Sound
Similarly, a source of sound can have many different frequencies mixed. A musical tone's timbre is characterized by its harmonic spectrum. Sound in our environment that we refer to as noise includes many different frequencies. When a sound signal contains es, distributed equally over the audio spectrum, it is called white noise.
Read more about this topic: Frequency Spectrum
Famous quotes containing the word sound:
“my gentle-hearted Charles, to whom
No sound is dissonant which tells of Life.”
—Samuel Taylor Coleridge (1772–1834)
“Content thee, howsoe’er, whose days are done;
There lies not any troublous thing before,
Nor sight nor sound to war against thee more,
For whom all winds are quiet as the sun,
All waters as the shore.”
—A.C. (Algernon Charles)
“Close friends contribute to our personal growth. They also contribute to our personal pleasure, making the music sound sweeter, the wine taste richer, the laughter ring louder because they are there.”
—Judith Viorst (20th century)