Common Voice Spontaneous Speech 2.0 - Bukusu

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License:

CC0-1.0

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Steward:

Common Voice

Task: ASR

Release Date: 12/5/2025

Format: MP3

Size: 258.53 MB


Description

A collection of spontaneous spoken phrases in Bukusu.

Considerations

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

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

Bukusu — Bukusu (bxk)

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 2.0 of the the Mozilla Common Voice Spontaneous Speech dataset for Bukusu (bxk). The dataset contains 2934 clips representing 14 hours of recorded speech (11 hours validated) from 27 speakers.

Data splits for modelling

SplitCount
Train1350
Test355
Dev354

Transcriptions

  • Prompts: 120

  • Duration: 13:53:17 [h:m:s]

  • Avg. Transcription Len: 159

  • Avg. Duration: 17.04[s]

  • Valid Duration: 36135.108[s]

  • Total hours: 13.89[h]

  • Valid hours: 10.04[h]

Samples

Questions

There follows a randomly selected sample of questions used in the corpus.

Bulayi siina esi tsisacco nende kamatuli kebalimi bakholanga mukhu rera kimilimo khushalo?
Buwangafu sii bwesi bandu babiramo tsisiku tsefula?
Bandu bebashsnga barye nga omwana omukhana afwarire elongi khushalo?
Babami bakhola sii khubona nga khushalo khumiliya?
Mukholanga murye nga efula siyapile taa khumala embuka endeyi?
Responses

There follows a randomly selected sample of transcribed responses from the corpus.

Barera ekasii ambi sana nebabandu lundi barera aa! bandu khuwambanila alala bakhola sindu silala lundi bandu babanebindu! bifuna byaba bikali sana khubindu byesi bakhola.
butinyu bwesi bandu banyolanga mufula ebechanga husambula chinjju nendee kimitaro hulya kimikunda
Babana abe bandu bebasya bubi nabi omwana omukhana nga kafwarire elongi khusyalo, chisambo sechiba chindayi taa ate bolana khumulanga bari fwana ali malaya.
Babami bakanibwa bapilila bekhusyalo, nesyaba silayi mungeli indi barawo kamalaka kakafuka babandu bekhusyalo esyo nebaba nga banyalisya khulinda sisyalo syabwe syaba similiyu.
Efula nga seyapilenga khumala embuka endeyi taa, khulimanga kimikunda nga khwirekekhela khubyala kamayindi, kamakanda yani bilimwa bye khulya.

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

  • audio_id - numeric id for audio file

  • audio_file - audio file name

  • duration_ms - duration of audio in milliseconds

  • prompt_id - numeric id for prompt

  • prompt - question for user

  • transcription - transcription of the audio response

  • votes - number of people that who approved a given transcript

  • age - age of the speaker1

  • gender - gender of the speaker1

  • language - language name

  • split - for data modelling, which subset of the data does this clip pertain to

  • char_per_sec - how many characters of transcription per second of audio

  • quality_tags - some automated assessment of the transcription--audio pair, separated by |

    • transcription-length - character per second under 3 characters per second

    • speech-rate - characters per second over 30 characters per second

    • short-audio - audio length under 2 seconds

    • long-audio - audio length over 30 seconds

Get involved!

Community links

Contribute

Acknowledgements

Funding

This dataset was partially funded by the Open Multilingual Speech Fund managed by Mozilla Common Voice.

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 demographics spec. These will only be reported if the speaker opted in to provide that information. 2