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The intensity of sound pressure is measured in decibels. dB. Named after Bell the inventor of the telephone, and founder of the Bell Laboratories. This is a ratio, and is a non-SI unit - an associated or derived unit.

One Bel is a sound that sounds twice as loud as another, and equals 10 decibels. Note that as this is named after a person, the 'bel' part is capitalized, e.g. dB.

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Rollin Carter

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3y ago

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How is loudness measured and what units are used to quantify it?

Loudness is measured in decibels (dB), which quantify the intensity of sound. A sound level meter is typically used to measure loudness, with higher decibel values indicating louder sounds.


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Units used to measure loudness are Sone (loudness N) and Phon (loudness level L). Scroll down to related links and look at "Loudness - Wikipedia" and "Sound level change and the change of the respective factor of volume and loudness".


What unit is used to measure sound and loudness?

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What could you use to measure the loudness of the sound?

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Is used to measure the loudness of sound?

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The unit of relative loudness is the sone. The unit for absolute loudness, or loudness level, is the phon. Both relative and absolute loudness are perceptual measures that vary from person to person.The unit used to measure sound pressure is the dB (decibel). Since dB measures the power of a sound wave, a physical characteristic, it is not a perceptual measure but a scientific one (thus perception of the sound has no effect on it).Read more: What_is_the_unit_of_relative_loudness


Which unit is used to measure the loudness of common sound?

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What kind of evaluation is done to measure the ability to hear and understand speech sounds based on their pitch and loudness?

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What is a unit used to measure the loudness of a sound?

it is a respect for our culture and nation :)