Why it's useful
Record the line with your own timing and emotion, then convert it into a gruff orc, a child or a robot voice you have trained, and the performance survives. Training a new voice takes about ten minutes of clean audio. It also does plain text-to-speech and has a plug-in system.
What it needs
An NVIDIA graphics card for training; conversion runs on CPU or AMD at a slower pace. Its terms of use forbid using people's voices without permission, and many shared voice models online are of real people, so stick to voices you made or have rights to.
Image: Viber Cove. Applio belongs to IAHispano; we just think it's worth knowing about.
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