Common Voice Spontaneous Speech 5.0 - Nubi

Nubi — Nubi (kcn)

This datasheet is for sps-corpus-5.0-2026-09-11 of the Mozilla Common Voice Spontaneous Speech dataset for Nubi [Nubi - kcn]. The dataset contains 2715 clips representing 13.96 hours of recorded speech (9.69 hours validated) from 26 speakers.

Data splits for modelling

The dataset clips are categorised by transcription status and training-set assignment. The following tables summarise the distribution.

Audio clips

Training splits

Training split coverage: 1,894 of 1,894 transcribed & validated clips (100.0%)

Transcriptions

Transcription status

Samples

Questions

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

1. Dor yatu ya walidein taki gi so fi awunu yal kutu taalim kun sokol ta awlan?
2. Dor yatu ya usra taki so fi dhaman gali anas wadin fi ummah kutu taalim sokol ta awlan?
3. Dor sunu ya kubarin ta diini so fi ummah taki?
4. Aina ta muwasalaat yatu yaa rakhis?
5. Ana agder so kefin fi ayan ta shahar bila ruwa fi Mushtashfa?

Responses

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

1. *Usra tai dami fi ligo fi taalim te anas namna ta dafa gurus ta madrasa,nanna te kutu maisha ta yal ke kun kwesi,wedi nomon afiya me kutu gudra ke omon rua fi madrasa *
2. De ,te awun tena,me nubia akwana kulu fogo wedede
3. Mahal tan de te gi ayin anas kun wasakan ,Kalam asede kan anas wasakan bes dudu gi ja,anas gi lesu jua ma,anas gi bes gai sambala ja lam ,bes anas gi gai sambala sambala lain kan anas gi kun nedif anas gi lesu jua,dudu nvunza bi kun ma na anas ya fi jede aju anas gai nedif ke lesu
4. Gi awun uwo fi namna bara bara ,taulan, biyo sokolna ab uwo endis te abidu mo,te tinin, te logo bakan ab nesiya uwo ab uwo bi soo fogo tijara to
5. *Ma teriga al gi kutu uwo,al murat,eh gi wedi yal fi,wedi yal fi madrasa kede yal de agara ,ah al ma endis guwa umma kede we ah,wedi omon fi madrasa,dafa nomon gurus kede mon agara, teriga tan kaman fi,ali yal gi agara namna ta tumiya ida tomon fi kefin,banat gi dofuru biris,gi gidu kuta,wele bi alim ras ga ida,ta kuruju,namna ta adulu,uh arabia,namna ta dugu matafali *

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 5 minutes
  • non-allowed-script - transcription contains characters from a writing system not associated with the language
  • mixed-script-words - a single word contains characters from multiple writing systems
  • mixed-script-transcription - transcription spans multiple writing systems, but each word consistently uses only one

Get involved

Community links

• Common Voice translators on Pontoon
• Common Voice Communities

Discussions

• Common Voice on Matrix
• Common Voice on Discourse
• Common Voice on Discord
• Common Voice on Telegram

Contribute

• Contribute questions
• Validate questions
• Answer questions
• Transcribe recordings
• Validate transcriptions

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