# Tadabur
A large-scale Quran audio dataset featuring ... reciters and word-level alignment — built for Arabic speech research.
[](https://arxiv.org/abs/2604.18932)
[](https://huggingface.co/datasets/FaisaI/tadabur)
[](https://huggingface.co/FaisaI)
[](https://creativecommons.org/licenses/by-nc/4.0/)
---
## Overview
Tadabur covers the entire Qur’an with automatic word-level timestamp alignment and structured JSON metadata for each file. It is the largest and most diverse publicly available Qur’anic speech dataset.
| | |
|:---|:---|
| 🕐 Audio | 1400+ hours |
| 🎙️ Reciters | 600+ |
| 🔗 Alignment | Word-level timestamps |
---
## Dataset Structure
Each example contains an audio file and a JSON metadata file:
```json
{
"reciter_id": 88,
"surah_id": 3,
"ayah_id": 82,
"word_alignments": [
{
"word": "أفلا",
"start": 0.089,
"end": 0.87
},
...
],
"text_ar_simple": "افلا يتدبرون القران ولو كان من عند غير الله لوجدوا فيه اختلافا كثيرا",
"text_ar_uthmani": "أَفَلَا يَتَدَبَّرُونَ ٱلْقُرْءَانَ ۚ وَلَوْ كَانَ مِنْ عِندِ غَيْرِ ٱللَّهِ لَوَجَدُوا۟ فِيهِ ٱخْتِلَـٰفًا كَثِيرًا",
"ayah_duration_s": 10.9,
"audio_filename": "tadabur_spk0088_S3_A82_db1f8e71_000003.wav"
}
```
---
## Models
| Model | Type | Status | Link |
|:---|:---|:---:|:---|
| **Tadabur-Whisper-Small** | Qur'anic ASR | ✅ Available | [🤗 HuggingFace](https://huggingface.co/FaisaI/tadabur-Whisper-Small) |
| **Tadabur-Embedding** | Audio Embeddings | ✅ Available | [🤗 HuggingFace](https://huggingface.co/FaisaI/tadabur-embedding) |
---
l Citation
```bibtex
@misc{alherran2026tadabur,
author = {Alherran, Faisal},
title = {Tadabur: A Large-Scale Quran Audio Dataset},
year = {2026},
eprint = {2604.18932},
archivePrefix = {arXiv},
primaryClass = {cs.SD},
doi = {10.48550/arXiv.2604.18932},
url = {https://arxiv.org/abs/2604.18932}
}
```
---
## Contact
For questions or collaboration, feel free to reach out on [LinkedIn](https://www.linkedin.com/in/faisal-alherran-caie/).
Released under CC BY-NC 4.0 · For research and educational use only · Please engage with Qur'anic content respectfully.