How to install APK / APKS / OBB file on Android
Hi, There you can download APK file "Pitch Analyzer" for sharp Aquos Sense Plus free, apk file version is 2.0.1 to download to your sharp Aquos Sense Plus just click this button. It's easy and warranty. We provide only original apk files. If any of materials on this site violates your rights, report us
A pitch is detected by analyzing input sound and displayed in real time.
This app can help you to tune a musical instruments or practice a singing.
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A pitch detection was an octave off until ver 2.0.0 ( A4 was displayed at A3 )
I corrected the bug in ver 2.0.1
I am terribly sorry to have troubled you so much.
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On the graph area:
* Move a scale display area by dragging
* Zoom in and out by pinching (or push the buttons on the bottom of the graph)
Display area of a volume graph and pitch detection sensitivity is adjustable using the bars
on the bottom of the screen.
Purchase this app:
* Release function restrictions on a setting screen
* Remove ads
Setting items:
* Graph [Log, Liner]
* Scale [Equal temperament, Frequency [Hz]]
*Window function [None, Hanning window]
(Window function can improve accuracy of a pitch detection, but you would hardly feel the difference)
Technical info:
* A pitch is calculated by a autocorrelation function (using FFT, IFFT, for fast computation)
* Sampling frequency is 8000 Hz
* The frequency at A4 is 440 Hz