-
Infrasound,
sometimes referred to as low
frequency sound or
incorrectly subsonic (subsonic
being a
descriptor for "less than the
speed of sound"), describes...
-
Infrasound is
sound at
frequencies lower than the low
frequency end of
human hearing threshold at 20 Hz. It is known, however, that
humans can perceive...
-
ultrasound and are not
audible to humans.
Sound waves below 20 Hz are
known as
infrasound.
Different animal species have
varying hearing ranges,
allowing some to...
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increase intelligibility by
condensing them and
raising the
frequency from
infrasound to a more
audible and
reproducible range. The
following previously unidentified...
-
including animal attacks, hypothermia, an avalanche,
katabatic winds,
infrasound-induced panic,
military involvement, or some
combination of
these factors...
- with
electronic brains to help him
sabotage the SST1
project by
means of
infrasound (sound
waves with too low
frequency to be
detected by the
human ear) which...
-
genre conventions. In a
study by
Medes et al.,
prolonged exposure to
infrasound and low-frequency
noise (<500 Hz) in long
durations has an
effect on vocal...
-
addition to the
detection signaling circuit. The
infrasound detector works by
detecting infrasound, or
sound waves at
frequencies below 20 Hz. Sounds...
-
yield of 400–500
kilotonnes of TNT (1.7–2.1 petajoules),
estimated from
infrasound and
seismic measurements. This was
approximately 30
times as much energy...
- ISSN 1741-7007. PMC 8210382. PMID 34134675. "Mystery of
elephant infrasounds revealed". ScienceDaily.
Retrieved 2023-02-15. Joyce,
Hoope (January...
