audio frequency

noun

Acoustics, Electronics.

1. a frequency between 15 Hz and 20,000 Hz, within the range of normally audible sound.

audio frequency

noun

1. a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear

Word History and Origins

Origin of audio frequency¹

First recorded in 1910–15