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How do those videos of pure tones in the sub 1Hz or in general any Hz tones produce that tone for the video? (sopuli.xyz)

submitted 2 days ago* (last edited 2 days ago) by sopularity_fax@sopuli.xyz to c/nostupidquestions@lemmy.ca

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I want to be able to do that too, like this one for instance

PURE 0.33 Hz EPSILON BINAURAL BEATS | Epsilon Waves | Reality Shifting ⚡️

It would be great to be able to produce any arbitrary Hz pure tone or whatever that example is

Like 0.165Hz or anything

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[–] thesohoriots@lemmy.world 8 points 2 days ago

Your speaker would be vibrating at ⅓ cycle per second at that frequency. You literally cannot hear it. Your speakers will compensate for this by playing an enharmonic series of overtones to trick your ears into “hearing” it. Chances are there’s a low-pass cutoff in your speakers well above that frequency to prevent damage.