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Sound intensity or acoustic intensity can be calculated from the objective measurement of the sound pressure.

The loudness is a psycho-acoustic subjective feeling, which is difficult to measure.

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What is the relationship between sound intensity level and the perception of loudness?

The relationship between sound intensity level and the perception of loudness is that as the sound intensity level increases, the perception of loudness also increases. This means that the louder the sound, the more intense it is perceived to be by our ears.


How loudness of sound changes?

The loudness of sound is typically measured in decibels (dB) and is influenced by the intensity of the sound wave. As the intensity of a sound increases, the loudness also increases, resulting in a perception of the sound being louder. The relationship between intensity and perceived loudness is not linear, as the human auditory system follows a logarithmic response to changes in sound intensity.


What is the relationship between the distance from the source and loudness?

The relationship between distance from the source and loudness is that as distance increases, the sound intensity decreases, resulting in lower perceived loudness. This follows the inverse square law, meaning that the sound intensity is inversely proportional to the square of the distance from the source.


What is the relationship between the intensity of a sound wave and its perceived loudness?

The intensity of a sound wave is directly related to its perceived loudness. Higher intensity sound waves are perceived as louder, while lower intensity sound waves are perceived as quieter. This relationship is due to the way our ears and brain interpret the energy carried by the sound waves.


How are the sound intensity and loudness related?

Sound intensity is a physical quantity that measures the amount of sound energy passing through a unit area, expressed in watts per square meter. Loudness, on the other hand, is a perceptual response to sound intensity and is subjective. In general, as sound intensity increases, the perceived loudness also increases. However, the relationship between intensity and loudness is not linear but follows a logarithmic scale.


Is the loudness of a sound is called its intensity?

Yes the loudness of a sound is called its intensity.


How loudness is proportional to the square of the amplitude?

The perceived loudness of a sound is related to the square of the sound wave's amplitude because our ears perceive sound intensity logarithmically. This means that a sound wave with double the amplitude will not be perceived as double the loudness, but rather as four times the loudness due to the exponential relationship between amplitude and perceived loudness.


What is the relaationship between loudness and sound intensity?

Loudness is the colloquial term and intensity is the scientific term. More the intensity higher the loudness. Same way in case of light, higher the intensity of radiation, we call colloquially that as more brightness.


The loudness of a sound wave is determined by its?

By its amplitude. Really loudness is sound intensity & intensity depends on square of amplitude ie. higher the amplitude higher the intensity which means higher the loudness.


What is different between loudness and intensity?

Loudness of sound: Loudness is that characteristic of sound by which we can distinguish between a loud and a faint sound.It depends upon amplitude, area of vibrating body, intensity and condition of ear. Intensity of sound: Sound energy flowing per second through a unit area held perpendicularly to the direction of sound waves is called the intensity of sound.Its unit is W/m2.


Who discover loudness?

The concept of loudness in sound perception was discovered by Ernst Heinrich Weber, a German physician and anatomist, in the 19th century. Weber's research on the relationship between physical sound intensity and perceived loudness paved the way for understanding human auditory perception.


What is loudness of sound determined by?

The loudness of sound is determined by the amplitude or intensity of the sound wave. Greater amplitude or intensity results in a louder sound. The unit used to measure loudness is decibels (dB).