phon


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phon

 (fŏn)
n.
A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone perceived to be as loud as the sound being measured.

[German, from Greek phōnē, sound; see phone1.]

phon

(fɒn)
n
(Units) a unit of loudness that measures the intensity of a sound by the number of decibels it is above a reference tone having a frequency of 1000 hertz and a root-mean-square sound pressure of 20 × 10–6 pascal
[C20: via German from Greek phōnē sound, voice]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.phon - a unit of subjective loudness
sound unit - any acoustic unit of measurement
sone - a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold
References in periodicals archive ?
Since the collapse of the regime in 1979, Chheng Phon has been advocating the restoration of Khmer culture and revitalization of the "spirit" of Cambodians.
Before the modifications to their home, Phon had to bathe him and fully support him up stairs.