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Methods for sonic representation of heart rate during exercise.

Minodora Andor1, Anca Tudor1, Sorin Paralescu1

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This study explored sonic displays for heart rate (HR) monitoring during exercise. A specific pitch for each of the four exercise zones was preferred for better HR transition identification.

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Area of Science:

  • Exercise Physiology
  • Human-Computer Interaction
  • Bioacoustics

Background:

  • Monitoring heart rate (HR) changes during exercise is crucial for assessing physiological responses.
  • Identifying transitions between rest, exercise, attention, and alert zones aids in optimizing training and preventing overexertion.
  • Current methods may lack real-time, intuitive feedback for both patients and investigators.

Purpose of the Study:

  • To evaluate the effectiveness of sonic displays for representing heart rate (HR) changes during exercise.
  • To determine the optimal sonic display characteristics for distinguishing between different exercise intensity zones.
  • To enhance the identification of transitions from rest to exercise and through critical HR thresholds.

Main Methods:

  • Three distinct sonic display types were designed and tested.
  • Displays utilized combinations of saccadic sounds, varying intensities, and different pitches.
  • Participants' responses and preferences were recorded for each display type during exercise protocols.

Main Results:

  • A clear preference was observed for a sonic display that assigned a unique pitch to each of the four defined exercise zones (rest, exercise, attention, alert).
  • This specific pitch-based system facilitated better identification of HR transitions between zones.
  • The findings suggest that auditory feedback can effectively communicate complex physiological data in real-time.

Conclusions:

  • Sonic display, particularly using distinct pitches for different heart rate zones, significantly improves the ability to track exercise intensity.
  • This auditory feedback mechanism offers a valuable tool for both individuals exercising and healthcare professionals monitoring them.
  • Further research can explore integrating this technology into wearable devices for continuous, intuitive physiological monitoring.