piano doctor

meet your piano's sound

  • Measures entire range of keys from A0 to C8
  • Provides stable readings using 131,072 point FFT
  • Detects fundamental and harmonic frequencies
  • Shows spectrums
  • Runs on iPhones and iPads
  • Available in Apple’s App Store at the link below
  • https://apps.apple.com/us/app/piano-doctor/id6738971293 

Main Window at a Glance

Demonstration: Detecting A0 (27.5Hz)

  • Self-generated A0 tone is used
  • Harmonic gauge finds a peak at 27.5Hz

Demonstration: Detecting A2 (110Hz)

  • Self-generated A2 tone is used
  • Both fundamental and harmonic gauges find a peak at 110Hz