Sound: Quality of Sound

The video compares the sounds of fingernails on a chalkboard and music, highlighting music's pleasing quality. It explains that sound quality, or timber, depends on the blending of different pitches and frequencies. Music is contrasted with noise, which lacks a pleasing quality. Noise pollution is described as an abundance of unpleasant sounds causing stress. The video concludes by stating that sound quality is influenced by the interactions of sound waves.

What is the definition of noise according to the text?

Why is music considered to have a pleasing quality compared to other sounds?