Interspeech2026-Audio-Encoder-Challenge

20-Hour Non-speech Dataset from DataoceanAI

1. Dataset Overview

This dataset is constructed by extracting non-speech data from 8 original datasets, with a total duration of approximately 20 hours. It mainly contains environmental noise in various scenarios, suitable for research fields such as speech signal processing, noise suppression, and acoustic model training.

2. Dataset Composition

2.1 Overall Composition

• Total Duration: 20 hours
• Data Format: WAV format
• Sampling Rate: 16kHz, 44.1kHz, or 48kHz
• Bit Depth: 16bit
• Channels: 1 channel

2.2 Detailed Information of Each Original Dataset

King-ASR-457

• Contribution Duration: 2.46 hours
• Included Scenes:
• 1. BookStore: 0.615 hour
• 1. Gym: 0.615 hour
• 1. Subway: 0.615 hour
• 1. Restaurant: 0.615 hour
• Technical Features: recorded by mobil，pure scene environmental noise，PCM 44.1kHz/16bit

King-ASR-610

• Contribution Duration: 2.50 hours
• Included Scenes:
• 1. Home Background Noise-1m: 0.83 hour
• 1. Home Background Noise-2m: 0.83 hour
• 1. Home Background Noise-5m: 0.83 hour
• Technical Features: pure background noise, PCM 44.1kHz/16bit

King-ASR-719

• Contribution Duration: 2.40 hours
• Included Scenes:
• 1. Water Noise: 0.8 hour
• 1. Footstep Noise: 0.8 hour
• 1. Outdoor Window Noise: 0.8 hour
• Technical Features: recorded by Huawei mobile，pure non-speech interference, PCM 16kHz/16bit

King-ASR-829

• Contribution Duration: 2.50 hours
• Included Scenes:
• 1. Subway Car Noise-PEAK: 1.3 hour
• 1. Subway Car Noise-NON-PEAK: 1.3 hour
• Technical Features: pure noise segments，PCM 44.1kHz/16bit

King-ASR-862

• Contribution Duration: 2.50 hours
• Included Scenes:
• 1. CALL Howling: 0.83 hour
• 1. GAME Howling: 0.83 hour
• 1. LIVE Howling: 0.83 hour
• Technical Features: pure howling without speech, PCM 48kHz/16bit

King-ASR-876

• Contribution Duration: 2.50 hours
• Included Scenes:
• 1. OUT-CAR Parking Lot Noise: 0.83 hour
• 1. OUT-CAR Roadside Noise: 0.83 hour
• 1. OTHERS Underground Parking Lot Noise: 0.83 hour
• Technical Features: recorded by mobile, pure outdoor environmental noise, PCM 16kHz/16bit

King-ASR-955

• Contribution Duration: 2.50 hours
• Included Scenes:
• 1. Vehicle Mechanical Noise: 0.83 hour
• 1. Air Conditioning Running Noise: 0.83 hour
• 1. Car Window Open Wind Noise: 0.83 hour
• Technical Features: vehicle mechanical/environmental noise, PCM 48kHz/16bit

King-ASR-958

• Contribution Duration: 2.54 hours
• Included Scenes:
• 1. Cafe: 0.635 hour
• 1. Hospital: 0.635 hour
• 1. Market: 0.635 hour
• 1. Walking Street: 0.635 hour
• Technical Features: recorded by mobile, pure scene environmental noise, PCM 48kHz/16bit

3. Data Usage

This dataset can be widely used in the following research and application scenarios:

1. Training and testing of speech noise suppression algorithms
2. Construction of acoustic environment classification models
3. Optimization of anti-noise performance of speech recognition systems
4. Evaluation of audio signal processing algorithms
5. Improvement of environmental adaptability of human-computer interaction systems

4. Data Download Method

4.1 Download Process

1. Application Registration: Users who wish to obtain the dataset need to register first
2. Eligibility Review: Staff will review the registration information to confirm compliance with usage conditions
3. Obtain Link: After passing the review, staff will send the data download link via private message

4.2 Notes

• This dataset is for academic research and non-commercial use only
• Users must comply with the data usage agreement and shall not use it for commercial profit-making activities
• For commercial use, please contact the original data provider for authorization
• Please properly store the data after download to avoid secondary dissemination

5. Version Information

• Dataset Version: V1.0
• Release Date: 2024
• Data Update Record: First release, no update records yet

---

The final interpretation right of this description document belongs to the data provider