Researchers have created a digital audio platform that can modify the emotional tone of people's voices while they are talking, to make them sound happier, sadder or more fearful. While listening to their altered voices, participants' emotional state change in accordance with the new emotion.

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Researchers have created a digital audio platform that can modify the emotional tone of people's voices while they are talking, to make them sound happier, sadder or more fearful. While listening to their altered voices, participants' emotional state change in accordance with the new emotion.