The researchers see a number of applications for the technology, from changing songs on MP3 players while occupied with tasks like jogging to playing video games like Guitar Hero without a controller.

研究者们为这种技术找出了一些应用方式，例如让MP3播放器更换音乐，或者是不用手柄就玩吉他英雄这样的游戏。

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Is it possible to make MIDI controller for guitar amp?

有可能使吉他音箱MIDI控制器吗？

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Each player has a plastic controller that looks a lot like an electric guitar - minus the strings.

NPR: 'Guitar Hero' Game Earns a Following