Igbo Speech Dataset
Igbo speech recordings with matching transcriptions, covering everyday, agriculture, finance and health topics.
Considerations
Dataset status
This dataset is under active development and not yet final. Releases, corrections, and updates will continue through November 2025. Users should regularly check this repository for the latest versions and documentation.
For attribution, benchmarking, or publications:
- Always cite the latest available version (as of November 2025 or later).
- Do not use or benchmark against older or incomplete releases.
- Reference the current documentation provided in this repository.
We appreciate your patience and collaboration as we continue to expand and refine this resource.
Splits
| Split | Samples | Audio | Speakers | Size |
|---|---|---|---|---|
| Train | 127,193 | 428.3 hrs | 447 | 160.3 GB |
| Dev | 5,569 | 19.4 hrs | 26 | 7.6 GB |
| Dev test | 6,945 | 29.4 hrs | 26 | 12.0 GB |
| Total | 139,707 | 477.1 hrs | 499 | 179.8 GB |
Breakdown
Gender Distribution
Male Voicings
40,088
28.7% of total
Unique Speakers
155
Female Voicings
99,619
71.3% of total
Unique Speakers
344
Balance
Domain Distribution
Everyday Conversation
109,652
78.5% of total
Agriculture Conversation
20,090
14.4% of total
Finance (Business and Money Conversation)
8,937
6.4% of total
Health Conversation
1,028
0.7% of total