Audio most commonly refers to
sound
In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid.
In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the br ...
, as it is transmitted in signal form. It may also refer to:
Sound
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Audio signal
An audio signal is a representation of sound, typically using either a changing level of electrical voltage for analog signals or a series of binary numbers for Digital signal (signal processing), digital signals. Audio signals have frequencies i ...
, an electrical representation of sound
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Audio frequency, a frequency in the audio spectrum
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Digital audio
Digital audio is a representation of sound recorded in, or converted into, digital signal (signal processing), digital form. In digital audio, the sound wave of the audio signal is typically encoded as numerical sampling (signal processing), ...
, representation of sound in a form processed and/or stored by computers or digital electronics
*Audio, audible
content (media) in audio production and publishing
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Semantic audio, extraction of symbols or meaning from audio
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Stereophonic audio, method of sound reproduction that creates an illusion of multi-directional audible perspective
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Audio equipment
Entertainment
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AUDIO (group), an American R&B band of 5 brothers formerly known as TNT Boyz and as B5
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''Audio'' (album), an album by the Blue Man Group
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''Audio'' (magazine), a magazine published from 1947 to 2000
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Audio (musician), British drum and bass artist
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"Audio" (song), a song by LSD
*"Audios", a song by Black Eyed Peas from ''
Elevation
The elevation of a geographic location (geography), ''location'' is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational equipotenti ...
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Computing
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HTML audio, identified by the tag
See also
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Acoustic (disambiguation)
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Audible (disambiguation)
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Audiobook
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Radio broadcasting
Radio broadcasting is the broadcasting of audio signal, audio (sound), sometimes with related metadata, by radio waves to radio receivers belonging to a public audience. In terrestrial radio broadcasting the radio waves are broadcast by a lan ...
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Sound recording and reproduction
Sound recording and reproduction is the electrical, Mechanical system, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of ...
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Sound reinforcement
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