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Spontaneous Dialogue

Portuguese Speech Data - Spontaneous Dialogue

Banking Insurance Retail Telecommunication
per 1 hour 312 hours
Version Number
Published date
Mar 22, 2021
Audio demo Audio clips from the dataset that you can listen to.

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Use case(s)

call centre, conversational AI

Model Applications

Acoustic Modelling, ASR Testing, Benchmarking

Packaging description

A zip file containing metadata files in tsv format and a folder with all the audio files
This dataset contains 312 hours of Portuguese Spontaneous Dialogue data, recorded from speakers in Brazil.


Agreement defining the data being licensed, including the usage, manner, and frequency in which data will be provided or updated.

Data source


Seller Name


Dataset details


Domain Banking, Insurance, Retail, Telecommunication
Total recordings 5039
File size 52.32GB
Hours 312
Word error rate (%) 4.8%
Average amount of recordings per speaker 57.59


Locale The language(s) and country(s) applicable to the speakers in the dataset. pt-br
Language Portuguese
Country Brazil
Female | Male | Unspecified View on chart 49% | 51% | 0%
Age View on chart 20-65
Accent(s) View on chart Baiano (Bahia), Brasiliense (Brasília), Caipira (Estado de São Paulo), Carioca (Estado e Cidade do Rio de Janeiro), Costa Norte (Ceará), Florianópolis (Cidade de Florianópolis), Fluminense (Espirito Santo), Gaúcho (Rio Grande do Sul), Mineiro (Minas Gerais), Nordestino (Rio Grande do Norte, Paraiba, Alagoas, Pernambuco, Maranhão, Piauí), Norte (Roraima, Amapá, Pará), Paulistano (Cidade de São Paulo), Recifense (Cidade de Recife), Sertanejo (Tocantins, Goiás, Mato Grosso, Rondônia), Sul (Mato Grosso do Sul, Paraná, Santa Catarina)

Audio Details

Words 1931920
Recording environment noisy, silent
Audio format WAV
Bits per sample 8
Device type mobile
Communication band narrowband
Sample rate 8kHz

Details on charts

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