Sone - 187 -

But what happens at ?

In the lexicon of psychoacoustics, the sone is a deceptively simple creature. Unlike the decibel—a relative measure of pressure—the sone is linear. One sone is defined as the loudness of a quiet, 1 kHz tone at 40 dB SPL. Two sones sound twice as loud. Forty sones sound forty times as loud. sone - 187

In the end, is not a measurement. It is a warning: You are no longer listening. You are being unmade by vibration. But what happens at

At , the linear scale ceases to be academic and becomes visceral. sone - 187