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Hi, There you can download APK file "Pitch Analyzer" for LG U free, apk file version is 2.0.1 to download to your LG U 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

Description of Pitch Analyzer
Screenshots of Pitch Analyzer
  • Pitch Analyzer
  • Pitch Analyzer
  • Pitch Analyzer
  • Pitch Analyzer
Description of Pitch Analyzer (from google play)

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

Version history Pitch Analyzer
New in Pitch Analyzer 2.0.1
v2.0.1:Correct a pitch detection display which was an octave offv2.0.0:Add labels for slidersBug fix for a sound level sliderAdjust a sensitivity sliderCurrent pitch and frequency display(frequency in Premium version only)v1.2.0:Add refresh, play and pause buttonv1.1.0:Function addition:* Select line between points* Add window functions (hamming and blackman window)
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