Common Voice Scripted Speech 23.0 - Nawdm

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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: 205.72 MB


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Description

A collection of scripted spoken phrases in Nawdm.

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

Nawdem — Nawdm / Losso (nmz)

This datasheet is for the Mozilla Common Voice Scripted Speech dataset for Nawdem (nmz). The dataset contains 11.63 hours of recorded speech (collected, ongoing validation) from more than 35 recording endpoints, covering age ranges from twenties to seventies.

Language

Nawdm (also known as Nawdem, Losso, Losu, Naoudem) is a Gur language spoken in northern Togo and southern Ghana. It belongs to the Niger‑Congo family, under the Oti‑Volta subgroup. The language is used in daily communication, religious texts, poetry, oral tradition, and common expressions.

Writing system

Nawdm is a tonal language, with at least two level tones:

  • High tone: marked with an acute accent (á)

  • Low tone: marked with a grave accent (à)

Tone marking is not always used, typically reserved for pronouns, religious or formal texts.

Symbol table

Uppercase letters: A B D E Ɛ F G Gw Gb H Ĥ I J K Kw Kp L M N Ny Ŋ Ŋm O Ɔ R S T U V W Y

Lowercase letters: a b d e ɛ f g gw gb h ɦ i j k kw kp l m n ny ŋ ŋm o ɔ r s t u v w y

Sources

The dataset has been compiled from:

  • Religious texts and translations

  • Dictionaries of Nawdm

  • Common expressions collected from everyday life and fieldwork

Get involved!

To get more information about this dataset and find out how you can contribute, please take a look at the following links.

Community links

Contribute

Curators

  • Justin Bakoubolo

  • Guedela, PhD

Compiler / Coordinator

  • Justin Bakoubolo — supervised the compilation and coordination of the dataset.

Contact

Funding

This dataset was made possible by the Open Multilingual Speech Fund.

Licence

This dataset is released under the Creative Commons Zero (CC‑0) licence. By downloading this data, you agree not to identify individual speakers in the dataset.