You searched for: “audio frequency”
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)
Word Entries containing the term: “audio frequency”
audio-frequency meter (s) (noun), audio-frequency meters (pl)
Any of various instruments used to measure the frequencies of sound waves that are audible to the human ear: Linda learned in her engineering class that one type of audio-frequency meters was a resonant-reed frequency meter.
This entry is located in the following unit: audio-, aud-, audi-, audit- + (page 2)
audio-frequency range, audio range (s) (noun); audio-frequency ranges; audio ranges (pl)
The portion of the acoustic energy spectrum: The audio-frequency range is from about 20 to 20,000 vibrations per second, or that which can be detected by a human with normal hearing:
This entry is located in the following unit: audio-, aud-, audi-, audit- + (page 2)