AD Sound Analyzer

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
Low CPU and resource usage
 

Tutorial: Key features (External YouTube link)

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