bismark bs-spectrum free

This application calculates FFT (Fast Fourier Transform) of the sound which is recorded by your Android device's internal mic. The calculated data is displayed as a graph.

Additionally, the Following functions included.

- Displaying peak amplitude and frequency

- Storing snapshot and comparing with real-time waveforms

Option Setting:

- Mode: Linear, Logarithmic

- Window: Rectangle, Hamming, Hanning, Blackman

- Decay: 250[ms], ... 4[s]

- Amplitude Offset