| audio frequency |
A form of acoustical energy that can be detected as sound by the human ear. The range of audio frequencies extends from 20-20000 cycles per minute.
출처: www.thevietnam-database.co.uk/Platoons/RTO/Rtoglos...
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| audio frequency |
The range of frequencies audible to the human ear. Usually 20-20,000 Hz.
출처: www.leedan.com/IN-010.htm
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| audio frequency |
That range of frequencies, typically 1 to 20,000 hertz, that the human ear can audibly detect, or can be received with an electronic device.
출처: www.mesinnovations.com/explanations/terminology.ht...
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