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Infrasound hazards for the environment and the ways of protection www ndt net/article/ultragarsas/Vol 64-No 3-2009_06-Guzas pdf low-frequency sounds or infrasound are of negative action: sound at the frequency of 37 Hz notable that we can feel very low and high sounds, beyond
INFRASOUND - National Toxicology Program ntp niehs nih gov/ntp/htdocs/chem_background/exsum pdf /infrasound_508 pdf 69 records environmental infrasound and accompanying higher frequency sound levels in community settings Thus, this currently used beyond testing
13 Psychoacoustics - Springer link springer com/content/ pdf /10 1007 2F978-0-387-30425-0_13 pdf the absolute sensitivity of the auditory system for detecting weak sounds and how that sensitivity varies with frequency; the frequency selectivity
Auditory Frequency Resolution in Human Infancy faculty washington edu/lawerner/IHL/page11/files/spetner-wernerolsho90 pdf 1,000, or 4,000 Hz Both the sensation level and the sound pressure level of the stimulus were varied the masker intensity increases beyond a cer-
Airspace: Speed of Sound Grades 9-12 - NASA www nasa gov/sites/default/files/atoms/files/speed_of_sound_9-12 pdf Many animals can detect a wider range of sound frequencies than humans can Near and beyond the speed of sound, about 330 m/s or 760 mph, small
BackDoor: Making Microphones Hear Inaudible Sounds synrg csl illinois edu/papers/backdoor_mobisys17 pdf high frequency sounds can be designed to become record- cay beyond 4kHz for voice and music explains the per- formance plots
frequencies, sound pressure levels (SPLs), exposure periods, and distances from the source of sound decreased when the SPL and frequency went beyond
The eye is a mechanical structure capable of sound excitation under certain an acoustic lens for the ear, passing frequencies beyond the impedance-matching