Restricted to NPL1.2 and the Quran Lab team
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This dataset is available only to NPL1.2 and the internal Quran Lab team. Requests from anyone else are declined.
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Quran Lab Arabic Speech
Broad Arabic speech for next-generation ASR, built from 50,000+ hours of recordings.
Access is restricted to NPL1.2 and the internal Quran Lab team.
Contents
- Broad Arabic speech in segments of 2 to 20 seconds, cut at natural pauses (silences of 1.5 s or longer are removed), sized for CTC/transducer training and for LLM transcription.
- Audio is 48 kHz Opus, exactly as the source streamed it (never re-encoded).
- Full provenance on every segment: source video, channel, title and the segment's position in the original recording.
Schema
| column | description |
|---|---|
audio |
the segment, Ogg Opus |
segment_id |
<video_id>_<index> |
video_id, segment_index |
source recording and the segment's order in it |
start_s, end_s, duration_s |
position in the original recording |
pool |
content category |
title, channel_id, channel_name, upload_date, url |
source |
video_duration_s |
length of the original recording |
quran_score, lid_ar |
automatic content scores |
Recording metadata
metadata/recordings.parquet has one row per source recording (join on video_id): source, duration, the cleaning
scores, the shard holding its segments, and dup_of. The same recording is often uploaded by several channels;
dup_of names the copy to keep, so rows where it is set can be skipped to avoid training on the same audio twice.
Loading
from datasets import load_dataset
ds = load_dataset("Muno459/QuranLab-Arabic-Speech", split="train", streaming=True)
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