Piano Doctor - A Piano Tuner

By Jongseung Park on AppTrack Ninja.

Let's tune your piano

This app analyzes piano sounds. It detects the frequencies in the sound and estimates how far the sound's tone is away from the target tone. While detecting the middle and higher tones of a piano can be done with little difficulty, detecting lower tones such as A0 (27.5Hz) raises a challenge. This is because most mobile devices' microphones cannot pick up such low tones. To overcome the difficulty, this app looks at two bands of frequencies: a fundamental band and a harmonic band. The fundamental band is the frequency range between -50 cents and +50 cents centered at the target frequency. Har…

Categories: Music, Utilities

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