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Created with Fabric.js 1.4.5 Institute of Sound and Vibration Research (ISVR) founded at Southhampton University The impact of aircraft noise on communities near airports became apparent in the 1960s and 1970s as turbojet and turbofan engines became widespread in civil aviation. A 1963 Rolls-Royce (major manufacturer of aero engines) supported readership in noise at the ISVR 1968 University of Southampton focuses on two key areas: - reducing the amount of noise generated at source - and trying to reduce the noise effect before it reaches the ears of the public. '70s Public TOLERANCE to noise DECREASE over last 25 years Global passenger and freight air traffic was growing at 4.25% per annum until the recession in late 2007. 2000 The Advisory Council for Aeronautics Research in Europe (ACARE) established 20-30dB quieter aircraft todaythan first generation jets 2015 Reducing aircraft noise... The purpose of continuing research: to find better ways of measuring and assessing aircraft noise so we can achieve a better balance between noise, the costs of noise control and the effects of noise on people, so society can continue to enjoy the social and economic benefits of aviation while minimizing the environmental costs as far as possible. noise costs of noise control effects of noise social&economic benefits of aviation whlie minimizing environmental costs
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