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Definition of "Audio Frequency" |
A frequency corresponding to audible sound waves, and thus corresponds to a frequency between 20 Hz and 20 kHz. / [AF] The band of frequencies (approximately 20 Hz to 20 kHz) that, when transmitted as acoustic waves, can be heard by the normal human ear. / An audio frequency or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human. It is the property of sound that most determines pitch and is measured in hertz. / D-Subminiature is a common type of electrical connector. They are named for their characteristic D-shaped metal shield. When they were introduced, D-subs were among the smallest connectors used on computer systems. |
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