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License:
CC0-1.0
Steward:
Common Voice
Task: ASR
Release Date: 12/5/2025
Format: MP3
Size: 193.77 MB
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A collection of spontaneous spoken phrases in Kelabit.
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.
kzi)This datasheet is for version 2.0 of the the Mozilla Common Voice Spontaneous Speech dataset
for Kelabit (kzi). The dataset contains 1717 clips representing 10 hours of recorded
speech (1 hours validated) from 21 speakers.
Kelabit is an Austronesian language in the Apo Duat subgroup. It is spoken by the Kelabit people and is indigenous to Sarawak, Malaysia and North Kalimantan, Indonesia.
| Split | Count |
|---|---|
| Train | 1094 |
| Test | 408 |
| Dev | 287 |
Prompts: 120
Duration: 9:50:59 [h:m:s]
Avg. Transcription Len: 190
Avg. Duration: 20.65[s]
Valid Duration: 812.34[s]
Total hours: 9.85[h]
Valid hours: 0.23[h]
The Kelabit writing system is based on the Latin alphabet.
a e i o u
aa ee ii oo uu
b bp c d dt g gk h j k l m n ng p r s t w y ʼ
There follows a randomly selected sample of questions used in the corpus.
Tulu iko la me’ raut, ngipeh iko pian lem ruma atau ngi luar ruma? Kadi ngudeh?
Kapeh ideh lun merar ngejar/nebada anakadi lem bawang/rang muyuh?
Iye’ nuk mileh lukis lem bawang muyuh nuk iko doo pian?
Tu’en iko mala/mada, nun tibu/bua/pade nuk pengah sah nibu ngan nuk pengah rayeh/laak/sahranih?
Nun a’it ngi bawang iko nuk kenap idih naru tusah ngan muyuh?
There follows a randomly selected sample of transcribed responses from the corpus.
Doo' piyah keduih rait ngi luar ih tah narih doo' inan pana narih mirat. Mo ngi luar teh doo'. Kerab teh iko niat nuk doo'-doo' teh beruh.
Lun merar kamih nebada' anak adi' maya' Ao, Bukuh Ago. Kineh ideh nebada' anak adi'.
Mo pasal sistem printah nuuh kai nih tuseh keriit lah 'am tidih doo' tuuh kadi' lat ngilad dih naem doo' mimang ideh la' naru kai nuk tusah nih ngiyuk kai tusah lah. Kayu' pasal tana nih. Mileh-mileh nideh naru' dih baken.
Tibu nuk [err] narih nibu paad-paad ideh inan bua' kayu' ineh bua' kiran, bua' datu', bua' lengaat mey bua' langsat kayu' ineh. Neh tibu nuk [err] pengeh narih neh nibu dih.
Mula' naan teh ait ngen tauh kinih. Luk pelaba biasa ngi ruma tauh mait uluh nideh mait keted, mait aleb ngen lun merar dih. Anak adi' iih pelaba mai batek nidah. Mula' naan ait tauh kinih. Kadi' nah tauh perlu may Ruma' Sakit nabat.
The questions use the ’ character, while the responses use the ' character instead. These characters should be treated as equivalent.
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
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.
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