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License:
CC0-1.0
Steward:
Common Voice
Task: ASR
Release Date: 12/5/2025
Format: MP3
Size: 251.61 MB
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A collection of scripted spoken phrases in Adja.
Forbidden Usage
It is forbidden to attempt to determine the identity of speakers in the common Voice datasets. It is forbidden to re-host or re-share this dataset
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.
ajg)This datasheet is for version 24.0 of the the Mozilla Common Voice Scripted Speech dataset
for Adja (ajg). The dataset contains 19398 clips representing 12.87 hours of recorded
speech (12.71 hours validated) from 23 speakers.
Adja (Aja) is a Gbe language spoken in Benin, Gabon, Ghana, Nigeria and Togo by 1M+ people. It is part of the Kwa branch of the Niger-Congo family. The language is used in daily communication, oral literature, and traditional expressions.
The dataset includes the following distribution of age and gender.
Self-declared gender information, percentage refers to the number of clips annotated with this gender.
| Gender | Percentage |
|---|---|
| Undefined | 100.0% |
Self-declared age information, percentage refers to the number of clips annotated with this age band.
| Age Band | Percentage |
|---|---|
| Undefined | 100.0% |
| Domain | Count |
|---|---|
| Undefined | 19398 |
Aja is a tonal language, typically with three level tones:
High (´)
Mid (unmarked)
Low (`)
The orthography used in this dataset aligns with conventions adopted by Aja linguists and educators, particularly those documented by AGOSSOU Kogbédji Émile, PhD, and Kansiwer, PhD. Minor regional variations are harmonized through community consensus.
a an b c d d e s en f g gb y h hw i in j k kp I m n ny n o 5 on p r s sh t u un v w x xw y z 3
AGOSSOU K., Le grand livre des proverbes aja, Azové, Éphphata, 2011 (primary source).
AGOSSOU K., Proverbes aja et hébreux : une étude littéraire, in Le Sycomore, 2014.
AGOSSOU K., L’emphase dans l’hébreu biblique : identification et méthodes de traduction en langue aja, in Mélanges en hommage au professeur BADA, 2022.
AGOSSOU K., La situation de la femme aja dans ses relations personnelles avec l’homme dans le mariage : l’égalité en question, in Mélanges en hommage au professeur HUANNOU, éd. Plumes Soleil, 2024.
In addition, the dataset includes sentences from:
Common perceptions and everyday life expressions collected during fieldwork.
Crowdsourced contributions supervised by the curators.
To get more information about this dataset and find out how you can contribute, please take a look at the following links.
Common Voice Aja (ajg) page (link to be activated when available)
Dr. Kogbédji Émile AGOSSOU (Université, PhD)
Dr. Kansiwer (PhD)
Justin Bakoubolo (PhD)
Justin Bakoubolo <justin.bakoubolo@umbaji.org> — supervised the compilation of the dataset.
Justin Bakoubolo <justin.bakoubolo@umbaji.org>
This dataset was partially funded by the Open Multilingual Speech Fund managed by Mozilla Common Voice.
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.