HumynLabs/Indic-High-Fidelity-ASR

Indic Conversational ASR Dataset

📌 Dataset Overview

This dataset contains high-quality audio samples curated for Automatic Speech Recognition (ASR) tasks.

The recordings are optimized for speech recognition and are provided with:

• Sampling Rate: 16 kHz – 24 kHz
• Bit Depth: 16-bit
• Audio Type: Non-scripted conversational speech
• Format: Dual-speaker conversations

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🌏 Supported Languages & Variants

Telugu	Kannada	Malayalam	Bengali (IN – Kolkata)	Bengali (IN – Non-Kolkata)
Bengali (BD)	Assamese	Odia	Gujarati	Marathi
Tamil	Tamilish	Hinglish	Marvadi	Chhattisgarhi

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👥 Speaker Representation

• Dual-speaker conversational recordings
• Natural, spontaneous speech
• Female speaker representation: ~20%–30%

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🛠 Dataset Creation Methodology

📥 Data Collection

Speech data was collected through micro-communities across India and neighboring regions, spanning:

• Tier 1 cities
• Tier 2 cities
• Tier 3 cities

This approach ensured:

• Linguistic diversity
• Regional accent coverage
• Authentic conversational patterns

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🎙 Recording Setup

• Non-scripted, dual-speaker conversations
• Duration: 10–30 minutes per recording
• Topics include:
  • Business
  • Finance
  • Politics
  • Daily-life discussions

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✅ Quality Validation

All audio samples underwent automated and manual validation.

🔍 Automated Checks

SRMR • SIGMOS • VQScore • WVMOS

Evaluated: Signal quality, perceptual clarity, speech intelligibility.

👥 Human Review

Ensured conversational naturalness, audio clarity, and ASR suitability.

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🎯 Dataset Intended Purpose

✔️ Intended Uses

This dataset is designed for:

• Training and fine-tuning Automatic Speech Recognition (ASR) models
• Benchmarking conversational ASR systems
• Code-mixed speech recognition research
• Speaker turn detection and interruption modeling
• Informal and spontaneous speech modeling
• Emotion recognition research
• Speaker interaction analysis
• Conversational AI research
• Academic and open-source research for low-resource Indic languages

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🚫 Out-of-Scope Uses

This dataset is not intended for:

• Real-time, safety-critical, or production-grade systems without additional validation
• Commercial deployment without proper attribution and compliance with CC BY 4.0
• Medical, clinical, legal, or diagnostic decision-making applications

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📜 License

This dataset is released under the Creative Commons Attribution 4.0 International (CC BY 4.0) license.

📬 Contact

For queries regarding this dataset, please reach out to:

[arunabh@humynlabs.ai]

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