This demo just demonstrates audio output. It plays a sine wave, which makes a kind of 'WOO WOO WOO' sound.
cd .. cd hello_audio ls
Notice the green
.bin file? Run it. Are you getting the hang of this now?
This will play the sound over the headphone jack on the Pi. If you're using a HDMI monitor you can make it output over HDMI by adding a
1 to the command:
The demo will run forever until you quit. To exit the demo press
Ctrl + C.