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πŸ—£οΈ AISHELL6-Whisper

AISHELL6-Whisper is a large-scale open-source Chinese Mandarin audio-visual whisper speech dataset,
containing 30 hours each of whisper and parallel normal speech, with synchronized frontal RGB-D facial videos.


πŸ“˜ Dataset Summary

Property Description
Language Chinese (Mandarin, ZH)
License CC BY-NC-SA 4.0
Duration ~60 hours total (30 h whisper + 30 h normal)
Speakers 167 total (121 with RGB-D, 46 audio-only)
Environment Controlled studio recording
Sampling Rate 48 kHz
Video Resolution 1280 Γ— 720 @ 25 fps

πŸŽ™οΈ Dataset Description

πŸ›οΈ Recording Environment

The AISHELL6-Whisper corpus was collected in a controlled studio to ensure acoustic consistency between whisper and normal speech.

  • Speakers: 167 participants reading 10–20 minutes of unique poetry texts (no content overlap).
  • Modalities:
    • 121 speakers: high-fidelity audio + RGB-D video
    • 46 speakers: audio only
  • Speech styles: Whispered and normal speech, recorded in parallel sessions.

πŸ”Š Audio Specifications

  • Microphone: Neumann U87 single-channel condenser mic
  • Sampling rate: 48,000 Hz
  • Background noise level: < 20 dB (studio noise floor)
  • File format: .wav
  • Each recording contains paired whisper–normal utterances

πŸŽ₯ Video Specifications

  • Camera: RGB-D depth camera
  • Placement: 1 meter in front of the speaker
  • Resolution: 1280Γ—720 pixels
  • Frame rate: 25 fps
  • Includes frontal facial views synchronized with the audio.

πŸ“„ Dataset Resources


πŸ“œ Citation

If you use this dataset, please cite:

@article{li2025aishell6,
  title   = {AISHELL6-Whisper: A Chinese Mandarin Audio-Visual Whisper Speech Dataset with Speech Recognition Baselines},
  author  = {Li, Cancan and Su, Fei and Liu, Juan and Bu, Hui and Wan, Yulong and Suo, Hongbin and Li, Ming},
  journal = {arXiv preprint arXiv:2509.23833},
  year    = {2025}
}
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