Technology Research 

Reliability and Validity of Layered Voice Analysis technology in the detection of mental stress 

Seishin Igaku

October, 2008


In this study, we investigated the reliability and validity of the Layered Voice Analysis (LVA) technology.



“…Most of the parameters LVA computed are reliable and the value of these parameters changed significantly under stressful conditions. LVA might be useful in the detection of mental stress."

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