AD Sound
Analyzer
is a program that allows you to visualize Waveform, Spectrum
and Spectrogram of a sound in real time. It uses a sound card
of your computer, a built-in or external microphone. You can
use also use Line-In or other input of the sound card.
Key features
Fast Fourier transform (FFT)
Windows functions: Rectangular, Hann (Hanning), Hamming,
Sine.
Linear or logarithmic scaling of Spectrum
Frequency range is from 10 Hz to 20 kHz
Refreshing interval of Waveform and Spectrum is 100 ms
Waveform, Spectrum and Spectrogram windows are resizable