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Using this image and importing it into audacity using A-Law, when set to show pitch instead of waveform, at lower sample rates, I get what looks like this. |
I can almost see some vertical lines in there, but i’s too spread out. Is there any way to squash that down?
It could very easily just be confirmation bias, though.
EDIT: Have you tried other images? What about the MP4 videos on the site, maybe there’s some hidden audio in those?