SOUND POLLUTION NOISE CONTROL Noise has the potential to impact on us all every day‚ in different ways. Any form of noise can be considered pollution if it causes annoyance‚ sleeplessness‚ fright‚ or any other stress reaction. noise is transient; once it stops‚ the environment is free of it we can measure individual sounds that may damage human hearing‚ but it is difficult to monitor cumulative exposure to noise or to determine just how much is too much the definition of noise itself is highly
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Lab Sheet 1. In the lab activity‚ you will examine sound waves as they are emitted from a moving source. Predict what will happen to the sound waves when the sound source is in motion. Record your prediction (hypothesis) as an “if then” statement. (For example: If you select the GO button‚ then the train will move) If the sound source is moving‚ as it get closer to the person it will get louder and the farther away it gets it starts to fade. 2. Select the boy icon. Select the lowest pitch by selecting
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20th century‚ many composers made use of new technology to experiment with musical sounds. Recording on tape allowed composers to record sounds‚ then change and rearrange them to create a new musical work. The piece was then played back through loudspeakers. This meant that the composer did not need performers to interpret the
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NOISE POLLUTION INTRODUCTION: Noise may not seem as harmful as the pollution of air or water but it is also a severe problem that affects human health and can contribute to a general deterioration of environmental daily. NOISE: The word “Noise” derived from the Latin word “Nausea” meaning seasickness‚ or any sensation of disgust‚ annoyance or discomfort. The most common definition of noise is “Unwanted Sound”. A sound might be unwanted because it is; • Loud • Unpleasant or annoying •
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behind Acoustic Research‚ Inc. and KLH Corporation which was known for its quality of electronic products they manufactured. OK They had a product line for home entertainment use that was slightly different from those in the market i.e. Advent loudspeaker‚ Advent frequency balance control‚ Advent noise reduction unit and an Advent tape deck.OK They were making the niche products which were little less in price than the price of the other products that people consider to be of medium range. They
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Hence‚ they spill over on roads causing accidents. We propose removal of encroachments and clearing up of roads. For this‚ the help of the local shopkeepers should be taken. Lastly‚ the noise pollution caused by honking of horns and blaring of loudspeakers has caused distress to one and all. Many people have become
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noise pollution is transportation‚ in form of motor vehicles. Some other sources like car alarms‚ emergency service sirens‚ office equipment‚ factory machinery‚ construction work‚ barking dogs‚ power tools‚ lighting hum‚ different audio systems‚ loudspeakers and noisy people can also cause noise pollution but motor vehicles are globally speaking dominant source of noise pollution. Sources of noise pollution. Nowadays in our world there exist some types of noise pollution; examples of this are the
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in the aerial and causing them to oscillate/vibrate and thus create an electrical current) this electrical signal is an alternating current which has the same frequency as the radio wave. This electrical energy can again be converted through a loudspeaker into sound‚ or using a television into light. Also each radio station and television station is given a specific frequency to broadcast at so that when you tune your television or radio you get only one radio station not all of them. Receiving
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in electricity. Although usually circular in cross-section‚ wire can be made in square‚ hexagonal‚ flattened rectangular‚ or other cross-sections‚ either for decorative purposes‚ or for technical purposes such as high-efficiency voice coils in loudspeakers. Edge-wound[1] coil springs‚ such as the Slinky toy‚ are made of special flattened wire. Uses Wire has many uses. It forms the raw material of many important manufacturers‚ such as the wire netting industry‚ engineered springs‚ wire-cloth making
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katrina barcelo "The characteristic of sound by which a shrill sound can be distinguished from a grave sound is known as PITCH." Pitch of sound depends upon the frequency of sound. The greater the frequency‚ the higher is the pitch and vice versa. It is the pitch of sounds that enable us to distinguished b/w a sound of man and woman or man and dog. Etc. sound of a woman is shrill due to high pitch. Sound of a dog is grave due to low pitch and low frequency. QUALITY OR TIMBER "The property
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