The phon is a logarithmic unit of loudness level for tones and complex sounds. Loudness is measured in sones, a linear unit. Human sensitivity to sound is variable across different frequencies, so although …

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Loudness Units: Phons and Sones

phon, 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 1,000- hertz reference tone is adjusted until it is …

PHON definition: a unit for measuring the apparent loudness of a sound, equal in number for a given sound to the intensity in decibels of a sound having a frequency of 1000 cycles per second when, in …

Define phon. phon synonyms, phon pronunciation, phon translation, English dictionary definition of phon. n. A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone …

Phon = 40 + 10 log 2 (Sone) which is analogous to the relation between PNdB and the NOY. See: PERCEIVED NOISE LEVEL. Equal loudness contours for pure tones and normal threshold of …

Definition of PHON in the Definitions.net dictionary. Meaning of PHON. What does PHON mean? Information and translations of PHON in the most comprehensive dictionary definitions resource on …

A phon sound refers to a unit of loudness or perceived sound intensity, measured in a way that aligns with the human ear's sensitivity to different frequencies. Unlike decibels (dB), which measure sound …

3 meanings: a unit of loudness that measures the intensity of a sound by the number of decibels it is above a reference tone.... Click for more definitions.