The Musician Hand Is a Robot That Learns Piano by "Ear"
Learning to play the piano takes years of practice. There is so much struggle and frustration along the way that most people give up before they ever reach their goal. Robots, on the other hand, find it quite easy to learn to play the piano — they do now, anyway, thanks to the work of a trio of researchers at the University of Southern California.
Getting a feel for the piano — the way the keys yield under pressure, the subtle rebound of the hammer mechanism, and the exact amount of force needed to evoke different dynamics — doesn’t happen overnight. Pianists spend a lifetime perfecting this connection. But the researchers taught a robot to figure it out in about two minutes. During that time, the machine, called the Musician Hand, essentially plays with the keys like a toddler to see what happens. After that, the robot becomes an...
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