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Human coded orchestra: a system for extemporary group singing performance

In this paper, we present Human Coded Orchestra, a computed system that allows a group of people to sing a complicated song in harmony without much practice beforehand. Its core idea is to create a controlled environment in which participants are directed to make sounds that are made by computed directional speakers. In Human Coded Orchestra, the participants are asked to do only one simple thing, which is to sing to the pitch they hear. By giving auditory and visual cues, the system has made the rule simple and the learning cost low. It is designed not only to produce a complex musical output but also to be universal and expandable. By utilizing the methods on calculating the accuracy of imitated sound, the authors have scientifically explored the possibilities of the system.