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Synthesis of pass-by railway noise
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2008 (English)In: Proc. European Conf. Noise Control, 2008, 1025-1030 p.Conference paper (Refereed)
Abstract [en]

Pass-by railway noise is one of the main problems in the community. Typically pass-by railway noise is estimated using Leq or Lden in dB (A) and often these methods do not reflect the listener perceptual overview. It is therefore necessary to reduce the pass-by railway noise by synthesizing the noise characters into various segments. The segments could be based on the physical properties of rail vehicles like rolling, traction, pantograph, cooling system noise, etc. There are few other segments which are also based on the perceptual view of the pass-by railway noise like squeaking, rattling or beating (tadak, tadak). Several pass-by noises from Swedish rail vehicles were recorded using binaural technology according to ISO 3095. Recorded noise signals were then synthesized with the help of spectrogram analysis using Matlab. Validated synthesized sounds were used to create the virtual railway sounds for more pleasant listening. The results of the studies indicate that the rolling noise and broadband noise are mostly annoying for the long distance passenger rail vehicles.

Place, publisher, year, edition, pages
2008. 1025-1030 p.
, Proceedings - European Conference on Noise Control, ISSN 2226-5147
Keyword [en]
Broadband noise, Noise signals, Pass-by noise, Passenger rail vehicles, Rail vehicles, Railway noise, Rolling noise, Synthesized sounds, Noise pollution, Passenger cars, Rail motor cars, Railroad transportation
National Category
Vehicle Engineering
URN: urn:nbn:se:kth:diva-153318ScopusID: 2-s2.0-84874919741OAI: diva2:756191
7th European Conference on Noise Control 2008, EURONOISE 2008, 29 June-4 July 2008, Paris, France

QC 20141016

Available from: 2014-10-16 Created: 2014-10-03 Last updated: 2014-10-16Bibliographically approved

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