In just over the last decade, our interaction with computers and games has progressed substantially. Starting in 2006 with the release of the revolutionary Wii, mainstream gaming changed overnight from being entirely controller/keyboard driven to physical human interaction. This evolution further continued with the Kinect and later multi-sensor mobile devices. Now, there appears to a new trend in gaming and that is mobile games controlled by voice or microphone. For this section, we will look at how to convert our previous light visualization sample to use a microphone as an audio source.
If you don't have a microphone, you could also try using a speaker or headphone jacks as a microphone. Just plug your speaker into the microphone jack. You will need to shout to see any form of signal, but it will work if you don't want to go out and...
