Topic: AI-generated voices

AI-generated voices have a high level of auditory quality and resemble human voices, such that they might mimic human emotions to a high degree. In our study, we investigated how the human brain distinguishes between emotional natural (human) and synthetic (AI-generated) voices. 35 participants (23 females, mean age = 32.23, SD = 7.66) listened to vocal pseudo-speech emotional expressions (neutral, angry, fear, happy, pleasure) from both human and AI-generated sources. The experiment consisted of three parts: an fMRI study with a classification task to identify the voices as synthetic or natur