Release Date: 7/21/2026
Format: MP3, TSV
Size: 132.43 MB
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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 Flemish 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:
{Leuvens Nederlands,
Brussels Nederlands,
Vlaams,
Belgisch Nederlands,
Frans Nederlands,
Antwerps,
Oost-Vlaams,
Antwerps Nederlands / Belgish,
west-vlaams}
The resulting dataset includes 1,540 clips in the training set, 1,631 clips in the dev set, and 1,141 clips in the test set, totaling approximately 5 hours, 51 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 | 11 | 1% | 393 | 24% | 297 | 26% |
| Male Masculine | 1,529 | 99% | 1,129 | 69% | 724 | 63% |
| Female Feminine | 0 | 0% | 109 | 7% | 120 | 11% |
| Total | 1,540 | 100% | 1,631 | 100% | 1,141 | 100% |
| Category | Train (n) | Train (%) | Dev (n) | Dev (%) | Test (n) | Test (%) |
|---|---|---|---|---|---|---|
| Not Specified | 11 | 1% | 157 | 10% | 223 | 20% |
| Teens | 0 | 0% | 47 | 3% | 9 | 1% |
| Twenties | 4 | 0% | 806 | 49% | 489 | 43% |
| Thirties | 214 | 14% | 469 | 29% | 300 | 26% |
| Fourties | 1,311 | 85% | 32 | 2% | 102 | 9% |
| Fifties | 0 | 0% | 70 | 4% | 18 | 2% |
| Sixties | 0 | 0% | 50 | 3% | 0 | 0% |
| Total | 1,540 | 100% | 1,631 | 100% | 1,141 | 100% |