No matter the occasion, Japanese women tend to adopt a high-pitched voice in public or when speaking on the telephone. The same can be said of actresses in movies as well as news anchors in Japan.

Level 1 Cannot sustain phonation. This speech sample demonstrates the inability to control pitch. Fluctuations or breaks appear to cover almost the full range of audible tone generation.

Have you ever wondered how voice cloning works? We asked James Betker, who developed TortoiseTTS, an open-source voice cloning model.