espeak-ng likes to have speechdispatcher on a system and festival likes to have language-specific voices on it to use. fenrir which you didn't mention runs in user land and has no kernel dependencies.
-- Jude <jdashiel at panix dot com> "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." Ed Howdershelt 1940. On Thu, 28 Sep 2023, Jens Lechtenboerger wrote: > Dear all, > > some time ago I asked for suggestions concerning Text-To-Speech > (TTS) from Org sources. Thank you to everyone who provided > suggestions! In case you are interested, you can listen to sample > results at [1]. > > Briefly, Emacspeak, espeak-ng, and festival are not good enough for > my purposes. Maybe I'm missing relevant backend options. IMHO, > Coqui-AI TTS [2] and Microsoft SpeechT5 [3] are far superior. > > Best wishes > Jens > > [1] https://gitlab.com/oer/emacs-reveal/-/wikis/Sample-TTS-results > [2] https://github.com/coqui-ai/TTS/ > [3] https://huggingface.co/microsoft/speecht5_tts > >