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 …

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 …

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 …

Shop a wide selection of cell phones and accessories with free shipping and returns on eligible items at Amazon.

Nov 4, 2025 · Google’s official phone calling app is now available to download for the first time. Phone helps you easily connect with family and friends, block spam callers, and know who’s …

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 …

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 …

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....

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 …

A phon is a unit of perceived loudness level for pure tones. It is numerically equal to the sound pressure level in decibels (dB) of a 1 kHz tone that is perceived as equally loud.