Low Frequency facts

While investigating facts about Low Frequency Sound and Low Frequency Hearing Loss, I found out little known, but curios details like:

Sharks love heavy metal because the low-frequency vibrations are similar to the sounds made by struggling fish

how low frequency can you hear?

The human ear can't tell where low frequencies come from, so that is why subwoofers can be hidden in home theaters or in trunks of cars.

What's low frequency?

In my opinion, it is useful to put together a list of the most interesting details from trusted sources that I've come across answering what low frequency wave. Here are 50 of the best facts about Low Frequency Tinnitus and Low Frequency Noise I managed to collect.

what's low frequency sound?

Supposedly haunted locations share a similar low-frequency sound that can cause fear and panic in humans
The iconic THX sound that plays before trailers isn't actually very loud, it just feels loud because it contains a spectrum of frequencies that go from low to high.
Infrasound - a low-frequency sound (19Hz and below) that cannot be heard, but literally unsettles human beings. Some horror movie music composers use this sound to make audiences feel dread just before disturbing or scary images appears on the screen.
The low frequency of a cat's purr causes vibrations inside their body that eases breathing, heal injuries, builds muscle, while acting as a form of pain relief. Cat owners are at 40 percent lower risk of a heart attack after interacting with cats and hearing their soft purrs.
Vic Tandy and the “fear frequency.” Tandy and his coworkers at the Warwick Laboratory, experienced "ghost" sightings with feelings of fear and depression. He discovered that a new extractor fan was emitting soundwaves at low frequencies known as infrasound, which causing the disturbance.
Tigers cannot purr. To show friendliness they use chuffing. A soft, low-frequency snorting similar to purring in smaller cats, is heard in more friendly situations. Other vocal communications include grunts, woofs, snarls, miaows, hisses and growls
Giraffes hum at night. According to audio recordings of giraffes taken at three European zoos, the long-legged animals sometimes produce "a low-frequency vocalization with a rich harmonic structure and of varying duration" at night.
Cat purring has the ability to aid in cat and human healing of broken bones, joint and tendon repair, and wound healing due to purring at a low frequency between 25 and 140 Hz.
Cats embed a high-frequency "cry" within their naturally low-pitched purr in order to exploit their owners
Porpoises produce low frequency sounds that are used for communication.

low frequency facts — What is a low frequency sounder?

Low Frequency data charts

For your convenience take a look at Low Frequency figures with stats and charts presented as graphic.

low frequency fact data chart about Seaglass Approx. Frequency Distribution by Color. Recovered — Seaglass Approx. Frequency Distribution by Color. Recovered by me from North Beach in Port Townsend, WA after ten minutes of uniform sampling ofa small area of the aggregate at low

Why low frequency sound travels further?

You can easily fact check why low frequency hearing loss in meniere's disease by examining the linked well-known sources.

Low frequency sounds we subconsciously perceive induce fear, anxiety, and odd sensations that we attribute to the supernatural. It is adaptive because these sounds are often linked to impending natural disasters/danger.

The Bloop is an ultra-low-frequency and extremely powerful underwater sound, probably produced by icequakes in large icebergs, or large icebergs scraping the ocean floor. - source

Green lacewings produce song of ultra-low frequency by vibrating their abdomens. Song is an important part of courtship during the spring and summer.

Tim Storms, the man with the lowest voice in the world; his voice is so low that he cannot himself hear the lowest frequency sounds that his vocal cords can produce.

Elephants can communicate with each other using a sound frequency too low for the human ear to perceive. This infrasonic communication is used to coordinate pack behaviour and can be heard by other elephants up to 5km away. - source

When the wavelength is long the frequency is low?

T-Rex couldn't roar like most people think. Instead, it did something called closed-mouth vocalization, where it made these low-frequency booming sounds that could travel for miles.

How low frequency for subwoofer?

Sand in the Sahara makes ultra low frequency humming noises when stepped in, moved, or compressed similar in sound to a wet towel wiping across a window. It's so low in frequency that you need special microphones to hear it.

Infrasound can cause phenomena that people typically associate with ghosts. The sound waves may vibrate the human eye, causing people to see things that are not there. Usually, these waves have frequencies of less than 20 Hz, so they are too low-pitched for people to actually perceive.

Giraffes do communicate, but the frequency is so low people cannot hear it.

Sei whales produce low-frequency, growl-like calls for communication.

Exposing astronauts to sound frequencies similar to those of a cat's purr could prevent bone loss caused by low gravity

Interesting facts about low frequency

Trees can grow resistant to wildfires. By developing a thicker bark, the living tissues that transport water and nutrients is protected from heat damage during high-frequency, low-intensity fires.

A 2010 study found that a low frequency of sexual activity is associated with an increased risk of heart disease

Between the 3rd and 4th quarter of the University of Wisconsin football games the song Jump Around is played (Goog: U Wisconsin Jump Around). In 2006, the Student Geophysical Society of U Wisc used the jumping of 25,000 students as a low-frequency source for 2D Reflection Seismic Sounding.

Elephants can communicate over distances of up to 10 miles by producing low frequency seismic waves.

How low frequency can humans hear?

Males travel up to 4 miles to reach display grounds. They dig bowl-shaped depressions in the ground and emit loud low-frequency booming calls and high-pitched metallic calls to attract females.

Infrasound is an extremely low frequency between .1 -20Hz. It is so low, that humans cannot hear it without the aid of electronic equipment, but can feel it

Listening to certain low-frequency sounds can induce an altered state of consciousness.

To keep their records cheap the "Hit of the Week" record label pressed their records on resin coated paper, but apart from a low frequency rumble, the quality was equal to that of standard records

A US court ruled that Navy sonar harms whales and dolphins. The low frequency sounds travel hundreds of miles and are found in 70% of the worlds oceans, which interrupts marine animals, can disturb communication and mating, and can separate mothers and calves.

The majority of ghost sightings are caused by a low frequency noise called infrasound, which distorts human perception.

Sound waves can be propagated in space, if there are enough particles to carry the pressure wave. As space is usually not very dense, the resulting sounds typically have very low frequencies, below human hearing.

Submarines use a variety of communication techniques however it is impossible to transmit sound in the same way it is done above the water. Submarines use VLF (very low frequency), ELF (extremely low frequency), burst transmission, sonar telephone and other methods to communicate with other submarines underwater and non-submerged vessels above the surface.

China built an antenna that emits extremely low frequency radio waves. It spans an area of almost 5 times the size of New York.

Yang Yongxin is currently still 'treating' minors for internet addiction with low-frequency pulse therapy, allegedly more painful than the electro-shock therapy he's only recently been forced to stop using.

The Hum, a phenomenon involving widespread reports of a persistent and invasive low-frequency humming, rumbling or droning noise not audible to all people and with no known cause.

Scientists were observing stress levels of whale by analyzing their poop and found that their stress dropped down immediately following the 9/11 attacks. This was due to all ship traffic being halted which quieted the oceans of low frequency noise which whales use to communicate.

We think our voices sound lower than they actually are because flesh transmits low sound frequencies better than high frequencies

Giraffes are able to hum; a low frequency humming of 92 hertz was recorded coming from the giraffe enclosures at 3 zoos. You can hear a 20 sec. recording in this article.

Elephants can communicate using low frequency seismic vibrations and use their feet and trunks to detect calls from other elephants several kilometres away

This is our collection of basic interesting facts about Low Frequency. The fact lists are intended for research in school, for college students or just to feed your brain with new realities. Possible use cases are in quizzes, differences, riddles, homework facts legend, cover facts, and many more. Whatever your case, learn the truth of the matter why is Low Frequency so important!