The EI Technologies Xpression smartphone application listens to the tone of users' voices with a specific look at depression. The tool places the recorded voices along a mood scale via an assessment that monitors tone and pitch.
Based on the data gathered, Xpression may contact doctors. The emotion-monitoring technology records as little as 200 milliseconds from one's daily interactions. Factors such as volume are then evaluated and placed within a catalog of feelings. By effectively eavesdropping on one's daily activities, Xpression can track the progression or regression of patients with depression. This takes the onus off of said patients as it is most often them who have to make note of their states of mind.
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