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Linus Tech Tips on X: "Did you know that noise-cancelling headphones don't actually block sound? Instead, they generate sound waves that are the opposite phase as the ambient noise - essentially, inverted
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Are noise cancelling headphones emitting energy when the wave cancels out the other wave, and is that dangerous near the brain? - Quora
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Inverting the polarity on headphones dramatically changes soundstage | Headphone Reviews and Discussion - Head-Fi.org
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