Audio Spectrum Monitor 1.5.1

This is an application program that provides real-time visualization of the voice spectrum captured by the microphone on your Android phone. The horizontal axis represents the musical scale and you can adjust the display position by dragging horizontally. Additionally, you can easily scale the display range using pinch zoom gestures.

Key features of this app include:

• Real-time display of the voice spectrum captured by the Android phone's microphone
• Horizontal axis displayed with the musical scale
• Display of 7 octaves from C1 to B7
• Supports horizontal screen rotation
• Presentation of the basic frequency (pitch)
• Drag and pinch zoom functionality
• Tuner
• Recording and playback
• Save/Load function

To use this app, simply input your voice through your Android phone's microphone and the spectrum will be instantly displayed in real time. The app also supports horizontal rotation for your convenience.

Pitch detection is another useful feature of this app. When a pitch is detected, a blue vertical line appears on the music scale indicating its position. Additionally, the pitch value in Hz and the corresponding music scale name are displayed at the top of the screen. Please note that if the voice input contains multiple musical instruments or harmonies, accurate analysis may not be possible.

For recording and playback, please be aware that there is a three-minute recording limit.