A prototype system converting heart rate into musical data was developed to provide biofeedback and potentially improve physiological states during mental workload.
Prototype biofeedback via musical heart rate data may aid workers under mental stress; leaves open efficacy pending larger trials.
Heart rate data reflects various physiological states such as biological workload, stress at work and concentration on tasks, drowsiness and the active state of the autonomic nervous system. This paper proposes system to indicate heart rate using musical data. Music changes physiological states for the better by relaxing people, or contributing to patient treatment through music therapy. Information in the form of music is advantageous because it does not hinder work as does verbal information and it contains more information than warning noises. We introduce and evaluate a prototype heart rate indication system and describe evaluation results of biofeedback effects on the worker during mental workload. The prototype system sequentially inputs the instantaneous heart rate into the computer, converts the data into musical instrument digital interface, the digital music format, and outputs it from the sound source.
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Yokoyama et al. (2002) studied this question.
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