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Spontaneous Dialogue

English Speech Data - Spontaneous Dialogue

$425.00 per hour 135 hours available

The dataset is split into 20h chunks that you can buy separately

Version Number
Published date
Dec 19, 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 135 hours of English Spontaneous Dialogue data, recorded from speakers in United States.

Seller Name


Dataset details


Domain Insurance
Total recordings 1695
File size 29.3GB
Hours 135
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. 7.29%
Average amount of recordings per speaker 12.02


Locale The language(s) and country(s) applicable to the speakers in the dataset. en-us
Language English
Country United States
Female | Male | Unspecified View on chart 53% | 36% | 11%
Age View on chart 18-68
Accent(s) View on chart Alabama, Alaska, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nevada, New Jersey, New Mexico, New York, North Carolina, Ohio, Oregon, Other, Pennsylvania, South Carolina, Tennessee, Texas, United States, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin

Audio Details

Words 955686
Recording environment noisy, silent
Audio format WAV
Bits per sample 8
Device type mobile
Communication band narrowband
Sample rate 8kHz

Details on charts