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Spontaneous Dialogue

Czech Speech Data - Spontaneous Dialogue

Version Number
Published date
Jun 21, 2022
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 112 hours of Czech Spontaneous Dialogue data, recorded from speakers in Czechia.

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Dataset details


Domain Telecommunication
Total recordings 1549
File size 12.12GB
Hours 112
Word error rate (%) Measurement indicating errors in alignment of text representation (actual vs. perfect) of audio, taking into account words omitted, inserted or wrongly replaced. 0%
Average amount of recordings per speaker 14.15


Locale The language(s) and country(s) applicable to the speakers in the dataset. cs-cz
Language Czech
Speaker Origin Language Czech
Country Czechia
Speaker Origin Country Czechia
Female | Male | Unspecified View on chart 49% | 31% | 20%
Age View on chart 18-73
Accent(s) View on chart Benešov, Beroun, Blansko, Brno-mesto, Brno-venkov, Bruntál, Ceské Budejovice, Ceský Krumlov, Cheb, Chomutov, Chrudim, Decín, Domažlice, Frýdek Místek, Havlíckuv Brod, Hradec Králové, Jicín, Jihlava, Jindrichuv Hradec, Karlovy Vary, Karviná, Kladno, Kolín, Kromeríž, Liberec, Litomerice, Most, Náchod, Nový Jicín, Olomouc, Opava, Ostrava-mesto, Other, Pardubice, Pelhrimov, Plzen-mesto, Praha-východ, Praha-západ, Prerov, Prostejov, Svitavy, Trebíc, Trutnov, United States, Ústí nad Labem, Vsetín, Vyškov, Ždár nad Sázavou, Zlín

Audio Details

Words 1426054
Recording environment noisy, silent
Audio format WAV
Bits per sample 16
Device type mobile
Communication band narrowband
Sample rate 8kHz

Details on charts

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