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:
“The hills are alive with the sound of music, with songs they have sung for a thousand years.”
—Oscar Hammerstein II (1895–1960)
“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)
“Music is a good thing; and after all that soul-butter and hogwash, I never see it freshen up things so, and sound so honest and bully.”
—Mark Twain [Samuel Langhorne Clemens] (1835–1910)