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Uncertainty of Traffic Noise Prediction

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Abstract:

Assessment of traffic noise is performed using the equivalent continuous A-weighted sound pressure level, LAeq,T , depending on the number of sources n passing the receiver in a time interval T. A single noise source can be replaced by a virtual line source, characterized by the linear density of sound energy S. To calculate the expected value of LAeq,T , the average values of n and S are needed. To estimate the standard deviation of LAeq,T , higher moments of probability distribution of both n and S have to be known. Examples of necessary measurements and calculations are given.

Document Type: Research Article

Publication date: 2006-07-01

More about this publication?
  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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