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DiDiSpeech: A Large Scale Mandarin Speech Corpus

arXiv 2010.09275 ↗First posted 19 Oct 2020eess.AScited by 33

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Abstract (arXiv)

This paper introduces a new open-sourced Mandarin speech corpus, called DiDiSpeech. It consists of about 800 hours of speech data at 48kHz sampling rate from 6000 speakers and the corresponding texts. All speech data in the corpus is recorded in quiet environment and is suitable for various speech processing tasks, such as voice conversion, multi-speaker text-to-speech and automatic speech recognition. We conduct experiments with multiple speech tasks and evaluate the performance, showing that it is promising to use the corpus for both academic research and practical application. The corpus is available at https://outreach.didichuxing.com/research/opendata/.

Key facts. Cited by 33 papers in the map (data through 14 Oct 2026). First posted on arXiv 19 Oct 2020.

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Citing papers per year: 2021: 4; 2022: 1; 2023: 0; 2024: 6; 2025: 12; 2026: 10.

33 papers.

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  1. 2024F5-TTS: A Fairytaler that Fakes Fluent and Faithful Speech with Flow Matchingcited by 361
  2. 2021A Survey on Neural Speech Synthesiscited by 184
  3. 2024MaskGCT: Zero-Shot Text-to-Speech with Masked Generative Codec Transformercited by 161
  4. 2025IndexTTS2: A Breakthrough in Emotionally Expressive and Duration-Controlled Auto-Regressive Zero-Shot Text-to-Speechcited by 90
  5. 2025DiTAR: Diffusion Transformer Autoregressive Modeling for Speech Generationcited by 57
  6. 2025ZipVoice: Fast and High-Quality Zero-Shot Text-to-Speech with Flow Matchingcited by 30
  7. 2021EMOVIE: A Mandarin Emotion Speech Dataset with a Simple Emotional Text-to-Speech Modelcited by 18
  8. 2021Wav-BERT: Cooperative Acoustic and Linguistic Representation Learning for Low-Resource Speech Recognitioncited by 16
  9. 2025TaDiCodec: Text-aware Diffusion Speech Tokenizer for Speech Language Modelingcited by 13
  10. 2024Prompt-Singer: Controllable Singing-Voice-Synthesis with Natural Language Promptcited by 12
  11. 2024TouchTTS: An Embarrassingly Simple TTS Framework that Everyone Can Touchcited by 10
  12. 2025Pseudo-Autoregressive Neural Codec Language Models for Efficient Zero-Shot Text-to-Speech Synthesiscited by 10
21 more
  1. 2025DMOSpeech 2: Reinforcement Learning for Duration Prediction in Metric-Optimized Speech Synthesiscited by 8
  2. 2021Review of end-to-end speech synthesis technology based on deep learningcited by 6
  3. 2026IndexTTS 2.5 Technical Reportcited by 6
  4. 2025Voice Cloning: Comprehensive Surveycited by 4
  5. 2025Direct Preference Optimization for Speech Autoregressive Diffusion Modelscited by 4
  6. 2024Bailing-TTS: Chinese Dialectal Speech Synthesis Towards Human-like Spontaneous Representationcited by 3
  7. 2025VoiceCraft-X: Unifying Multilingual, Voice-Cloning Speech Synthesis and Speech Editingcited by 3
  8. 2024The NPU-HWC System for the ISCSLP 2024 Inspirational and Convincing Audio Generation Challengecited by 2
  9. 2025A Semantic Information-based Hierarchical Speech Enhancement Method Using Factorized Codec and Diffusion Modelcited by 2
  10. 2026FireRedAudio: A General-Purpose Audio Language Model with Decoupled Continuous Representations for Understanding and Generationcited by 2
  11. 2022IMaSC -- ICFOSS Malayalam Speech Corpuscited by 1
  12. 2025Multi-Accent Mandarin Dry-Vocal Singing Dataset: Benchmark for Singing Accent Recognitioncited by 1
  13. 2026DSFlow: Dual Supervision and Step-Aware Architecture for One-Step Flow Matching Speech Synthesiscited by 1
  14. 2026WavTTS: Towards High-Quality Zero-Shot TTS via Direct Raw Waveform Modelingcited by 1
  15. 2025UL-UNAS: Ultra-Lightweight U-Nets for Real-Time Speech Enhancement via Network Architecture Searchcited by 0
  16. 2026PoDAR: Power-Disentangled Audio Representation for Generative Modelingcited by 0
  17. 2026ZONOS2 Technical Reportcited by 0
  18. 2026Faster IndexTTS-2: Accelerating and Streaming Autoregressive Zero-Shot Text-to-Speech Synthesis on GPUscited by 0
  19. 2026Stable Autoregressive Speech Generation with Low-Frame-Rate High-Dimensional Continuous Tokenscited by 0
  20. 2026Phoenix TTS: High-Fidelity Synthesis and Voice Conversion via Flow-Matching-Driven Speech Tokenizationcited by 0
  21. 2026A Harness for Synthesizing Diverse Naturalistic Full-Duplex Conversationscited by 0