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Spontaneous Dialogue

English Speech Data - Spontaneous Dialogue

Banking Insurance Retail Telecommunication
per 1 hour 304 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 304 hours of English Spontaneous Dialogue data, recorded from speakers in United Kingdom.


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 5745
File size 32.84GB
Hours 304
Word error rate (%) 3.4%
Average amount of recordings per speaker 30.56


Locale The language(s) and country(s) applicable to the speakers in the dataset. en-gb
Language English
Country United Kingdom
Female | Male | Unspecified View on chart 63% | 34% | 3%
Age View on chart 19-69
Accent(s) View on chart English - East and Central Midlands (Cambridge, Leicester, Nottingham), English - East Anglia (Norfolk, Ipswich), English - Geordie (Newcastle, Sunderland, Northumberland), English - Hampshire/Wiltshire, English - London and Greater London/Surrey, English - Mancunian (Manchester and Greater Manchester), English - Scouse/Northwestern (Liverpool, Lancashire, Blackpool), English - Southwestern (Devon, Cornwall), English - Sussex (East/West), English - West Country (Bristol, Gloucester, Somerset), English - West Midlands (Birmingham, Coventry), English - Yorkshire (Sheffield, Leeds, Middlesbrough), Irish - Belfast/East Ulster, Irish - Derry/West Ulster, Scottish - Aberdeen/Northern Lowlands, Scottish - Edinburgh-Dundee, Scottish - Glasgow-Stirling, Scottish - Inner/Outer Hebrides, Welsh - Southern (Cardiff, Newport), Welsh - Western (Swansea, Pembrokeshire)

Audio Details

Words 2526159
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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