What is the effect of phase difference of sound on human beings?
83113
Yes the answer is correct. It allows the perception of space. In reality when you hear any sound, you hear the sound that is directly comming to your ears from the source plus the one that is gettind reflected from surrounding objects. It is the Algebraic or Angular or phaser or vector sum of the total. because the all reflected sound waves are not necessarily in the same phase as that of each other.\n\nWhen we produce same sound in home theatre system, from different speakers, but with phase differance from each other, it gives you the Spatial effect, resulting in you feeing like sitting in a large auditorium.\n\nAudio engineers have invented many peciliar combinations of phase differances and weight of each phase to produce vivid sound effects.
350189
It is well known that subsonic and ultrasonic sounds affects in various ways the behavior of animals (insects, birds, bats)( hit against walls, change their mating seasons, lack of hunger, etc) , because they are sensible to this frequencies. Also, the beings exposed to strong sounds can suffer dumbness and even die\n There is the theory that many of the whales that got stuck in beaches and die, do this because their natural "sonar" fails, either by action of parasites or because of the sound of ships
861424
First, we must remember that sound is transmitted in the form of compression waves, or "longitudinal waves". In other words, the mechanism is through atoms or molecules (I will use the generic term "particles") bump into each other to transfer the energy. So, basically we have a series of elastic collisions where each particle bumps into the next, thereby transferring all of its energy.\n\nNow, the amount of energy being transferred is not dependent upon the frequency, but rather the amplitude of the sound wave. \n\nOn the other hand, the amount of POWER (energy per second) is related to frequency. The higher the frequency, the more often the particles bump into each other, so the more power is delivered.\n\nThe answer to your second question is that our skin cannot "feel" frequencies much above 100 cycles per second, probably less than that, due to its elasticity, it cannot resonate at higher frequencies. On the other hand, our eardrum is designed to vibrate at much higher frequencies, and in effect our ability to hear is a manifestation of our eardrum "feeling" the sound. Of course the eardrum itself is only a very small part of the process by which we hear sounds.\n\nHope this helps.
400150
The range of frequencies that humans can hear is approximately between 20 Hz and 20,000 Hz.
464632
(1) The Sound is a  physical phenomenon that stimulates the sense of hearing. \n(2) In human beings, hearing takes place whenever vibrations of frequencies between about 15 and 20,000 hertz reach the inner ear.\n(3)  The hertz (Hz) is a unit of frequency equalling one cycle per second. Such vibrations reach the inner ear when they are transmitted through air, and the term sound is sometimes restricted to such airborne vibrational waves. Modern physicists, however, usually extend the term to include similar vibrations in liquid or solid media. Sounds of frequencies higher than about 20,000 hertz are called ultrasonic
1128070
Music is organized sound, so I think the answer would be "irregular vibration patterns".  These links should help.
510408
As many sounds as you can hear.  Some people are hard of hearing on high or low sounds.
843674
I don't know, I once read an article about human parts that are now useless, but at one time they were useful. This article said that humans used to be able to control their ears similar to alot of animals, like cats for example, to distinguish more clearly the direction from which a sound came.
546094
Acoustics is the science that deals with sound.
228994
NO!  Sound waves are just vibrations until an ear receives it and sends it to a brain that processes it. If no ear receives it before the vibration dissipates then there is no sound.
401656
Damage to the human organism is dependent on frequency, distance to the source, and transmit power (in Watts)\n\nSee the following:
526665
Humans have some variation in the range of frequencies they can hear (lowest to highest), but not much.\n\nBy the way, the range of low frequencies *below* normal hearing is called "infrasonic".  The word "ultrasonic" means high frequencies *above* normal hearing.  People also commonly say "subsonic" for low frequencies, but this is better reserved to mean "speeds below the speed of sound" (the opposite of "supersonic").\n\nAlso, it is possible to "feel" infrasonic frequencies with your body.  I'm a bass player, and I love the "feel" of low frequencies from big bass cabinets.  So-called "sub-woofers" on high-end sound systems are specifically for those below-hearing-threshold frequencies.  Go to a dance club and you will feel those infrasonic sounds coming from some of the speakers and subwoofers.
752428
Generally from 20 - 20,000 HZ depending on the individual. We lose some high end range as we age
610435
Ha ha ha. The question is weird unless you are referring to something specific in physics. Otherwiss,\n\nLike Patient who lies down on bed, remains on bed because of gravity :)\nOr Simple stuff like - the stethoscope lets you hear the heart beat because of physical principals of sound movement.
843134
Sound can affect the body in many ways.  The most common form is deafness, where the cilia in the ears are flattened and cannot transmit the vibrations to nerves.  The cilia are like hairs and vibrate with the vibrations created by the noise.  The vibrations pass through the air and are picked up by the cilia and passed onto the brain for processing.  This is a simple explanation as explained to me by a doctor.\nNoise, and over pressure from such sources as an explosion, can burst the eardrum.  The eardrum vibrates and excites the cilia,  So if the eardrum is burst or the cilia are flat, deafness occurs.\nHearing ringing noises in the ears is tinnitus and is a hearing defect created by noise and in some cases diseases.\nVery low noise, on the Hertz scale, can cause the body to evacuate it contents, both front and rear end.  Higher frequency noise can cause bleeding internally.  The military have been experimenting with sonic weapons since before the Second World War.\nSubliminal suggestion by playing sounds behind sounds has been banned from advertising.  Suggesting that you buy something while listening to an ad that tells you how much a company pays to a charity would really work in your head.\nOther than that, try sleeping next to a railway line that operates with trains every 5 minutes during the time you should normally be asleep!.  You would be absolutely tired by the end of the week.
719322
Sound is usually measured in decibels
403077
When two wave trains have an equal phase shift we say they are in phase. For example if two sine waves are travelling such that at any given time they have the same phase we say they are in phase. When they are not they are out of phase.\nConstructive and destructive takes place when these two phases interfere with each other. If they have the same phase their amplitudes add while for opposite phases they cancel.