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)
“When the sheep are in the fauld, and the kye at hame,
And a’ the warld to rest are gane,
The waes o’ my heart fa’ in showers frae my e’e,
While my gudeman lies sound by me.
Young Jamie lo’ed me weel, and sought me for his bride;”
—Lady Anne Lindsay (1750–1825)
“Sound, sound the clarion, fill the fife!
Throughout the sensual world proclaim,
One crowded hour of glorious life
Is worth an age without a name.”
—Thomas Osbert Mordaunt (1730–1809)