# say # Converts text to speech. # Say a phrase aloud. say "I like to ride my bike." # Read a file aloud. say -f filename.txt # Say a phrase with a custom voice and speech rate. say -v voice -r words_per_minute "I'm sorry Dave, I can't let you do that." # List the available voices. say -v '?' # Hear the available voices. say -v \? | awk '{ print $1 }' | while read v; do echo "$v is speaking..."; say -v $v "Hi, my name is $v"; done # Create an audio file of the spoken text. say -o filename.aiff "Here's to the Crazy Ones."