audio frequency(redirected from 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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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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audio frequency[¦ȯd·ē·ō ¦frē·kwən·sē]
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.
Any frequency of oscillation of a sound wave which is audible; usually in the range between 15 and 20,000 Hz (cycles per second).
Frequencies between 15 Hz and 25 kHz, which are audible to the human ear.
a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear