mlsanityData to 7 Oct 2026

Opencpop: A High-Quality Open Source Chinese Popular Song Corpus for Singing Voice Synthesis

arXiv 2201.07429 ↗First posted 19 Jan 2022cs.SD cs.DB eess.AScited by 53

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Abstract (arXiv)

This paper introduces Opencpop, a publicly available high-quality Mandarin singing corpus designed for singing voice synthesis (SVS). The corpus consists of 100 popular Mandarin songs performed by a female professional singer. Audio files are recorded with studio quality at a sampling rate of 44,100 Hz and the corresponding lyrics and musical scores are provided. All singing recordings have been phonetically annotated with phoneme boundaries and syllable (note) boundaries. To demonstrate the reliability of the released data and to provide a baseline for future research, we built baseline deep neural network-based SVS models and evaluated them with both objective metrics and subjective mean opinion score (MOS) measure. Experimental results show that the best SVS model trained on our database achieves 3.70 MOS, indicating the reliability of the provided corpus. Opencpop is released to the open-source community WeNet, and the corpus, as well as synthesized demos, can be found on the project homepage.

Key facts. Cited by 53 papers in the map (data through 7 Oct 2026). First posted on arXiv 19 Jan 2022.

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Citing papers per year: 2022: 2; 2023: 10; 2024: 16; 2025: 16; 2026: 9.

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  1. 2026Qwen3.5-Omni Technical Reportcited by 146
  2. 2023CoMoSpeech: One-Step Speech and Singing Voice Synthesis via Consistency Modelcited by 44
  3. 2024GTSinger: A Global Multi-Technique Singing Corpus with Realistic Music Scores for All Singing Taskscited by 29
  4. 2023Make-A-Voice: Unified Voice Synthesis With Discrete Representationcited by 27
  5. 2023The Singing Voice Conversion Challenge 2023cited by 25
  6. 2025AnyEnhance: A Unified Generative Model with Prompt-Guidance and Self-Critic for Voice Enhancementcited by 23
  7. 2024Text-to-Song: Towards Controllable Music Generation Incorporating Vocals and Accompanimentcited by 13
  8. 2023RMSSinger: Realistic-Music-Score based Singing Voice Synthesiscited by 12
  9. 2023FSD: An Initial Chinese Dataset for Fake Song Detectioncited by 12
  10. 2024Prompt-Singer: Controllable Singing-Voice-Synthesis with Natural Language Promptcited by 12
  11. 2024A Diffusion-Based Generative Equalizer for Music Restorationcited by 12
  12. 2024Unsupervised Blind Joint Dereverberation and Room Acoustics Estimation with Diffusion Modelscited by 11
38 more
  1. 2023Findings of the 2023 ML-SUPERB Challenge: Pre-Training and Evaluation over More Languages and Beyondcited by 10
  2. 2024SongComposer: A Large Language Model for Lyric and Melody Generation in Song Compositioncited by 9
  3. 2024RFWave: Multi-band Rectified Flow for Audio Waveform Reconstructioncited by 9
  4. 2024Accompanied Singing Voice Synthesis with Fully Text-controlled Melodycited by 9
  5. 2022WeSinger: Data-augmented Singing Voice Synthesis with Auxiliary Lossescited by 7
  6. 2024RapVerse: Coherent Vocals and Whole-Body Motions Generations from Textcited by 7
  7. 2025SingMOS-Pro: An Comprehensive Benchmark for Singing Quality Assessmentcited by 7
  8. 2023Zero-Shot Duet Singing Voices Separation with Diffusion Modelscited by 6
  9. 2024Lyrics Transcription for Humans: A Readability-Aware Benchmarkcited by 5
  10. 2025TCSinger 2: Customizable Multilingual Zero-shot Singing Voice Synthesiscited by 5
  11. 2025Generative Audio Language Modeling with Continuous-valued Tokens and Masked Next-Token Predictioncited by 5
  12. 2025UniFlow-Audio: Unified Flow Matching for Audio Generation from Omni-Modalitiescited by 5
  13. 2025YingMusic-Singer: Zero-shot Singing Voice Synthesis and Editing with Annotation-free Melody Guidancecited by 5
  14. 2023Towards Improving the Expressiveness of Singing Voice Synthesis with BERT Derived Semantic Informationcited by 4
  15. 2022SingAug: Data Augmentation for Singing Voice Synthesis with Cycle-consistent Training Strategycited by 3
  16. 2024SiFiSinger: A High-Fidelity End-to-End Singing Voice Synthesizer based on Source-filter Modelcited by 3
  17. 2025CoMelSinger: Discrete Token-Based Zero-Shot Singing Synthesis With Structured Melody Control and Guidancecited by 3
  18. 2025From Inpainting to Editing: Unlocking Robust Mask-Free Visual Dubbing via Generative Bootstrappingcited by 3
  19. 2026SoulX-Singer: Towards High-Quality Zero-Shot Singing Voice Synthesiscited by 3
  20. 2026AT-ADD: All-Type Audio Deepfake Detection Challenge Evaluation Plancited by 3
  21. 2023A Comparative Study of Voice Conversion Models with Large-Scale Speech and Singing Data: The T13 Systems for the Singing Voice Conversion Challenge 2023cited by 2
  22. 2024SingVisio: Visual Analytics of Diffusion Model for Singing Voice Conversioncited by 2
  23. 2024SVDD Challenge 2024: A Singing Voice Deepfake Detection Challenge Evaluation Plancited by 2
  24. 2024RDSinger: Reference-based Diffusion Network for Singing Voice Synthesiscited by 2
  25. 2025YingMusic-SVC: Real-World Robust Zero-Shot Singing Voice Conversion with Flow-GRPO and Singing-Specific Inductive Biasescited by 2
  26. 2024The X-LANCE Technical Report for Interspeech 2024 Speech Processing Using Discrete Speech Unit Challengecited by 1
  27. 2025Singing Voice Conversion with Accompaniment Using Self-Supervised Representation-Based Melody Featurescited by 1
  28. 2025SmoothSinger: A Conditional Diffusion Model for Singing Voice Synthesis with Multi-Resolution Architecturecited by 1
  29. 2025R2-SVC: Towards Real-World Robust and Expressive Zero-shot Singing Voice Conversioncited by 1
  30. 2025Multi-Accent Mandarin Dry-Vocal Singing Dataset: Benchmark for Singing Accent Recognitioncited by 1
  31. 2026FireRedAudio: A General-Purpose Audio Language Model with Decoupled Continuous Representations for Understanding and Generationcited by 1
  32. 2023Enhancing the vocal range of single-speaker singing voice synthesis with melody-unsupervised pre-trainingcited by 0
  33. 2024S2Cap: A Benchmark and a Baseline for Singing Style Captioningcited by 0
  34. 2025Audio-FLAN: An Instruction-Following Dataset for Unified Audio Understanding and Generation of Speech, Music, and Soundcited by 0
  35. 2025Protecting Your Voice: Temporal-aware Robust Watermarkingcited by 0
  36. 2025LAPS-Diff: A Diffusion-Based Framework for Singing Voice Synthesis With Language Aware Prosody-Style Guided Learningcited by 0
  37. 2026Mitigating Latent Mismatch in cVAE-Based Singing Voice Synthesis via Flow Matchingcited by 0
  38. 2026SongSong: A Time Phonograph for Chinese SongCi Music from Thousand of Years Awaycited by 0

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