Smule unveils Ocarina instrument for iPhone

Smule has unveiled its latest app for the iPhone, the Ocarina virtual instrument. As the user blows lightly on the device's microphone, the program analyzes the wind noise and tonguing to produce synthesized sounds. To further alter output, it tracks finger placement over four on-screen holes, as well as phone tilt. The combination of covered holes determines pitch, while tilting front and back ad...