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Phon vs. Bel

Phon and Bel Definitions

Phon

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.

Bel

Ten decibels.

Phon

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

Bel

A measure of relative power, defined as log10(P 1/P 2), where P1 and P2 are the measured and reference power respectively.

Phon

A unit of subjective loudness

Bel

The Babylonian name of the god known among the Hebrews as Baal. See Baal.
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Bel

A thorny rutaceous tree (Ægle marmelos) of India, and its aromatic, orange-like fruit; - called also Bengal quince, golden apple, wood apple. The fruit is used medicinally, and the rind yields a perfume and a yellow dye.

Bel

A unit of sound intensity equal to ten decibels.

Bel

A logarithmic unit of sound intensity equal to 10 decibels

Bel

Babylonian god of the earth; one of the supreme triad including Anu and Ea; earlier identified with En-lil

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