У меня так
- platform: rhvoice
host:
192.168.1.5 port: 8081
format: 'mp3' # Optional, wav|mp3|opus|flac
pitch: 50 # Optional, 0..100
rate: 50 # Optional, 0..100
#voice: 'anna' # Optional, default is 'anna' (russian)
voice: 'aleksandr'
volume: 50 # Optional, 0..100