Difference Between Sound and Noise

Sound vs Noise

Sound and Noise are two words that are often confused as words that give the same meaning. As a matter of fact both these words are to be understood with difference.

Sound is a sensation caused in the ear by the vibration of the surrounding air or other medium. It is clearly understood from the definition that vibrations cause the sensation called the sound.

A noise on the other hand is an unpleasant sound especially a loud one comprising of shouts too. Thus it is understood that there is unpleasantness about noise whereas there is no unpleasantness about sound.

On the other hand sound arises from musical instruments too and these sounds are pleasant for that matter. Noise cab be deafening at all times whereas sounds are not deafening always.

One of the main differences between sound and noise is that sound is desired whereas noise is mostly undesired. You do not normally like to hear the noise made in a classroom whereas you would like to hear the sounds arising from the frets of a lute or a guitar.

Another main difference between sound and noise is that sound is always relevant whereas noise is irrelevant. Sound is characterized by regular fluctuations of vibrations whereas noise is characterized by irregular fluctuations of vibrations.

It is interesting to note that the word ‘noise’ is derived from the Latin word ‘nausea’. On the other hand the word ‘sound’ is derived from the Latin word ‘sonus’. The word ‘sound’ is used in various fields such as music, film-making, speech and the like. On the other hand the word ‘noise’ is used in figurative expressions that convey the sense of undesirability and irrelevance.

Finally it can be said sound has a positive connation whereas noise has a negative connotation.

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