Google is already offering higher quality TTS: https://cloud.google.com/text-to-speech/ https://cloud.google.com/text-to-speech/ Additionally, if you poke arou

Google is already offering higher quality TTS: https://cloud.google.com/text-to-speech/ https://cloud.google.com/text-to-speech/ Additionally, if you poke around the web a bit there are many free TTS websites that produce higher quality audio than Mozilla TTS without requiring you sign up for anything.