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Phon - Wikipedia Because the phon is a unit associated with a subjective percept, it is obtained by presenting the considered sound to a group of normal-hearing human listeners and by taking the median of the loudness levels they report
Loudness Units: Phons and Sones - HyperPhysics Using the rule of thumb for loudness, the sone scale was created to provide such a linear scale of loudness It is usually presumed that the standard range for orchestral music is about 40 to 100 phons
Phon | Sound Level, Decibel Acoustics | Britannica 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 perceived by listeners to be equally as loud as the sound being measured
PHON Definition Meaning | Dictionary. com 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 the judgment of a group of listeners, the two sounds are of equal loudness
PHON - Simon Fraser University It is important to realize that the phon is used only to describe sounds that are equally loud It cannot be used to measure relationships between sounds of differing loudness
Word Root: phon (Root) | Membean This word root is the word origin of a number of English vocabulary words, including micro phon e, phon e, and sax ophone An easy way to remember that phon means “sound” is through the word sym phon y, which is many instruments making a “sound” together
PHON definition in American English | Collins English Dictionary phon in American English (fɑn) noun 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 the judgment of a group of listeners, the two sounds are of equal loudness
Phon - definition of phon by The Free Dictionary 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
Phon - Oxford Reference The loudness in phons of a sound is defined as the intensity level in units of decibel sound pressure level (dB SPL) of a comparison pure tone of 1,000 hertz that is judged by the listener to be equally loud