AUDIO

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Pertaining to or employed in the electronic transmission or reception of SOUND, such as in radio and television. The term is also used to refer to frequencies or signals in the audible range (see AUDIO FREQUENCY). Compare: INFRASONIC.

An audio signal refers to an ALTERNATING CURRENT signal or WAVEFORM which represents or is analogous to an acoustic signal, and which may be converted into an acoustic signal by means of a LOUDSPEAKER.

Compare: ACOUSTIC, AUDITORY, AURAL, ELECTROACOUSTIC, STEREOPHONIC. See also: SIGNAL.

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