It is an application program that in real time displays the spectrum of the voice input from your Android phone's microphone. A horizontal axis is a music scale.

A display position can be adjusted by dragging horizontally.

Scaling of the display range of a scale can be carried out in pinch zoom operation.

[ feature ]

･The spectrum of the voice input from your Android phone's microphone is in real time displayed.

･A horizontal axis is displayed by the music scale.

･About five octaves to E2 - B7 are displayed (When you lay the screen).

･It corresponds to a horizontal rotation of the screen.

･The basic frequency (pitch) is presumed and it displays it.

･It correspond to a drug and pinch zoom.

[ How to use ]

Please input the voice from your Android phone's microphone. The spectrum is in real time displayed. It corresponds to a horizontal rotation.

[ basic frequency ]

When the basic frequency is presumed, a blue vertical line is displayed at the position of the music scale.

Moreover, value (Hz) of the basic frequency and the music scale name are displayed in the top right of the screen.

When the voice contains two or more musical instruments and harmonies, it is not possible to analyze it correctly.