Common Voice Scripted Speech 25.0 - Orizaba Nahuatl

Nauatl — Orizaba Nahuatl (nlv)

This datasheet is for cv-corpus-25.0-2026-03-09 of the Mozilla Common Voice Scripted Speech dataset for Orizaba Nahuatl [Nauatl - nlv]. The dataset contains 6844 clips representing 11.92 hours of recorded speech (11.59 hours validated) from 16 speakers, recorded from a text corpus of 1,006 sentences.

Language

Lengua utilizada, según los lingüistas, en la zona del Valle de Orizaba y Sierra de Tequila - Atlahuilco.

Variants

Se presentan datos del náhuatl de Tequila, Soledad Atzompa, Rafael Delgado e Ixhuatlancillo.

Accents

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.

Gender declared: 630 of 6,844 clips (9.2%), 1 of 16 speakers (6.3%)

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.

Age declared: 6,774 of 6,844 clips (99.0%), 7 of 16 speakers (43.8%)

Data splits for modelling

Clip buckets

Training splits

Training split coverage: 1,006 of 6,657 validated clips (15.1%)

The dataset contains 6657 validated, 128 invalidated, and 59 unresolved clips. The average clip duration is 6.272 seconds.

Text corpus

Frases simples y cortas, no mayores en su mayoría a 7 palabras.

Validated sentences: 1,006

The corpus contains 1,006 sentences: 1,006 validated and 0 unvalidated (0 pending review, 0 rejected), with 1 reported for review.

Writing system

Escritura Práctica, siguiendo el modelo propuesto por el Instituto Lingüístico de Verano.

Symbol table

a b ch e f g i j k l m n o p r s t tl ts u x y

Sample

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

1. Kitenextilia tlen yokitak iuan yokikak.

2. Mach nimotlatlautia xikinmachij n tlaltikpak.

3. inon xokoyotsin se takotsin itoka Ketsaltsin.

4. Iuan mach kintekipachoua n ichkamej.

5. Tetlikuiti otlanauati makitliokolilikan patio tlakemitl, tlen okachi patio.

Sources

Common Voice NCX Corpus Mod Common Corpus NLV

Text domains

General

Processing

Recabación de texto en la "variante específica" y modificación para eliminar ambigüedades producto de la mala recabación anterior.

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)

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

• Speak

• Write

• Listen

• Review

Acknowledgements

Datasheet authors

Luis Samuel Santiago Melchor: lssm676969@gmail.com

Funding

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 ↩3 ↩4