Spectrograms 🥠

• Spectrogram: A spectrogram is a visual representation of the spectrum of frequencies of a signal as it varies with time. When applied to an audio signal, spectrograms are sometimes called sonographs, voiceprints, or voicegrams. When the data is represented in a 3D plot they may be called waterfalls.

• Use tool audacity to watch them

  • Opening a .wav file usually

• Click on the name of the file >> Spectrogram