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What is the coversion between Sone and Decibel (dB)?

coversion DB decibel sone
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What is the coversion between Sone and Decibel (dB)?

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This is a bit tricky to answer. The issue is that Decibels (dB) is an empirical measurement of the difference of sound pressure of two sounds. So to make standardized measurements of Decibels requires a room with a specific ambient sound pressure, a specific atmospheric pressure and a specific ambient temperature. This way Decibels provide the user with a reproducible experimental value that could then be experienced by the curious user. The Sone takes it a step further. The Sone measurement is a numerical representation of a human’s acoustic perception. This unit of perceived loudness was put into use after a proposal of S. S. Stevens in 1936. Since much of acoustics is important only in how humans react to the sound, it was seen fit that loudness be standardized. Loudness is a subjective measurement of the sound pressure, so one Sone was defined as equivalent to 40 Phons. Thereby one Sone equals the loudness of a 1 kHz tone at 40 dB SPL. Now a Phon is also a unit of perceived loudnes

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