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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Sone
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INFOTEXT
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1992-09-02
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265b
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7 lines
Unit of subjective loudness. A tone of 40
decibels above the threshold of hearing with
a frequency of 1000 hertz is defined as one
sone; any sound that seems twice as loud as
this has a value of two sones, and so on. A
loudness of one sone corresponds to 40 phons.