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What is the difference between sound intensity and loudness?
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written 3.5 years ago by
teamques10
★ 68k
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| Sound Intensity | Loudness |
|---|---|
| Sound intensity is a property of the sound source. | Loudness depends on the sound source, the medium and the receiver, as well. |
| Sound intensity holds a small significance in problems involving human hearing system | Loudness is a very important property to consider in human hearing system problems. |
| Sound intensity is measured in Watt per square-meter | Loudness is measured in Sones |
| The sound intensity is directly proportional to the square of the amplitude of sound wave. | It depends on amplitude. If the amplitude is high, the loudness also will be high. |
| 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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