wm_tts is a collect a series of text to speech api and chose the correct one to use depending on the network availability and chosen language.
sudo apt install libttspico-utils -y
sudo apt install mpg123
sudo apt install sox
pip install gtts
pip install urllib
pip install pygame
https://github.com/marytts/marytts
/langue Allow to choose the language. (default: en-US) also support fr-FR
/gain Apply a volume gain to the offline voice.
/force_offline Force the use of offline solution to avoid network issues.
/say
message type wm_tts/say
/wm_say
service type wm_tts/say_service