noun Acoustics, Electronics.
a frequency between 15 Hz and 20,000 Hz, within the range of normally audible sound.
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- audio book,
- audio conference,
- audio description,
- audio disc,
- audio response,
- audio response unit,
- audio-lingual method
Origin of audio frequency
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for audio frequency
Use your audio-frequency transformer the other way around so as to step up to the grid.
First I would learn to use it as an audio-frequency amplifier.
In the case of Fig. 94 we are amplifying the audio-frequency current.
a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012