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I have a video file that I'd like to create a new video with the original video with a waterfall spectrogram right below it.


Sorta like the video above, where the frequency domain is on the horizontal axis, time is on the vertical axis, and color is the amplitude.

Now, I'm thinking I may need to strip the audio from the video, generate a the waterfall spectrogram separately and edit the video to include it. But i'm not sure where to start.

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