The Integration Of Experimental Models In A Real-time Virtual Car Sound
Engineering Environment
Author(s)
K. Janssens, M. Adams, P. Van de Ponseele & F. Deblauwe
Abstract
The integration of experimental models in a
real-time virtual car sound engineering
environment
K. Janssens, M. Adams, P. Van de Ponseele & F. Deblauwe
LMS International NV, Belgium
Abstract
The pressure on development cycles in the automotive industry forces the
acoustical engineers to create awareness of sound quality in the earliest stages of
development. Nowadays, designers have few tools to help them listen to their
'virtual' models. A sound synthesis concept is presented where the total sound of a
vehicle is split in a number of components (e.g. engine noise, roadhire noise, wind
noise). Sound Quality Equivalent Models have been developed to describe their
sound characteristics. The models consist of networks of single- and multireference
transfer paths, operational loads and airborne sound sources and allow to
evaluate the impact of changes to structural components on the in-vehicle sound
quality. The models are integrated in an interactive, real-time Virtual Car Sound
environment that
Keywords
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