sudo apt-get install espeak
http://espeak.sourceforge.net/commands.html
https://github.com/markondej/fm_transmitter
SSML https://www.w3.org/TR/speech-synthesis/
sox
Create a wav with TTS and broadcast: $espeak -wespeak.wav -s125 -ven+m3 -k120 -m "1, 2, 3, 4, 5 1, 2, 3, 4, 5 This is a test of the emergency broadcasting system. " $sudo ./fm_transmitter -f 90.1 -r espeak.wav
From test.txt: 1, 2, 3, 4, 5 1, 2, 3, 4, 5 This is a test of the emergency broadcasting system $espeak -wespeak.wav -s125 -ven+m3 -k120 -m -ftest.txt $sudo ./fm_transmitter -f 90.1 -r espeak.wav
Convert MP3 and broadcast sox lincoln.mp3 -r 22050 -c 1 -b 16 -t wav - | sudo ./fm_transmitter -f 100.0 -