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by LanceH 2509 days ago
Isn't the inverse of a sound the same sound?
2 comments
bzbarsky 2509 days ago
It's the same sound, but out of phase, so they cancel out. Think operating principle of noise-canceling headphones.
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noir_lord 2509 days ago
Nope, it's flipped on the horizontal axis (if you picture it as a graph) so when both are summed you get zero (at least in perfect destructive interference).
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