Common Voice Spontaneous Speech 5.0 - Spanish

Español — Spanish (es)

This datasheet is for sps-corpus-5.0-2026-09-11 of the Mozilla Common Voice Spontaneous Speech dataset for Spanish [Español - es]. The dataset contains 428 clips representing 1.51 hours of recorded speech (0.08 hours validated) from 17 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: 0 of 41 transcribed & validated clips (0.0%)

Transcriptions

Transcription status

Samples

Questions

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

1. ¿Qué valores importantes se enseñan a los niños en tu comunidad?

2. ¿Qué canción popular hay que todos conozcan donde vives?

3. ¿Crees que cinco es mucho o poco?

4. ¿Qué música te gusta?

5. ¿Cómo se celebran los cumpleaños?

Responses

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

1. Dependen del tiempo, a veces son grandes cuando (nieva/llueva) y a veces no son grandes cuando no llueva.

2. Con un pastel y... y en... familia.

3. Sobre mi casa llovió hasta recién. Estuvo lloviendo ayer todo el día y hoy también, toda la mañana, hasta hace unos minutos.

4. ¿Cómo celebra tu familia éxitos como graduación o ganar un premio?

5. Uno de mis sueños es ver una aurora boreal. Me encantaría ver cómo es.

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

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