Sound emission and echolocation

phyphox Sonar: reflected signal on a distance scaleThe echo peak is mapped to distance in centimeters
phyphoxphyphox Sonar: reflected signal on a distance scale
  1. The echo peak is mapped to distance in centimeters
© RWTH Aachen University / phyphox · Source ↗

An app emits sound and analyzes reflections. Signal delay and shape help estimate distance or properties of the environment.

Design tips

  • Test echoes and latency on real hardware and retain measurement units.

Examples