As the coronavirus lingers on, continuously spreading from person to person across the world, companies are continuing to find fast and reliable ways to detect it as early as possible.

One such company isVocalis Health, which has been working on an AI-powered voice test app: VocalisCheck. In clinical studies, the system showed an 81.2 percent efficacy rate in detecting COVID-19, and all people had to do was count from 50 to 70.

The point of VocalisCheck is to work as an addition to current COVID-19 tests, and not to replace them. The hope is to minimize the strain and risk of infection on health workers at these facilities, as well as saving up the traditional tests for people with a higher risk of infection.

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How VocalisCheck works

Running on a smartphone or a computer, VocalisCheck asks the user to count from 50 to 70. The captured audio is transferred into a visual representation of their voice, a spectrogram, which is made up of 512 different features in order to make its diagnosis.

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