I. ˈȯdēˌō adjective
Etymology: audio-
1. : of or relating to acoustic, mechanical, or electrical frequencies in the range of audible sound
audio signal
audio amplifier
audio transformer
2.
a. : of, relating to, or dealing with sound
audio waves
audio research
a new audio book
b. : relating to or used in the reproduction of sound (as in high-fidelity equipment)
an audio set
c. : relating to or used in the transmission or reception of sound (as in radio or television)
audio components of a television set
— compare video
3.
a. : marked by special interest in and usually a technical knowledge of the mechanics of sound, especially its transmission, reception, and reproduction
audio experts
audio enthusiasts
b. : specializing in the manufacture, distribution, sale, or promotion of audio equipment
an audio supply house
an audio fair
4. : of or relating to high fidelity
a disc that pleases any audio connoisseur
a tape meeting exacting audio standards
II. noun
( -s )
1. : the transmission, reception, or reproduction of sound especially in high fidelity
2.
a. : the section of television equipment used to supply sound : electronic equipment primarily designed to handle signals of an audible frequency
b. : the part of an electric or acoustic signal that falls in the audible frequency spectrum