We all know there is a huge difference between music and noise. Music is something we like, it can be very inspiring, it can transmit a lot. Noise, conversely, is unbearable. As soon as we hear some noise we want to do something to stop it, or run away. Why, if they are both sounds?
The difference between sound and noise is in the world of physics. Sound moves by the air in waves, and these waves come from a source, from something that vibrates. Well, some sounds come from bodies moving in a stable way, with constant shakes; others come from bodies vibrating in more "messy" ways. As you may have already figured out, those sounds which come from bodies vibrating in steady ways are enjoyable for us; those which come from bodies vibrating in messy manners are noise.
Heptagrama, the web summed up.
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