Technology
An AI-powered test that claimed to be “clinical grade” listens for signs of stress in people’s voices. But it provides inconsistent results when tested on the same person twice, according to a study
By Jeremy Hsu
Can AI detect stress from a voice recording?
Tero Vesalainen/Shutterstock
An artificial intelligence technology that supposedly detects stress in people’s voices does not deliver consistent results even for individuals taking the test twice in a row, a study has found.
During the second year of the covid-19 pandemic, US healthcare company Cigna launched its StressWaves test – based on AI technology from Ellipsis Health – as a free online tool. Cigna’s website initially claimed the “clinical-grade AI technology underlying…
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