Scientific unit of measure for sound loudness.
The phon is a unit of loudness level for pure tones. Its purpose is to compensate for the effect of frequency on the perceived loudness of tones. The phon was proposed in DIN 45631 and ISO 532 B by S. S. Stevens. ==Definition== By definition, the number of phon of a sound is the dB SPL of a sound at a frequency of 1 kHz that sounds just as loud. T...Found on http://en.wikipedia.org/wiki/Phon
1) A unit of equal loudness for all audio frequencies.
2) The phon is numerically equal to dBspl at 1000 Hz but varies at other frequencies according to ear sensitivity to frequency.
Found on http://www.encyclo.co.uk/local/20447
a unit of subjective loudnessFound on https://www.encyclo.co.uk/local/20974
A unit of apparent loudness, equal in quantum to the intensity in decibels of a 1,000 Hz tone estimaFound on http://www.superglossary.com/Glossary/Technology/Home_Audio/
A unit of apparent sound level or loudness which takes account of the variable human sensitivity to different frequencies.Found on http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
phon The unit of loudness level on a scale beginning at zero for the faintest audible sound and corresponding to the decibel scale of sound intensity with the number of phons of a given sound being equal to the decibels of a pure 1000-cycle tone judged by the listener to be equally loud.Found on http://www.wordinfo.info/words/index/info/view_unit/2737/9
The phon is the unit of loudness.Found on http://www.probertencyclopaedia.com/browse/GP.HTM
The unit of measurement for loudnes level. See also: Equal Loudness Contour, Loudness, Sone, Zwicker Loudness.Found on http://www.diracdelta.co.uk/science/source/p/h/phon/source.html
Type: Term Pronunciation: fōn Definitions: 1. A unit of loudness of sound.Found on http://www.medilexicon.com/medicaldictionary.php?t=68337
unit of loudness level, judged or calculated as specified in definition of 'loudness level' or definition of 'calculated loudness level'Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=801-29-07
unit of loudness level. The loudness level of a sound is a subjective, rather than an objective, measure. To measure loudness, the volume of a ... [2 related articles]Found on http://www.britannica.com/eb/a-z/p/59
unit of loudness of sound as heard by listenersFound on http://phrontistery.info/p.html
Unit of loudness, equal to the value in decibels of an equally loud tone with frequency 1,000 Hz. The higher the frequency, the louder a noise sounds for the same decibel value; thus an 80-decibel tone with a frequency of 20 Hz sounds as loud as 20 decibels at 1,000 Hz, and the phon value of both tones is 20. An aircraft engine has a loudne...Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0019457.html
- a unit of subjective loudnessFound on http://www.webdictionary.co.uk/definition.php?query=phon
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