Release Date: 7/21/2026
Format: MP3, TSV
Size: 1.28 GB
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This dataset is a subset of the larger Dutch Mozilla Common Voice Scripted Speech 26.0 dataset. It contains only validated audio (at least one upvote and 0 downvotes) from users whose self-identified accent corresponds to Netherlands Dutch.
Restrictions/Special Constraints
NA
Forbidden Usage
You agree not to attempt to determine the identity of speakers in this dataset.
Intended Use
Speech technology; Linguistics research
This dataset was created by filtering the train, dev, and test files from the v26 Dutch Mozilla Common Voice Scripted Speech dataset with the following conditions:
the value of the up_votes field is a number greater than 0.
the value of the down_votes field is 0.
the value of the accents column is one of the following:
{Nederlands westfries,
Standaard,
Amsterdams,
Twents Nederlands,
Tweetalig (FY/NL),
Nederlands-Fries,
Nederlands met Texels accent,
zuid nederlands,
Fries is moedertaal,
Noord-Brabants stadsaccent,
Brabants Nederlands,
Nederlands Nederlands,
Dicht tegen ABN nagenoeg accentloos,
Brabants ,
Nederlands van Noord-Brabant,
geen accent, geen dialect,
Noord-Holland,
Algemeen Beschaafd Nederlands}
The resulting dataset includes 39,602 clips in the training set, 6,028 clips in the dev set, and 3,670 clips in the test set, totaling approximately 61 hours, 18 minutes of audio.
The dataset follows the Mozilla Common Voice format: The clips directory contains all of the .mp3 files, and there is a separate tsv file for each data partition, containing the following fields:
client_id
path
sentence_id
sentence
sentence_domain
up_votes
down_votes
age
gender
accents
variant
localesegment
| Category | Train (n) | Train (%) | Dev (n) | Dev (%) | Test (n) | Test (%) |
|---|---|---|---|---|---|---|
| Not Specified | 18,983 | 48% | 1,207 | 20% | 1,093 | 30% |
| Male Masculine | 17,905 | 45% | 3,766 | 62% | 2,021 | 55% |
| Female Feminine | 2,714 | 7% | 1,055 | 18% | 556 | 15% |
| Total | 39,602 | 100% | 6,028 | 100% | 3,670 | 100% |
| Category | Train (n) | Train (%) | Dev (n) | Dev (%) | Test (n) | Test (%) |
|---|---|---|---|---|---|---|
| Not Specified | 18,404 | 46% | 861 | 14% | 885 | 24% |
| Teens | 58 | 0% | 35 | 1% | 152 | 4% |
| Twenties | 3,909 | 10% | 1,807 | 30% | 1,294 | 35% |
| Thirties | 3,192 | 8% | 1,509 | 25% | 625 | 17% |
| Fourties | 11,548 | 29% | 744 | 12% | 342 | 9% |
| Fifties | 1,625 | 4% | 787 | 13% | 216 | 6% |
| Sixties | 866 | 2% | 238 | 4% | 124 | 3% |
| Seventies | 0 | 0% | 47 | 1% | 14 | 0% |
| Eighties | 0 | 0% | 0 | 0% | 13 | 0% |
| Nineties | 0 | 0% | 0 | 0% | 5 | 0% |
| Total | 39,602 | 100% | 6,028 | 100% | 3,670 | 100% |