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Spontaneous IVR

English Speech Data - Spontaneous IVR

$255.00 per hour 186 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, IVR

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 186 hours of English Spontaneous IVR data, recorded from speakers in United States.

Seller Name


Dataset details


Domain Insurance
Total recordings 21987
File size 20.07GB
Hours 186
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. 4.46%
Average amount of recordings per speaker 83.28


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 68% | 31% | 0%
Age View on chart 18-68
Accent(s) View on chart Alabama, Arizona, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, New Hampshire, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Other, Pennsylvania, Prefer not to answer, Rhode Island, South Carolina, Tennessee, Texas, Utah, Virginia, Washington, West Virginia, Wisconsin, Wyoming

Audio Details

Words 1110328
Recording environment noisy, silent
Audio format WAV
Bits per sample 8
Device type mobile
Communication band narrowband
Sample rate 8kHz

Details on charts