# Free Sound Essays and Papers

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# Free Sound Essays and Papers

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Sound Decibels are the units of measurement used to describe voltage and power levels. The abbreviation for a decibel is dB (Sauvala). Some decibel comparisons are: 10 dB is about as loud as someone whispering, 70 dB is a shouted conversation, and 110 dB is as loud as a jet engine ("Sound"). Decibels are the expressions of ratios. Some formulas for decibels are power =10log(P1/P2)(P1= power 1 and P2= power 2) and voltage =20log(v2/v1)(V2= voltage 2, V1= voltage 2) (jgoldste@wyoming.com)

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What is Sound? Sound is a form of energy that travels from the source to a receiver by means of waves. There are two basic types of waves; longitudinal (compressional) waves where the motion of the air molecules is parallel to the direction of the motion of the wave and transverse waves where the medium, the material through which the waves are moving, vibrates at right angles to the direction the energy moves. Figure 1: Longitudinal and Transverse waves In a wave, the period (T) is

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Introduction ‘Sound is a form of energy produced by the vibrations of objects and carried by longitudinal mechanical waves.’ In a longitudinal wave, the air particles vibrate back and forth in a direction which is parallel to the direction of energy transport. The particles are temporarily displaced rightward and then always move back to their original position which means there is no net displacement of the air molecules. To measure the speed of the wave, the equation v=f λ where v is the speed

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Basis of Processing Sound Strategies Introduction to Coding Strategies: D.J. Allum Coding strategies define the way in which acoustic sounds in our world are transformed into electrical signals that we can understand in our brain. The normal-hearing person already has a way to code acoustic sounds when the inner ear (cochlear) is functioning. The cochlea is the sensory organ that transforms acoustic signals into electrical signals. However, a deaf person does not have a functioning cochlea. The

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Sound, Music, and Noise Sound is essentially a mechanical disturbance caused by a vibrating source that travels through an elastic medium. Sound is a type of longitudinal wave which propagates in the same direction as the progression of the wave. It can also be referred to as a pressure wave. Sound compresses and then rarefies where there is an area of reduced air pressure. Hence, sound production is simply the vibration of an object, which makes the medium the object is adapted to (air, water,

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Sound is a form of energy. It is created when something vibrates and in turn causes the medium (water, air, etc.) around it to vibrate. Traveling longitudinal waves are vibrations in the air, which we are able to pick up with our ears. Sound waves are made up of regions of high and low pressure named compressions and rarefactions. Sound is a longitudinal wave in which the oscillations take place in the direction of the wave travel i.e. backwards and forwards rather than from side to side. The backwards

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Sound It may be commonplace to point out that acoustic reality and perceptual reality are different. In a live performance situation, for example, no matter how still the audience, the environment will be full of sounds extraneous to the music. If a tape recorder were positioned somewhere in the midst of such a situation, and if a segment of the resulting tape were submitted to digital sound analysis, the results would highlight the difference between what one heard during the performance (what

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Resonance and Sound…Physics and Music Since sound is the medium of music, most of the physics of music is the physics of sound. It's important to remember that sound waves are compression waves. You can imitate a compression wave by stretching out a slinky (you do have a slinky, don't you?) and flicking your finger against a coil at the end. Sound waves are not like the waves on the ocean or the waves you get by waving a stretched-out rope. Take a tuning fork (you do have a tuning fork,

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## Sound and Frequency

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edu/projects/vss/docs/communications/1-what-is-frequency.html>. "Personal Music Players & Hearing." 2. How is sound measured?. N.p., n.d. Web. 14 May 2014. . "What is a decibel, and how is it measured?." HowStuffWorks. HowStuffWorks.com, 1 Apr. 2000. Web. 14 May 2014. . "SOUND ABSORPTION." Acoustical Surfaces, Inc.. N.p., n.d. Web. 14 May 2014. . "Sound Wave Interference." Sound Wave Interference. N.p., n.d. Web. 14 May 2014. . "Sound absorption." Sound absorption. N.p., n.d. Web. 14 May 2014. .

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## Sound on the Web

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Sound on the Web Transcript Using sound on the internet can greatly benefit and enhance a webpage (Teachernet). Sounds, rather they be background, core content, or music, create mood, theme, and help define the usefulness of the site (Farkas 94). Sounds can serve as core content. Sound can be used to introduce a site; either by music or a narrated welcome (Farkas 95). Narration can also serve as the content, like this site, or to help the viewer navigate the site and help the user make choices

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