| infrasonic |
Term applied to sound pitch too low to be heard by the human ear, that is, below 20 hertz.
출처: www.nksd.net/schools/nkhs/staff/john_daneau/cp_glo...
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| infrasonic |
Sounds or signals whose frequencies are below the normal human hearing range, about 20Hz, sometimes incorrectly called subsonic.
출처: www.dilettantesdictionary.com/index.php
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| infrasonic frequency |
Frequency lower than the nominal frequency range. Unit, hertz (Hz).
출처: users.aol.com/inceusa/glossary.html
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| infrasonic f. |
any frequency below the audio frequency range.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| infrasonic recorder |
A device that can be used to determine blood pressure by detecting and recording the subaudible oscillations of the arterial wall under an occluding cuff. The resulting values are comparable to those determined by use of an i
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