Electronics. designating an electronic apparatus using audio frequencies: audio amplifier.
of, relating to, or employed in the transmission, reception, or reproduction of sound.
of or relating to frequencies or signals in the audible range.
noun
Television.
the audio elements of television (distinguished from video).
the circuits in a receiver for reproducing sound.
the audio part of a television broadcast.
the field of sound recording, transmission, reception, and reproduction.
Origin of audio
First recorded in 1920–25; independent use of audio-
audio-
a combining form used in the formation of compound words, with the meanings: “sound within the range of human hearing” (audiometer); “hearing” (audiology); “sound reproduction” (audiophile).
"sound," especially recorded or transmitted, 1934, abstracted from prefix audio- (in audio-frequency, 1919, etc.), from Latin audire "hear" (see audience).
audio-
word-forming element meaning "sound, hearing," from comb. form of Latin audire "hear," (see audience); first used in English as a word-formation element 1913.
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