Common Voice Scripted Speech 25.0 - Interlingua

License:

CC0-1.0

Steward:

Common Voice

Task: ASR

Release Date: 3/22/2026

Format: MP3

Size: 402.31 MB

Description

A collection of read speech recordings in Interlingua (Interlingua).

Specifics

Licensing

Creative Commons Zero v1.0 Universal (CC0-1.0)

https://spdx.org/licenses/CC0-1.0.html

Considerations

Restrictions/Special Constraints

None provided.

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

Interlingua — Interlingua (`ia`)

This datasheet is for cv-corpus-25.0-2026-03-09 of the Mozilla Common Voice Scripted Speech dataset for Interlingua [Interlingua - ia]. The dataset contains 14770 clips representing 17.24 hours of recorded speech (14.26 hours validated) from 72 speakers, recorded from a text corpus of 9,213 sentences.

Language

Accents

Code	Accent	Clips	Speakers
-		15 (0.1%)	2 (2.8%)

Demographic information

The dataset includes the following self-declared age and gender distributions. A coverage summary is shown below each table.

Gender

Self-declared gender information. The table shows clip and speaker counts with percentages. Speakers who did not declare a gender are listed as Unspecified. A dash (-) indicates zero.

Code	Gender	Clips	Speakers
male_masculine	Male, masculine	9,033 (61.2%)	19 (26.4%)
female_feminine	Female, feminine	74 (0.5%)	3 (4.2%)
transgender	Transgender	-	-
non-binary	Non-binary	-	-
do_not_wish_to_say	Prefer not to say	1 (0.0%)	1 (1.4%)
-	Unspecified	5,662 (38.3%)	54 (75.0%)

Gender declared: 9,108 of 14,770 clips (61.7%), 18 of 72 speakers (25.0%)

Age

Self-declared age information. The table shows clip and speaker counts with percentages. Speakers who did not declare an age are listed as Unspecified. A dash (-) indicates zero.

Code	Age	Clips	Speakers
teens	Teens	36 (0.2%)	2 (2.8%)
twenties	Twenties	702 (4.8%)	7 (9.7%)
thirties	Thirties	286 (1.9%)	6 (8.3%)
fourties	Fourties	4,337 (29.4%)	2 (2.8%)
fifties	Fifties	420 (2.8%)	4 (5.6%)
sixties	Sixties	20 (0.1%)	1 (1.4%)
seventies	Seventies	3,307 (22.4%)	1 (1.4%)
eighties	Eighties	-	-
nineties	Nineties	-	-
-	Unspecified	5,662 (38.3%)	54 (75.0%)

Age declared: 9,108 of 14,770 clips (61.7%), 18 of 72 speakers (25.0%)

Data splits for modelling

Clip buckets

Bucket	Clips
Validated	12,221 (82.7%)
Invalidated	361 (2.4%)
Other	2,188 (14.8%)

Training splits

Split	Clips
Train	4,882 (39.9%)
Dev	1,897 (15.5%)
Test	1,896 (15.5%)

Training split coverage: 8,675 of 12,221 validated clips (71.0%)

The dataset contains 12221 validated, 361 invalidated, and 2188 unresolved clips. The average clip duration is 4.202 seconds.

Text corpus

Validated sentences: 9,069

Category	Count
Unvalidated sentences	144
Pending sentences	144
Rejected sentences	-
Reported sentences	274

The corpus contains 9,213 sentences: 9,069 validated and 144 unvalidated (144 pending review, 0 rejected), with 274 reported for review.

Sample

There follows a randomly selected sample of five sentences from the corpus.

Le linea aerodynamic del balenas es elegante.
Peter es sub le ducha.
Maximo pare culpabile.
Transmitter poteres a un persona.
Ille esseva includite in le contracto.

Sources

Source	Sentences
sentence-collector	9,020 (99.5%)
Other	49 (0.5%)

Fields

Clips

Each row of a tsv file represents a single audio clip, and contains the following information:

client_id - hashed UUID of a given user
path - relative path of the audio file
text - supposed transcription of the audio
up_votes - number of people who said audio matches the text
down_votes - number of people who said audio does not match text
age - age of the speaker1
gender - gender of the speaker1
accents - accents of the speaker1
variant - variant of the language1
segment - if sentence belongs to a custom dataset segment, it will be listed here
prompt_upvotes - number of upvotes the sentence prompt received
prompt_reports - number of reports the sentence prompt received
is_edited - whether the clip's transcription has been edited

`validated_sentences.tsv`

The validated_sentences.tsv file contains one row per validated sentence in the text corpus:

sentence_id - unique identifier for the sentence
sentence - the sentence text
variant - the variant of the language
sentence_domain - the domain(s) the sentence belongs to
source - the source the sentence was collected from
is_used - whether the sentence is still in circulation for recording
clips_count - number of clips recorded for this sentence

`unvalidated_sentences.tsv`

The unvalidated_sentences.tsv file contains one row per unvalidated sentence in the text corpus:

sentence_id - unique identifier for the sentence
sentence - the sentence text
variant - the variant of the language
sentence_domain - the domain(s) the sentence belongs to
source - the source the sentence was collected from
up_votes - number of upvotes the sentence received
down_votes - number of downvotes the sentence received
status - current status of the sentence (pending or rejected)

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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

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 ↩3 ↩4