Auralization of Ambient Noise in Vehicles English

  • Category Technical paper
  • Related event International Congress : Automotive NVH comfort - 22 & 23 October 2014
  • Edition SIA
  • Date 10/22/2014
  • Author D. Arsić, P. Grams - Müller BBM | J. Putner - TU München
  • Language English
  • Type PDF file (692.31 Ko)
    (Downloadable immediately on receipt of online payment)
  • Number of pages 6
  • Code R-2014-09-18
  • Fee from 8.00 € to 10.00 €

The acoustic damping of a vehicle influences the comfort of its passengers. In order to evaluate this it can be helpful to auralize the sound affecting the vehicle. When normalized transfer functions are measured, various operating conditions can be auralized. The presented theories will show an approach not only capable of auralizing constant operating noise at the passenger’s ear – for example from the exhaust system or wheel noise – but is also capable of simulating passing maneuvers.
In order to auralize passing maneuvers, a sequence of impulse responses representing the transfer functions from different source positions at the passenger’s ear is measured. By choosing these source positions along the track of the passing vehicle, the resulting impulse responses can be linked to a dynamic transfer function. The computed dynamic impulse response can be convolved with a source signal describing the passing vehicle. In this way a passing vehicle can be auralized by applying this presented simulation technique.


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