SONIFYING GAIT KINEMATICS USING THE SOUND OF WADING: A STUDY ON ECOLOGICAL MOVEMENT REPRESENTATIONS
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Kantan, Prithvi
Dahl, Sofia
Serafin, Stefania
Spaich, Erika G.
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Abstract
Interactive sonification of human movement can enhance motor learning by introducing an additional sensory feedback channel during rehabilitation. Successful past work on sonifying human walking has focused primarily on providing users with feedback on the stance (ground contact) phase of the gait cycle, whilst the equally important swing phase has been largely neglected. In this work, we developed and assessed a swing phase sonification algorithm that generates ecological feedback on limb swing in the form of wading sounds at two different depths. We evaluated the perceptual qualities of the algorithm output in a test with 16 respondents, as well as the user experience of 9 healthy participants in a reallife walking pilot test. Despite our simple approach of simulating wading acoustics using gyroscope-modulated liquid sounds, our results suggested that the simulation sounded perceptually natural, unintrusive during walking, and responded well to limb swing in real-time. Future work includes further improvements to the algorithm followed by rigorous user tests with both healthy and impaired individuals. We believe that this research can contribute to the development of meaningful auditory feedback schemes targeting limb swing.
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2023-06
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Licensed under Creative Commons Attribution Non-Commercial 4.0 International License.