Common Voice Scripted Speech 23.0 - Dutch

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License:

CC0-1.0

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Steward:

Common Voice

Task: ASR

Release Date: 9/15/2025

Format: MP3

Size: 3.10 GB


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Description

A collection of scripted spoken phrases in Dutch.

Considerations

Restrictions/Special Constraints

You agree that you will not re-host or re-share this dataset

Forbidden Usage

You agree not to attempt to determine the identity of speakers in the Common Voice dataset

Processes

Intended Use

This dataset is intended to be used for training and evaluating automatic speech recognition (ASR) models. It may also be used for applications relating to computer-aided language learning (CALL) and language or heritage revitalisation.

Metadata

Nederlands — Dutch (nl)

This datasheet has been generated automatically, we would love to include more information, if you would like to help out, get in touch!

This datasheet is for version 23.0 of the the Mozilla Common Voice Scripted Speech dataset for Dutch (nl). The dataset contains 113673 clips representing 138 hours of recorded speech (123 hours validated) from 1861 speakers.

Demographic information

The dataset includes the following distribution of age and gender.

Gender

Self-declared gender information, percentage refers to the number of clips annotated with this gender.

GenderPertentage
Undefined39.0%
Male Masculine51.0%
Female Feminine10.0%

Age

Self-declared age information, percentage refers to the number of clips annotated with this age band.

Age BandPercentage
Undefined37.0%
Twenties18.0%
Thirties12.0%
Teens2.0%
Fourties18.0%
Fifties11.0%
Sixties2.0%

Data splits for modelling

The official data splits for modelling this language are as follows. Of the validated clips, 67.96% are included in the splits.

SplitCount
Train45756
Test12201
Dev12183

Text corpus

The text corpus contains 270368 sentences, of which 260504 are validated, 9864 are invalidated and 400 are reported.

Sample

There follows a randomly selected sample of five sentences from the corpus.

Het stimuleert ook de hersenen.
Dat is wat wij momenteel doen.
De hele zaak is één grote vicieuze cirkel.
De politieke en bestuurlijke procedures moeten in de toekomst zeer zeker gestroomlijnd worden.
De situatie is in onze ogen niet wezenlijk verbeterd.

Text domains

DomainCount
Undefined113118
Agriculture Food10
Automotive Transport21
Finance6
General218
Healthcare55
History Law Government47
Language Fundamentals169
Media Entertainment2
Nature Environment53
News Current Affairs2
Technology Robotics4

Fields

Each row of a tsv file represents a single audio clip, and contains the following information:

  • client_id - hashed UUID of a given user

  • path - relative path of the audio file

  • text - supposed transcription of the audio

  • up_votes - number of people who said audio matches the text

  • down_votes - number of people who said audio does not match text

  • age - age of the speaker1

  • gender - gender of the speaker1

  • accent - accent of the speaker1

  • segment - if sentence belongs to a custom dataset segment, it will be listed here

Community links

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Licence

This dataset is released under the Creative Commons Zero (CC-0) licence. By downloading this data you agree to not determine the identity of speakers in the dataset.

Footnotes

  1. For a full list of age, gender, and accent options, see the demograpics spec. These will only be reported if the speaker opted in to provide that information. 2 3