Audio frequency plot using expressions
Has anyone ever managed to generate an audio frequency heat map plot using expressions in After Effects? So the x-axis is time, the y-axis is frequency, and the colour of the audio denotes intensity, like Adobe Audition can show (see image attached). Please note, I’m not talking about Sound Keys or Audio Waveform effects, which can only produce amplitude based charts (or only a few narrow bands of frequency bar charts). Many thanks
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