Comparing the Timing of Movement Events for Air-Drumming Gestures

摘要

New air-instruments allow us to control sound by moving our bodies in space without manipulating a physical object. However when we want to trigger a discrete sound at a precise time, for example by making a drumming gesture, the timing feels wrong. This work aims to understand what aspects of a performer's movement correspond to their subjective sense of when the sound should occur. A study of air-drumming gestures was conducted, and the timing of eight movement events based on movements of the hand, wrist, elbow joint, and wrist joint are examined. In general, it is found that movement events based on peaks in acceleration are better because they occur earlier and have less noise than do events based on changes of direction.