Only high frequency sounds like mating calls are heard in this way but low frequency noises can be detected through another mechanism.

The advantage of this " fingered " extension is that the player can adjust the intonation of all of the stopped notes on the extension, and there are no mechanical noises from metal keys and levers.

Beeping Easter eggs are Easter eggs that emit various clicks and noises so that the visually impaired children can easily hunt for Easter eggs.

They are also particularly sensitive to high-pitched noises and can hear and communicate in the ultrasonic range.

The basis of subtractive synthesis can be understood by considering the human voice ; when a human speaks, sings or makes other vocal noises, the vocal folds act as an oscillator and the mouth and throat as a filter.

Urban beaches attempt to mimic natural beaches with fountains that imitate surf and mask city noises, and in some cases can be used as a play park.

The director and critic René Clair writing in 1929 makes a clear distinction between film dialogue and film noise and very clearly suggests that noise can have meaning and be interpreted: "... it is possible that an interpretation of noises may have more of a future in it.

These children have difficulty in large crowds due to the loud noises and this can lead to tantrums due to hyperarousal.

For some, sounds can appear tinny or distorted, and patients can experience unusual sensitivity to noises.

When congregation members begin to nod off, Lovejoy can awaken them by pressing a button on the lectern which results in pre-recorded irritating noises.

And even though some parrots ( which are not songbirds ) can be taught to repeat human speech, vocal mimicry among birds is almost completely restricted to songbirds, some of which ( such as the lyrebirds or the aptly-named mockingbirds ) excel in imitating the sounds of other birds or even environmental noises.

Submarines tow long sonar arrays to detect ships, and can even recognise different propeller noises.

He can occasionally appear rather childlike, by making animal noises and gestures or by acting out how such an analogy cannot work, which sometimes annoys his Minister.

Significantly, the system does not rely on the hardness of the exoskeleton, as many other arthropod sounds do, meaning that the spiny lobsters can continue to produce the deterrent noises even in the period following a moult when they are most vulnerable.

I heard a lot of noises in my head, a lot of heat and from that day the man prayed for me my brain has become so clear, so I've been excited, wondering how quickly can I make a new record now I have my old brain back, it's a good brain, not the damaged brain that I had.

Sound interference can occur when the wireless collar-microphone picks up noises made by chain collars and collars with dog tags attached.

The article states that other things in their peripheral views can easily distract people who are in good moods ; an example of this would be if you were trying to study in the library ( considering you are in a positive mood ) you see people constantly walking around or making small noises.

American Crows can also produce a wide variety of sounds and sometimes mimic noises made by other animals, including other birds.

If a PA system's microphone picks up sounds from its own loudspeakers, and these sounds are re-amplified enough, the effect of this feedback can be loud squealing or howling noises from the loudspeakers.

" We will make informal friendly noises as soon as we can find out whom to talk with, and ought to recognize as soon as we ’ re sure these guys are firmly in the saddle.

One characteristic feature of microhouse is the use of sampling: extremely short (' micro ') samples of the human voice, musical instruments, everyday noises and computer created wave patterns are arranged to form complex melodies ( such as can be heard in Akufen's " Deck the House ").

She has also developed the ability to curl her body into a ball-like shape and roll around at a considerable speed like her cluster-lizard " relatives " in season three, and can also make noises like them.

Although this raises the overall sound pressure, masking can make irritating noises less distracting and add speech privacy.

He suggested that the school should be located away from disturbing noises ; the air quality should be good and there should be plenty of food for the students and teachers.

The floppy drive of the Commodore Amiga personal computer could be made to produce noises of various pitches, by making the drive heads move back and forth.

The " squealing " ( which is actually a sound that changes in pitch 100 times every second ) noises made by some modems with speaker output immediately after a connection is established are in fact the sounds of modems at both ends engaging in a handshaking procedure ; once the procedure is completed, the speaker might be silenced, depending on the settings of operating system or the application controlling the modem.

These may be things like seeing movement in peripheral vision, or hearing faint noises and / or voices.

For example, noises ( e. g., footsteps, or motor noises from record players and tape decks ) may be removed because they are undesired or may overload the RIAA equalization circuit of the preamp.

Using loud noises and waving large signals, Native peoples would drive bison in fenced pens to be killed with bows and arrows or spears, or drive them off a cliff ( called a buffalo jump or kill or injure the bison en mass.

The noises that some people believe to be telephone taps are simply crosstalk created by the coupling of signals from other phone lines.

Some problems with this method were that the receiver could be triggered accidentally by naturally occurring noises, and some people could hear the piercing ultrasonic signals.

A sensitive child may lose focus when a door slams, whereas a child less sensitive to external noises will be able to maintain focus.

The noises produced by the stomach were thought to be the voices of the unliving, who took up residence in the stomach of the ventriloquist.

The Hingham Catholic Church met in various locations including the upstairs of a saloon where bar noises could be heard during services.

The trend, however, became for records to be produced, usually with particular background noises, and no other group would attempt a version.

The story is considered by some to be an early account of the activity of a poltergeist, a mischievous spirit that makes noises unexplainable except by supernatural causes.

The water should be poured until the hissing noises stop.

In this adventure, Jack finds some men taking a prisoner to the empty old house. The seven decide to look into the mystery and make inquiries. They find out that someone is being held prisoner in the house. But who could it be and why is that someone making such weird noises?

:“‘ I do not wonder, that after you had suffered its terrors to impress your imagination, you fancied you saw specters, and heard wondrous noises .’ La Motte said.

Grobschnitt were known not only for their symphonic passages, suites and synthesiers, but also for the absurd humour and strange noises in their work, as heard on Ballerman ( 1974 ) and Rockpommel's Land ( 1977 ).

On the evening of August 6, at about 9. 30 pm, his rental agent, George Kraslow, heard noises coming from across the hallway.

Brown rats also produce communicative noises capable of being heard by humans.

The most frequently heard noises made by the Philippine Eagle are loud, high-pitched whistles ending with inflections in pitch.

Sadie, frightened because she heard noises, is waiting in Davidson's room.

He heard noises from the next block, too, where the inevitable dog was barking.

Hanssen also believed he was hearing noises on his car radio that indicated his car was bugged, although the FBI was later unable to reproduce the noises Hanssen claimed to have heard.

* The DS version of Michael Jackson: The Experience has a copy protection system where vuvuzela noises are heard as the music is playing, no visible notes, making the game impossible to play, & the game freezing upon the player pausing it.

Arnold informs Masklin that his grandfather and his brother guessed there were nomes in the store because they heard noises at night.

and claims of a corpse matching the Jersey Devil's description arose in 1957, In 1960 tracks and noises heard near Mays Landing were claimed to be from the Jersey Devil.

Inside the fort, gun noises and sword clanking are heard in the back as the boats climb up a large lift hill used to haul cargo throughout the building.

* physiological noises heard when ear is occluded by an earphone during minimal audible pressure measurements.

The Brown Skua's call is a harsh hah-hah-hah-hah ; quacking and croaking noises have also been heard.

No one answered, yet they heard noises from a person.

Three weeks before the actual eruption, rumbling noises that resembled thunder were heard by people near Parícutin village.

When feeding, sloth bears make loud huffing and sucking noises, which can be heard over 100 metres away.

John B. Watson, after observing children in the field, was interested in finding support for his notion that the reaction of children, whenever they heard loud noises, was prompted by fear.

It is difficult to verbally describe these noises, but they range from hisses and explosive cries when threatened to rhythmical braying and trumpeting sounds that can be heard from long distances at sea.