Ever saw those EQ lines jumping around as the time goes by and music sounds? That is the direct result of drawing the information the FFT gives. There are many

Ever saw those EQ lines jumping around as the time goes by and music sounds? That is the direct result of drawing the information the FFT gives. There are many interesting applications, for example, voice recognition https://towardsdatascience.com/understanding-audio-data-fourier-transform-fft-spectrogram-and-speech-recognition-a4072d228520 https://towardsdatascience.com/understanding-audio-data-four... It is really amazing