Open yukifrog opened 2 days ago
https://responsivevoice.org/text-to-speech-languages/%E6%97%A5%E6%9C%AC%E8%AA%9E%E3%81%A7%E3%81%AE%E3%82%B9%E3%83%94%E3%83%BC%E3%83%81%E3%81%B8%E3%81%AE%E3%83%86%E3%82%AD%E3%82%B9%E3%83%88/
Amazon Polly
Google Cloud Text-to-Speech API
https://responsivevoice.org/text-to-speech-languages/%E6%97%A5%E6%9C%AC%E8%AA%9E%E3%81%A7%E3%81%AE%E3%82%B9%E3%83%94%E3%83%BC%E3%83%81%E3%81%B8%E3%81%AE%E3%83%86%E3%82%AD%E3%82%B9%E3%83%88/