[DOC] [TLE] Measuring Sound Intensity - Apple [PAR] Because the ear responds to sound pressure logarithmically, using a logarithmic 
scale ... Each unit on an audio meter represents an exponential increase in 
sound pressure, but a ... Some of these units are only applicable to older 
equipment. [DOC] [TLE] Decibel - Wikipedia [PAR] The decibel (dB) is a logarithmic unit used to express the ratio of two values of a 
physical quantity. One of these values is often a standard reference value, in 
which case the ..... Since logarithm differences measured in these units are used 
to represent power ratios and field ratios, the values of the ratios represented by 
each... [DOC] [TLE] Loudness - Wikipedia [PAR] Loudness is the characteristic of a sound that is primarily a psycho-physiological 
correlate of ... It is sometimes stated that loudness is a subjective measure, often 
confused ... vary with intensity, but perceived loudness of a complex sound 
depends on ... A sound of constant SPL will be perceived to increase in loudness 
as... [DOC] [TLE] Decibels - HyperPhysics [PAR] Decibels provide a relative measure of sound intensity. The unit is based on 
powers of 10 to give a manageable range of numbers to encompass the wide 
range... [DOC] [TLE] Loudness volume doubling sound level change factor of perceived ... [PAR] It's not easy to understand the relationship between these terms: There is the 
subjectively ... The decibel is a very convenient unit for measuring signal levels in 
electronic ... 10 dB more SPL means 10 times increase in amplifier (electric) 
power. ... The calculator answers: 12 dB level difference equals a sound intensity 
factor... [DOC] [TLE] INTENSITY OF SOUND [PAR] The unit of SL is called the decibel (abbreviated dB). ... This value of Io is the 
threshold (minimum sound intensity) of hearing at 1 kHz ... Another logarithmic 
measure of loudness is the sound pressure level defined as .... At 1 kHz, the 
loudness in Sones can be related to the SPL in decibels by the following ... 
increase in SPL. [DOC] [TLE] dB: What is a decibel? - School of Physics [PAR] The decibel ( dB) is used to measure sound level, but it is also widely used in 
electronics, signals ... The ratio may be power, sound pressure, voltage or 
intensity or several other things. ... If you keep on halving the power, you have 
these ratios. ... 10*log10(1.26) = 1, so to increase the sound level by 1 dB, the 
power must be... [DOC] [TLE] CHAPTER 4 INTENSITY 0F ULTRASOUND [PAR] Intensity is a measure of this energy. ... measurement, or using a relative scale. ... 
Using these units, intensity is expressed in joulesfsecondfsquare centimetre. ... 
The logarithmic scale used in the denition has the inherent mathematical ... 
Doubling the intensity corresponds to a 3 dB increase in relative intensity. These
... [DOC] [TLE] What is amplitude? - Indiana University Bloomington [PAR] A woodwind player may increase the amplitude of their sound by providing 
greater ... Amplitude is directly related to the acoustic energy or intensity of a 
sound. ... All three of these characteristics have their own related standardized 
measurements and ... The most common unit of measurement of force applied to 
an area for... [DOC] [TLE] Intensity  The Physics Hypertextbook [PAR] Pressure fluctuations caused by sound waves are much easier to measure. ... 
These look similar to the greater and less than symbols but they are taller and 
less pointy. ... of intensity is the watt per square meter  a unit that has no special 
name. ..... Most magnitude scales have a logarithmic basis, so that an increase in 
one... [DOC] [TLE] Lecture 1-2: Sound Pressure Level Scale [PAR] sound is a measure of how much power can be collected per unit area in watts ... 
the sound intensity must fall with the square of the distance to the source (since 
the ... surface area of the sphere increases with the square of its radius). ... 
However these are not spaced ... The dB SPL scale is a logarithmic ratio scale 
used to. [DOC] [TLE] How decibel sound level meters work - Explain that Stuff [PAR] Jun 10

Question: These units that measure the intensity of sound increase logarithmically
Answer: decibels