Advanced FFT Spectrum Analyzer is a real-time ( RTA ) powerful audio tool to visualize and analyze signals from android device microphone in frequency domain. Features: - FREE - FFT resolution up to 2.7Hz! (FFT size: from 512 to 16384 bins) - 44100 hertz (Hz) and 48000 hertz(Hz) sampling frequencies - peak finding - input source selection ( two microphones ) - several window functions to minimize the leakage effect and increase signal peaks precision - linear and logarithmic scales - scaling - signal averaging - peak hold - 2 independent markers - markers frequency and amplitude deltas - pause/resume button - screenshots - NO ADS!