Sentences with phrase «sound at each frequency»

Sounds at that frequency can travel long distances — useful for night - time communications.
Dolphins can produce sound at frequencies up to 200 kilohertz — around 10 times as high as the highest pitch we can hear — and can also shift a signal's pitch or stretch it out over a long period of time.
Sound at that frequency is typically inaccessible.
To separate the speech of multiple talkers or to recognize one person's speech, computers represent the sound signal by its spectrum — the energy in the sound at each frequency.
When batteries run low, the devices often emit alert or alarm sounds at frequencies that can be painful and frightening to many pets.
Ultrasound refers to sounds at frequencies above 20 kilohertz.
Bi-laminate polymer cones, silk dome tweeters and premium crossovers all contained within a high - efficiency design produces detailed, natural sound at all frequencies without fatigue, even at the highest volumes.

Not exact matches

The Marpac Dohm Sound Conditioner creates the soothing sound of rushing air, also known as «white noise,» which has been proven to effectively block noises at a broad range of frequenSound Conditioner creates the soothing sound of rushing air, also known as «white noise,» which has been proven to effectively block noises at a broad range of frequensound of rushing air, also known as «white noise,» which has been proven to effectively block noises at a broad range of frequencies.
White noise acts as a mask because you will be hearing sounds on every frequency at once, making a sudden additional sounds seem much quieter or unnoticeable.
The doctor will play sounds at different frequencies, from really high to really low.
Ultrasound is a common test during pregnancy that uses high frequency sound waves to look at the anatomy and structures of the developing baby.
At a scientific level, pitch is the frequency of sound.
The level of energy exposure to organ tissues transforms into heat energy, in addition to sound waves at varying frequency may lead to unseen disruptions in normal activities and functions.
Install the matching set in your doors to replace or upgrade the factory models and start enjoying sharper sound at a superior frequency.
By playing notes through the vessel at many frequencies, the team determined the speed of sound in the argon, and the energy of its atoms.
Ship propellers and motors, for instance, produce sound at low frequencies, as does seismic activity.
The researchers used the state - of - the - art nanofabrication technology to make arrays of electrodes with a width of only 100 nanometers (0.00001 centimeters) to excite sound waves at an unprecedented high frequency that is higher than 10 GHz, the frequency used for satellite communications.
«What's remarkable is that at this high frequency, the wavelength of the sound is even shorter than the wavelength of light.
She says it may be better suited to indoor use, such as in a factory with machines that emit sounds at different frequencies.
What should be a wide blue swathe — good hearing across all volume levels and sound frequencies — narrows sharply, permanently, at one end.
The air sacs acted like bass drums, resonating at low frequencies, and causing vowel sounds to merge; Lucy's baby would have had a greatly reduced vocabulary.
When the fluorescent molecules are excited, a sphere rings with light of specific wavelengths, just as an organ pipe rings with sound at a fundamental frequency and its overtones.
The resulting saser can build up an intense, pure sound wave at a specific frequency in the terahertz range (far, far above the limit of human hearing) for a few billionths of a second.
Ultrasound waves are produced by firing sound waves at a glass surface or «lens» to create high - frequency vibrations.
According to Ingo Titze, director of the National Center for Voice and Speech at the University of Utah, vocal cords are able to produce a wide range of sound frequencies because of the larynx's ability to stretch vocal cords and the cords» molecular composition.
Within 30 days, the electrodes began to pick up impulses whenever sounds at high frequencies (to the fish) were played over the loudspeaker.
Infrasound, sometimes called low - frequency sound, is sound waves that occur at frequencies lower than the limit of human hearing.
It sounds like a crazy way to improve your health — spend some time on a platform that vibrates at about the same frequency as the lowest string on a double bass.
Echography with microbubbles uses the fact that the bubbles will vibrate in the blood at the same frequency as the sound produced by the echoscanner, as well as at twice that frequency; the so - called second harmonic.
The research shows that when the liquid is ultra-thin — at nano and sub-micro depths — it flows away from the high - frequency sound waves.
However, when Dayeh looked at the different sound frequency bands, he saw that the images cleared up at higher frequencies.
To figure out which frequency of ultrasound would be most efficient for water purification, the scientists looked at another process related to cavitation called sonoluminescence, in which water bubbles bombarded with sound actually emit light.
But over time we start to home in on the sounds of our native language, in effect «tuning» our ears to a narrow set of frequencies, at the expense of others.
So the team added another capacitor to their design, and made it vibrate using sound waves at a frequency of 1 gigahertz.
By looking at the responses of closely related crickets, the scientists found the most likely origin for the female vibrational signal was a startle reflex seen in other crickets in response to loud high frequency sounds.
Next, they played high - frequency sounds at different amplitudes and carried out brain scans to pinpoint which brain regions were most responsive to loud noises.
If the sound is loud enough and at the right frequency, the pressure at the trough of the wave will be so low that the fluid will boil, producing microscopic bubbles.
The sound wave originates from the vibrating object, such as a vocal chord, and travels through the medium (such as air) causing all of the air particles to vibrate at the frequency of the vocal chord.
One strategy is to maximize their sound output at frequencies above 2,000 Hz.
For instance, two sounds that start at the same instant in time probably come from a single person, even if they involve several different frequency bands.
The sound, at a frequency of about 70 hertz, was picked up by receivers across the world.
The chip, unveiled in June, will allow radios to simultaneously listen to a wide range of frequencies — spanning all radio and television broadcasts, along with all cell phone traffic — the way that ears listen to and analyze many sound frequencies at once.
Harmonics that fall at or near these resonance frequencies are most efficiently radiated as sound.
At such high frequencies, the wavelength of the sound becomes short enough that it can be guided along the surface of a microchip.
Because of the structure of speech, however, the louder of two sounds at a given frequency typically has significantly more power than the quieter sound.
This is because an orchestra is typically loudest around 500 Hz, with the sound level dropping off quickly at higher frequencies.
The folds vibrate at a fundamental frequency, fo, which determines the pitch of the sound.
To see how it's done, a team of physicists led by Alex Tarnopolsky and Joe Wolfe at the University of New South Wales in Sydney introduced a synthesised mix of many sound frequencies into players» mouths while they played the didgeridoo.
This detects the sound of a mosquito's wings from three radar - like dishes around the room, then transmits an amplified shriek at the critical frequency of the wing, breaking up the insect in mid-flight.
Christoph Kayser, a research scientist at the Max Planck Institute for Biological Cybernetics in Tübingen, Germany, says that his team mapped the auditory cortex in monkeys, segmenting it into 11 fields based on the frequency of sound each section processes.
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