Acceleration in free fall audio analysis

Finds frequency of spark generator from audio recording.

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Examination of mobile phone audio recording of 60-cycle triggered spark generator used in an acceleration in free fall experiment. Spark times are identified and the mean time between sparks found using peak finding and autocorrelation. This script could be used to find the frequency of other repetitive pulsed signals.

Cite As

Duncan Carlsmith (2026). Acceleration in free fall audio analysis (https://se.mathworks.com/matlabcentral/fileexchange/108604-acceleration-in-free-fall-audio-analysis), MATLAB Central File Exchange. Retrieved .

General Information

MATLAB Release Compatibility

  • Compatible with any release

Platform Compatibility

  • Windows
  • macOS
  • Linux
Version Published Release Notes Action
1.01

Added interactive_examples tag

1.0.1

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1.0.0