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:
“It is a tale
Told by an idiot, full of sound and fury;
Signifying nothing.”
—William Shakespeare (1564–1616)
“I sound my barbaric yawp over the roofs of the world.”
—Walt Whitman (1819–1892)
“It’s precisely the disappointing stories, which have no proper ending and therefore no proper meaning, that sound true to life.”
—Max Frisch (1911–1991)
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