You searched for: “audio frequencies”
audio frequency, audio-frequency (s) (noun); audio frequencies; audio-frequencies (pl)
A sound frequency between 20 and 20,000 cycles per second, or hertz: Audio frequency refers to the frequency of oscillation able to be detected by the ear of a human.

Audio-frequencies are those of electrical, sound, or other wave vibrations coming within the range of normal human hearing.

This entry is located in the following units: audio-, aud-, audi-, audit- + (page 1) frequen-, frequent- (page 1)