Corrective Sonic Feedback for Speed Skating: A Case Study
Author(s)
Boyd, Jeffrey
Godbout, Andrew
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Abstract
We present a system that provides real-time audio feedback to
athletes performing repetitive, periodic movements. The system
synchronizes the temporal signal from a sensor placed on the athletes
body with a model signal. The audio feedback tells the athlete
how well they are synchronized with the model, and whether or not
they are deviating from the model at critical points in the periodic
motion. Because the feedback is continuous and in real-time, the
athlete is able to correct their motion in response to the sounds they
hear. The system uses simple, inexpensive instrumentation (the entire
system costs less than $500) and avoids the uses of expensive
and inconvenient motion capture systems. We demonstrate the effectiveness
of the system with a case study featuring a speed skater
that had developed a significant anomaly in his technique.
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Date
2010-06
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Proceedings