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NOISE SOURCES Noise generation and Control
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A-weighted acoustic active muffler air tour operations aircraft activity aircraft noise aircraft overflights annoyance annoyed Associate Editor average beam Boston Post Road calculated Control Engineering Journal Dart River e-mail effects of aircraft enclosure environmental experience field filter finite element flights frequency Hz headphones hearing loss hearing threshold levels heavy metal music holography insertion loss Institute of Noise INTER-NOISE International issues jet boats laboratory listening locations loudness measured method microphone Milford Track motor natural quiet Noise Control Engineering noise effects noise impact noise levels noise sources P.O. Box parameters passive muffler plane pop music predicted Primary subject classification Publisher Item Identifier recreational noise recreationists Research response Secondary subject classification shown in Fig sound level sound power sound power level sound pressure level standard structural strut noise survey threshold shift tion transmission loss vehicle vibration visitors wall workroom Zealand