Passive Sound Insulation: PARTNER Project 1.5 Report
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2008-01-01
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Edition:PARTNER Project 1.5 report
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Abstract:Passive sound insulation is one of the mitigation strategies that are used to control sound energy transmission into homes. Current sound insulation methods are designed to reduce noise in the frequency range of greatest hearing sensitivity, typically above 250 Hz. In this frequency range, sound insulation is primarily governed by the mass of the structure. Usually, sound transmission is not mass controlled below 250 Hz [1]. In the frequency range below the mass controlled region, sound transmission is controlled by the resonances and boundary of the structure. Building materials with similar acoustical characteristics above 250 Hz may behave differently below 250 Hz.
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