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:
“Alex: I don’t mean to sound like a snob.
Cory: You couldn’t sound like anything else.”
—Blake Edwards (b. 1922)
“The sound of a kiss is not so loud as that of a cannon, but its echo lasts a great deal longer.”
—Oliver Wendell Holmes, Sr. (1809–1894)
“The sound of laughter is like the vaulted dome of a temple of happiness.”
—Milan Kundera (b. 1929)
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