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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Of human auditory perception

We can detect volume changes of sounds with "a few femtoseconds"

Is that right? Can we see some evidence?

Just that a femtosecond is one millionth of one billionth of a second (10 to the minus 15 seconds)

To put this into context, a 20kHz sine wave, one cycle, lasts 5 billion femtoseconds.

I thought my ears were good but apparently not...


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  • RE: Of human auditory perception - beautox 01:48:27 03/26/15 (1)

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