tone Classificationcited by 0
  31. 2026Accent Analogy Guidance: More Speaker Similarity at Equal Accent in Cross-Lingual Voice Cloningcited by 0