put this function in your .bash_profile

tooloud.sh

tooloud() {
	messages=( "beep beep" "lower voice" "a bit to loud" "the puppies are sleeping" "you are waking up the kittens" "hello hello")
	voices=( "Alex" "Daniel" "Serena" "Tessa" "Veena")
	while true; do \
		soundmeter --trigger +3000 4 --action stop
		randomMessage=$[$RANDOM % ${#messages[@]}]
		randomVoice=$[$RANDOM % ${#voices[@]}]
		say -v ${voices[randomVoice]} ${messages[randomMessage]}
	done
}