| infrasonic |
having frequencies below those of audible sound
출처: wordnet.princeton.edu/perl/webwn
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|---|---|
| infrasonic |
(in
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| infrasonic |
Referring to sound frequencies lower than those at the lower limit of average, unimpaired human hearing, about 16?0 Hz. Compare ultrasonic.
출처: amsglossary.allenpress.com/glossary/browse
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| infrasonic |
Sounds with frequencies below 20 Hz and, therefore, beyond the range of human hearing.
출처: science.education.nih.gov/supplements/nih3/hearing...
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| infrasonic |
A frequency of sound below the range audible to humans.
출처: www.peakagents.ca/glossary/i4.htm
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