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audio frequency

noun, Acoustics, Electronics.
a frequency between 15 Hz and 20,000 Hz, within the range of normally audible sound.
Origin of audio frequency
1910-15 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for audio frequency
  • When they applied an electric current with an audio frequency to the sheets, the sheets broadcast the sounds loud and clear.
  • The sensors are modulated with a unique audio frequency.
  • The loaded system gives fundamental mode resonances in the audio frequency band at approximately half a wavelength.
British Dictionary definitions for audio frequency

audio frequency

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
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