Type what you want to say and have your Mac speak it aloud in your Personal Voice, and even save it as an audio file.
Personal Voice is available in English only.

Create a voice that sounds like you.
With Personal Voice in macOS Sonoma, you can create a synthesized voice that sounds like your own to communicate with family and friends.

Export as audio file.
Save phrases, or capture the audio generated by Personal Voice and export it as an audio file.