Spectrogram
The squared magnitude of the STFT plotted as a time–frequency heat map, usually on a decibel scale; it is the standard visual for speech formants, birdsong, machine vibration, and radar chirps, with hop size and window choice setting what structure is visible.
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The squared magnitude of the STFT plotted as a time–frequency heat map, usually on a decibel scale; it is the standard visual for speech formants, birdsong, machine vibration, and radar chirps, with hop size and window choice setting what structure is visible.
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