Datasets:

LocalDoc
/

azerbaijani_asr

license: cc-by-4.0
task_categories:
  - automatic-speech-recognition
language:
  - az
tags:
  - speech
  - audio
  - azerbaijani
  - asr
size_categories:
  - 100K<n<1M
pretty_name: Azerbaijani ASR Dataset
configs:
  - config_name: default
    data_files:
      - split: train
        path: data/train-*
dataset_info:
  features:
    - name: audio
      dtype: audio
    - name: text
      dtype: string
    - name: duration
      dtype: float64
    - name: audio_file
      dtype: string
  splits:
    - name: train
      num_bytes: 37972901685.267525
      num_examples: 345643
  download_size: 37922343852
  dataset_size: 37972901685.267525

Azerbaijani ASR Dataset

Dataset Description

This dataset contains Azerbaijani speech data for Automatic Speech Recognition (ASR) tasks.

Dataset Summary

Language: Azerbaijani (az)
Task: Automatic Speech Recognition
Total Duration: ~328 hours
Total Samples: ~345,643 audio-text pairs
Audio Format: WAV, 16kHz sampling rate
License: CC-BY-4.0

Dataset Structure

Each audio segment is specially numbered so that you can merge them if you need to create longer segments.

DatasetDict({
    train: Dataset({
        features: ['audio', 'text', 'duration', 'audio_file'],
        num_rows: [total_samples]
    })
})

Features

audio: Audio file (WAV format, 16kHz)
text: Transcription of the audio (Azerbaijani text)
duration: Duration of audio clip in seconds
audio_file: Original filename of the audio segment

Usage

from datasets import load_dataset

# Load the dataset
dataset = load_dataset("LocalDoc/azerbaijani_asr")

# Access train split
train_dataset = dataset["train"]

# Example usage
for example in train_dataset:
    audio = example["audio"]
    text = example["text"]
    duration = example["duration"]

Duration Distribution

0-2 sec: 36.1%
2-5 sec: 47.2%
5-10 sec: 14.6%
10-20 sec: 2.0%
20+ sec: 0.1%

Use Cases

Fine-tuning Whisper models for Azerbaijani
Training new ASR models for Azerbaijani language
Benchmarking ASR performance on Azerbaijani

Citation

If you use this dataset, please cite:

@dataset{azerbaijani_asr_2025,
  title={Azerbaijani ASR Dataset},
  author={LocalDoc},
  year={2025},
  url={https://huggingface.co/datasets/LocalDoc/azerbaijani_asr}
}