In 2019, Virtual Reality (VR) clearly has found its way into a variety of applications. Leaving behind the gaming and entertainment playground, a significant number of different industries are in the process of adopting Virtual, Mixed and Augmented Reality for integration into their daily workflow. In addition, computational power nowadays allows for highly sophisticated numerical calculations. Multi-physics processes like plastics manufacturing and complex products like a car audio system can be fully modelled and computed within reasonable efforts and time frame. This report is about recent work on a fully-virtual product development workflow for car audio application. A numerical framework was built, featuring all aspects of an automotive audio system. A Virtual Reality system was used to visualize but also to auralize the computationally generated acoustic data, where the Auralization was based on head-tracked dynamic binaural audio reproduction. Interactively controllable features were implemented to enhance the level of immersion. The underlying simulation foundation was evaluated against real measurements during several validation studies. Informal subjective experience tests were conducted, showing feasibly short adaption time of individual subjects to the VR environment and resulting in good overall acceptance by the probands.
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