1) About 40 decibels 2) Acoustic measure 3) Audio measure 4) Aural measure 5) Loudness measure 6) Loudness measurement 7) Loudness unit 8) Sound amount 9) Sound measure 10) Sound unit 11) Subjective sound unit 12) Unit of acoustics 13) Unit of loudness 14) Unit of sound 15) Unit of volume 16) Volume measure
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The sone is a unit of how loud a sound is perceived. The sone scale is linear. Doubling the perceived loudness doubles the sone value. Proposed by Stanley Smith Stevens in 1936, it is a non-SI unit. In acoustics, loudness is the subjective perception of sound pressure. The study of apparent loudness is included in the topic of psychoacoustics and ...
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http://en.wikipedia.org/wiki/Sone
unit of loudness on a scale based on subjective or perceived loudness
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http://phrontistery.info/s.html
unit of loudness. Loudness is a subjective characteristic of a sound (as opposed to the sound-pressure level in decibels, which is objective and ... [1 related articles]
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http://www.britannica.com/eb/a-z/s/125
unit of loudness, equal to the loudness of a pure tone presented frontally as a plane wave of frequency 1 000 Hz and a sound pressure level of 40 dB, re 20 µPa NOTE - The loudness of a sound that is judged by the listener to be n times that of the 1-sone tone is n sones.
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http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=801-29-04
A unit of loudness; a pure tone of 1000 Hz at 40 dB above the normal threshold of audibility has a loudness of 1 sone. ... Origin: L. Sonus, sound ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: sōn Definitions: 1. A unit of loudness; a pure tone of 1000 Hz at 40 dB above the normal threshold of audibility has a loudness of 1 sone.
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http://www.medilexicon.com/medicaldictionary.php?t=82909
[
n] - a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold
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http://www.webdictionary.co.uk/definition.php?query=sone
The unit of measurement for loudness. One sone is the loudness of a sound whose loudness level is 40 phons. Loudness is proportional to the sound's loudness rating, e.g., two sones are twice as loud as one sone. See also: Phon.
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https://www.encyclo.co.uk/local/20687
noun a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold
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https://www.encyclo.co.uk/local/20974
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