It seem you need some tts service try some opensource project if you do not want to pay for it at start something like MARY TTS ? https://medevel.com/14-os-text-t...

https://github.com/skygongque/tt... ​Occasionally I need to convert text into speech so I can share it with older people. Then I thought about using Microsoft's text-to-speech service. The trial version does not support downloading mp3 files. Well, using this script will solve this problem for me.