[DOC] [TLE] Measuring Sound Intensity - Apple [PAR] The decibel measures sound pressure or electrical pressure (voltage) levels. It is a logarithmic unit that describes a ratio of two intensities, such as two different sound pressures, two different voltages, and so on. A bel (named after Alexander Graham Bell) is a base-ten logarithm of the ratio between two signals. [DOC] [TLE] Bell unit | Article about Bell unit by The Free Dictionary [PAR] The decibel is a measure of sound intensity as a function of power ratio, with the 
... cable and equipment performance and named after Alexander Graham Bell,... [DOC] [TLE] A Decibel, Named For Alexander Graham Bell, Is The... | Chegg.com [PAR] Answer to A decibel, named for Alexander Graham Bell, is the smallest increase 
... In psychics, it is shown that when two sounds of intensity I1 and I2 (watts/cm)... [DOC] [TLE] What is decibel? Its Nature and History - Sizes [PAR] Dec 9, 2014 ... ... Graham Bell. For examples of noise levels in dB, see noise. ... The bel is 
named for Alexander Graham Bell (1847-1922). The decibel is not... [DOC] [TLE] decibel | unit of measurement | Britannica.com [PAR] The term bel is derived from the name of Alexander Graham Bell, inventor of the 
... The intensity of sound is measured and reported in decibels (dB), a unit that... [DOC] [TLE] sound intensity | physics | Britannica.com [PAR] When this ratio is 10, the difference in intensity of the sounds is said to be one bel
, a unit named in honour of the United States inventor Alexander Graham Bell. [DOC] [TLE] Acoustics Chapter One: What is Amplitude? | page 4 [PAR] While power is measured in watts, the most-used acoustic measurement for 
intensity is the decibel (dB). Named in honor of Alexander Graham Bell, a decibel
... [DOC] [TLE] The Decibel Scale - ISLE [PAR] Amplitude is usually measured in decibels. A decibel (dB) is 1/10 of a bel, which 
is a unit of sound intensity named in honor of Alexander Graham Bell. [DOC] [TLE] Decibel - Wikipedia [PAR] The decibel (dB) is a logarithmic unit used to express the ratio of two values of a 
physical ... One decibel is one tenth of one bel, named in honor of Alexander 
Graham Bell; however, the bel is seldom used. Today, the decibel is ..... The 
decibel is commonly used in acoustics as a unit of sound pressure level. The 
reference... [DOC] [TLE] DOSITS: Introduction to Decibels [PAR] The unit for intensity is the bel, named in honor of Alexander Graham Bell, the ... 
For that reason, sound intensity levels are defined in decibels (written as dB). [DOC] [TLE] How are noise levels measured in decibels? | Reference.com [PAR] The decibel (dB) is the unit used to measure the intensity (I) of sound or noise 
level, and it is ... The Bel was named in honor of Alexander Graham Bell, the inve. [DOC] [TLE] Decibel - Engineering ToolBox [PAR] Most signal systems - like sound power or sound intensity, human speech, sonar, 
... A decibel is one-tenth of a Bel - named after Alexander Graham Bell, the... [DOC] [TLE] Alexander Graham Bell  - Applied Technology Institute [PAR] Aug 2, 2011 ... Posts Tagged Alexander Graham Bell ... times, a unit the Bel, as so named by 
its celebrated devisor whose name it bears, Alexander ... For instance, the power 
per unit area, the Sound Intensity Level, SIL, of a quiet whisper... [DOC] [TLE] Decibel - NDE/NDT Resource Center [PAR] where: DI is the difference in sound intensity expressed in decibels (dB), P1 and 
P2 ... at Bell Telephone Laboratories and named for Alexander Graham Bell. [DOC] [TLE] Logarithms and Decibels. The Decibel Named for Alexander ... [PAR] The Decibel Named for Alexander Graham Bell. ... 10 Calculating dB SPL 
differences Any sound pressure can be expressed as dB SPL by comparing the 
sound... [DOC] [TLE] Logarithmic Models Here are some of the many places logarithms ... [PAR] Richter Scale (measurement of intensity of an

Question: This measure of sound intensity is named for Alexander Graham Bell
Answer: Decibel