Audio

Audio most commonly refers to sound, as it is transmitted in signal form. It may also refer to:

==Sound== Audio signal, an electrical representation of sound Audio frequency, a frequency in the audio spectrum Digital audio, representation of sound in a form processed and/or stored by computers or digital electronics Audio, audible content (media) in audio production and publishing Semantic audio, extraction of symbols or meaning from audio Stereophonic audio, method of sound reproduction that creates an illusion of multi-directional audible perspective Audio equipment