Audio frequency
Audio frequency (AF) is a term used in telecommunications, signal processing, and audio engineering to describe the range of frequencies that can be perceived by the human ear. This range is typically between 20 Hz and 20,000 Hz, although this can vary depending on individual hearing abilities and environmental factors.
Overview[edit | edit source]
Audio frequency is measured in hertz (Hz), which is a unit of frequency equal to one cycle per second. It is named after the German physicist Heinrich Hertz, who made significant contributions to the study of electromagnetism.
The human ear is capable of detecting sounds in the audio frequency range, although sensitivity to different frequencies varies. The ear is most sensitive to frequencies between 2,000 Hz and 5,000 Hz, which is the range of most human speech.
Applications[edit | edit source]
Audio frequencies are used in a variety of applications, including music production, telecommunications, and audio engineering. In music production, audio frequencies are manipulated to create different sounds and tones. In telecommunications, audio frequencies are used to transmit voice signals over telephone lines. In audio engineering, audio frequencies are used in the design and construction of audio equipment, such as speakers and microphones.
See also[edit | edit source]
References[edit | edit source]
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