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estelle , @estelle@mstdn.social
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@hikari pink and brown noises are often found in nature, for reasons i do not at all understand

incidentally, brown noise is what happens when you take a random walk and then record it and play it back,

and the frequency spectrum of this random walk turns out to be like white noise filtered down by 6dB every octave

other filters make it sound like other things though, for reasons i also don't understand

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