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License:
CC0-1.0
Steward:
Common VoiceDataset ID:
cmflnn481aorj8qct26iebj0s
Release Date: 9/15/2025
Format: MP3
Size: 472.16 MB
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A collection of scripted spoken phrases in Dagbani.
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
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.
dag)This datasheet is for version 23.0 of the the Mozilla Common Voice Scripted Speech dataset
for Dagbani (dag). The dataset contains 13 hours of recorded
speech (11 hours validated) from 46 speakers.
According to Ethnologue online, Dagbani is a stable indigenous language of Ghana. It belongs to the Niger-Congo language family.
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 | Pertentage |
|---|---|
| Undefined | 80.0% |
| Male Masculine | 2.0% |
| Female Feminine | 17.0% |
| Do Not Wish To Say | 1.0% |
Self-declared age information, percentage refers to the number of clips annotated with this age band.
| Age Band | Percentage |
|---|---|
| Undefined | 37.0% |
| Twenties | 38.0% |
| Thirties | 23.0% |
| Fourties | 1.0% |
The collection of sentence prompts used for read speech in the compilation of this dataset was scripted with in an alphabet that is mostly based on Latin characgers with some phonetic symbols such as ɣ, ʒ, ŋ, ɛ, and ɔ.
There follows a randomly selected sample of five sentences from the corpus.
A ni zaŋ paɣ’ so ti ma ni o be n san’ la
Saliya karibu dali nyɛla din mali di saha
Ŋunkam mi ti mali di duno’ yɔriti, o bidibiga ŋun nyɛ biasani ni kpi
O ŋmɛri bɔbili din nyaɣisira pari kom zuɣu o nyaaŋa
zaŋ ʒim ve yi dunoya zuɣusahi mini dunopaɣira
Automatic random samples
Taali ka ninvuɣu gbarima zuɣu.
O chaŋ nti kpihim banshi.
Puumaya nyɛla Gana bilichina ŋun ny siyaasa nira.
Bɛ ni ka a na ni sihiranima balibu kam, ni ŋun nyɛ baŋda na.
a golidi a daamiliya paɣa konko.
https://commonvoice.mozilla.org/dag/
The compilation of this dataset occured during data camp organized in Yaoundé (Cameroon) in September-October 2024. Two main contributors were involved in the localization of the MCV interface for Dagbani, gathering of the sentence prompts, reading sentence prompts, and validating recordings. They are :
Osman Mohammed Nndow
Hadja Natuusamata Abubakari
The organization of the data camp was conducted by a dynamic whose dedication is herewith acknowledged :
Eliette Emilie-Caroline Ngo Tjomb Assembe (Project Lead)
Dr. Florus Landry Dibenge
Blaise Mathieu Banoum Manguele
Blaise Abo Djoulde
Mathilde Nyambe A.
Brice Martial Atangana Eloundou
Jeff Sterling Ngami Kamagoua
José Mpuda Avom
Zacharie Nyobe
Emmanuel Giovanni Eloundou Eyenga
André Pascal Likwai
Emmanuel Ngue Um <>, Osman Mohammed Nndow mnindow@uds.edu.gh, Hadja Natuusamata Abubakari hadijaabubakari16@gmail.com.
Ngué Um E, Ngo Tjomb EEC, Dibengue FL, Banum Manguele BM, Abo Djoulde B, Nyambe MA, Atangana Eloundou BM, Ngami Kamagoua JS, Mpouda Avom J, Nyobe Z, Eloundou Eyenga EG, Likwai AP (2025) Speech Technologies Datasets for African Under-Served Languages. Proceedings of the Eight Workshop on the Use of Computational Methods in the Study of Endangered Languages, edited by Lachler J, Agyapong G, Arppe A, Moeller S, Chaudhary A, Rijhwani S, Rosenblum D. URL Association for Computational Linguistics (ACL).
The organization of the data camp that led to the compilation of this dataset was made possible by a grant by the Mozilla Foundation under the Opem Multingual Speech Fund (OMSF)
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.