audio frequency


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audio frequency:

see soundsound,
any disturbance that travels through an elastic medium such as air, ground, or water to be heard by the human ear. When a body vibrates, or moves back and forth (see vibration), the oscillation causes a periodic disturbance of the surrounding air or other medium that
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; radioradio,
transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment used, especially to the radio receiver.
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.
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audio frequency

[¦ȯd·ē·ō ¦frē·kwən·sē]
(acoustics)
A frequency that can be detected as a sound by the average young adult, approximately 15 to 20,000 hertz. Abbreviated af. Also known as sonic frequency; sound frequency.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

audio frequency

Any frequency of oscillation of a sound wave which is audible; usually in the range between 15 and 20,000 Hz (cycles per second).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

audio frequency

Frequencies between 15 Hz and 25 kHz, which are audible to the human ear.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

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 Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The first part of analysis is calculation of track line parameters at audio frequency. The second part is the investigation of impact of track line branches count and the length of separate sections on track circuit operating conditions.
NIST plans to transfer the frequency dependence data to the Farad Bank and other reference capacitance standards, so that in the near future, improved capacitance calibrations will be available from NIST for the entire audio frequency range.
The chokes also are parallel with a 10 [mu]F tantalum chip capacitor [C.sub.BYPASS] to achieve audio frequency bypassing.
"Arnia's technology is essentially a small device which monitors audio frequency signals produced within the hive and sophisticated algorithms which identify patterns and changes in bee behaviour.
The WMD laser works by detecting the audio frequency created by the beating of mosquito wings.
The 9234 AC/DC-coupled dynamic signal acquisition module offers selectable IEPE signal conditioning for engineers measuring high-accuracy audio frequency.
By comprising the features of adaptive output switching frequency and an audio frequency skip, both higher current and frequency can be reached as well as preventing noise interruption when the MBI6650 is activated.