what is a sound?
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Mimicry In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water. In physiology and psychology, sound is the reception of such waves and their perception by the brain.he mechanical vibrations that can be interpreted as sound are able to travel through all forms of matter: gases, liquids, solids, and plasmas. The matter that supports the sound is called the medium. Sound cannot travel through a vacuum.
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- Sounds may be generally characterized by pitch, loudness, and quality. Sound quality or timbre describes those characteristics of sound which allow the ear to distinguish sounds which have the same pitch and loudness. Timbre is then a general term for the distinguishable characteristics of a tone.
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Sound In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water. In physiology and psychology, sound is the reception of such waves and their perception by the brain.n air at standard temperature and pressure, the corresponding wavelengths of sound waves range from 17 m to 17 mm. Sometimes speed and direction are combined as a velocity vector; wave number and direction are combined as a wave vector.
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noise Also see audio noise. Noise is unwanted electrical or electromagnetic energy that degrades the quality of signals and data. Noise occurs in digital and analog systems, and can affect files and communications of all types, including text, programs, images, audio, and telemetry.
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What is Sound? Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate too causing them to bump into more air particles. This movement, called sound waves, keeps going until they run out of energy.
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- The definition of sound says that it is a disturbance of energy that comes through matter as a wave, and that humans perceive sound by the sense of hearing. Sound pressure is the effect and sound power (energy) is the cause.But our eardrums are only sensitive to the sound pressure, and so are microphone diaphragms.he energy in a sound wave is both kinetic and potential. Just as in a vibrating spring, the medium has mass a … nd moves and so moving mass is kinetic energy. Just as in the spring there is compression and rarefaction, so there is elastic potential energy.
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What Is Sound? Frequency. Frequency is the rate, or number of times per second, that a sound wave cycles from positive to negative to positive again. Frequency is measured in cycles per second, or hertz (Hz). Humans have a range of hearing from 20 Hz (low) to 20,000 Hz (high).f a sound has a lot of low-frequency energy, it has a lot of bass. The 250–4000 Hz frequency band, where humans hear best, is described as midrange. High-frequency energy beyond the midrange is called treble, and this adds crispness or brilliance to a sound.
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Music Music is sound that has been organized by using rhythm, melody or harmony. If someone bangs saucepans while cooking, it makes noise. If a person bangs saucepans or pots in a rhythmic way, they are making a simple type of music.
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sound 4. anything that can be heard. 5. a particular instance, quality, or type of sound: the sound of running water. 6. volume or quality of sound: a radio with poor sound. 7. the area or distance over which something can be heard: to be born within the sound of Big Ben. 8. the impression or implication of something: I don't like the sound of that.
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sound The definition of sound is someone or something that is in good condition. An example of sound is a well made chair. Sound is vibration in air and water that stimulate the nerves inside the ears to create the sensation of hearing. An example of sound is music. An example of sound is voices. The definition of a sound is a wide channel or strait linking two large bodies of water.
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Sound In physics, sound is a vibration that propagates as a typically audible mechanical wave of pressure and displacement, through a medium such as air or water. In physiology and psychology, sound is the reception of such waves and their perception by the brain. distinct use of the term sound from its use in physics is that in physiology and psychology, where the term refers to the subject of perception by the brain. The field of psychoacoustics is dedicated to such studies. The physical reception of sound in any hearing organism is limited to a range of frequencies.
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The Science of Sound Our hearing is one of our most important senses, necessary for basic communication, speech and awareness. But have you ever stopped to think; what exactly is sound? And how do our ears actually work? Sound is caused by something emitting energy in the form of a vibration. Areas of high and low pressure move outwards creating a form of longitudinal wave (a wave which vibrates in the direction of travel).
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- A vowel is a speech sound made by the vocal cords. It is also a type of letter in the alphabet. The letters of the English alphabet are either vowels or consonants or both.
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Physics for Kids Sound: Pitch and Acoustics. This page is a continuation of the page study of the science of sound. An important measurement of sound is the frequency. This is how fast the sound wave is oscillating. This is different than how fast the wave travels through the medium. Frequency is measured in hertz.
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The Speed of Sound The Speed of Sound. A sound wave is a pressure disturbance that travels through a medium by means of particle-to-particle interaction. As one particle becomes disturbed, it exerts a force on the next adjacent particle, thus disturbing that particle from rest and transporting the energy through the medium.
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sound Characteristics of Sound Waves. Sounds are generally audible to the human ear if their frequency (number of vibrations per second) lies between 20 and 20,000 vibrations per second, but the range varies considerably with the individual.
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consonant A consonant is a speech sound that is not a vowel. It also refers to letters of the alphabet that represent those sounds: Z, B, T, G, and H are all consonants. play
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Sound and Music Review 1 A sound wave is a mechanical wave. 2  A sound wave is a means of transporting energy without transporting matter. 3  Sound can travel through a vacuum.  A sound wave is a pressure wave; they can be thought of as fluctuations in pressure with respect to time.
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sound The form of energy called sound is produced when matter moves or vibrates. The vibrations are transferred to another medium, usually the air, and travel through it as sound waves. You hear a sound when its vibrations reach your eardrum, causing it to vibrate.
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sound Definition of sound. 1  1a : a particular auditory impression : toneb : the sensation perceived by the sense of hearingc : mechanical radiant energy that is transmitted by longitudinal pressure waves in a material medium (as air) and is the objective cause of hearing.
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- Definition of sound. 1  transitive verb. 2  1a : to cause to sound sound a trumpetb : pronounce 3a. 3  2 : to put into words : voice. 4  3a : to make known : proclaimb : to order, signal, or indicate by a sound sound the alarm. 5  4 : to examine by causing to emit sounds sound the lungs.
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Physics REGISTRY flashcards Sound is a wave that travels through a medium and carries energy from one place to another. A sound wave consists of a series of orderly oscillations of particles within the medium. These oscillations produce regions of compressions and rarefaction (high and low pressures) throughout the medium. Ultrasound is defined as a sound wave with a frequency above 20,000 cycles per second or hertz (Hz).
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Sound Sound is defined by ANSI/ASA S1.1-2013 as (a) Oscillation in pressure, stress, particle displacement, particle velocity, etc., propagated in a medium with internal forces (e.g., elastic or viscous), or the superposition of such propagated oscillation.
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sound 1 the sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium. mechanical vibrations transmitted through an elastic medium, traveling in air at a speed of approximately 1087 feet (331 meters) per second at sea level.
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- Listening to the sound of music. The definition of sound is someone or something that is in good condition. An example of sound is a well made chair. Sound is vibration in air and water that stimulate the nerves inside the ears to create the sensation of hearing. An example of sound is music.
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sound sound 1. 1. A type of wave motion that originates as the vibration of a medium (such as a person's vocal cords or a guitar string) and travels through gases, liquids, and elastic solids as variations of pressure and density. The loudness of a sound depends on the amplitude of the sound wave.