Brisbane-based Replica Studios has built a model that can be trained to recreate a voice simply by being fed recordings of 20 short but specific sentences. The amount of training data required has decreased drastically, Flynn says, from 30 to 50 hours down to just ten or 20 minutes. “We stretch those natural points and nuances and inflections.” “We know the difference between sarcasm and sincerity, and the tiny little clues in sound,” says John Flynn, Sonantic co-founder and CTO. ![]() They work with voice actors to get a wide range of training data – several hours of the actors running through different lines, with different emotional tones. British startup Sonantic has developed a way of bringing that emotional range to AI voices.
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