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Spontaneous IVR

English Speech Data - Spontaneous IVR

Version Number
Published date
Apr 4, 2022
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 75 hours of English Spontaneous IVR data, recorded from speakers in India.

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Dataset details


Domain Banking
Total recordings 8440
File size 8.13GB
Hours 75
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 88.84


Locale The language(s) and country(s) applicable to the speakers in the dataset. en-in
Language English
Country India
Female | Male | Unspecified View on chart 49% | 50% | 1%
Age View on chart 19-61
Accent(s) View on chart Assam, Chandigarh, Chhattisgarh, Delhi, Gujarat, Jammu and Kashmir, Kerala, Madhya Pradesh, Maharashtra, Odisha, Rajasthan, Tamil Nadu, Telangana, Uttar Pradesh, Uttarakhand, West Bengal

Audio Details

Words 444924
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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