[Summery]
This paper presents an interface, Cyber Composer, that lets user to control the tonality and the melody of the music by hand motion and gestures that they generate. Pitch, rhythm and volume of the melody can be controlled and generated in real-time by wearing a pair of CyberGloves and a Polhemus Fastrak.
The Cyber Composer system is composed of several interface modules: the music interface, CyberGlove interface, background music generation module, melody generation module, and the main program which links all the components together. Seven musical expressions are mapped to specific gestures: rhythm, pitch, pitch-shifting, dynamics, volume, dual-instrument mode, and cadence.
[Discussion]
The biggest problem of reading this paper is that they didn't mention how they did the gesture recognition and how the results looked like. They only defined a set of gestures to control the characteristic of music. Although the gestures defined in this paper looks reasonable, it's hard to say it is practical to use without any experiments. In addition, we need to notice that they constrained the number of notes that a user can perform by specifying a overall tonal base, which would make the system works only for some simple music.
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