This is an audio analyzer.
You can see the power, the waveform, and the spectrum of the sound in real-time with this application.
The sound is analyzed with FFT and the data is smoothly updated.
There is a free version with advertisement.
RECORD_AUDIO: to use MIC.
Tags: fft , microphone analyzer , rta , sound fft , audio analyzer , rta analyzer microphone , fft audio analyzer , audiorecorder fft , aps real time audio analyzer