The Simulator that enables the engineering of future vehicle sounds inside and outside the vehicle, on a real vehicle
The On-Road NVH Simulator combines the power of the full VI-NVHSim softwarewith the context and realism of a real vehicle, enabling the real-time simulation, experience and engineering of future vehicle sounds and NVH virtual prototypes. The On-Road Simulator combines accurate, synchronized sound reproduction with powerful engineering and modification tools to enable effective NVH design and decision making.
Connecting to the vehicle via CAN-bus, and utilizing the VI-NVHSim XiL Streaming Bridge, the actual vehicle speed, engine speed, motor speeds, pedal positions, gear selection and other vehicle data is passed in real-time to the VI-NVHSim. VI-NVHSim then creates and synthesizes in real-time the target vehicle sound. Sound can be generated in the vehicle in a number of ways, from open-back or noise-cancelling headphones, to interior and/or exterior speakers, or even panel transducers.
While the driver drives, the NVH Simulator operator can switch instantly between vehicle models for back-to-back sound comparisons. Just like at the DESKTOP Simulator, component parts of the sound can be turned on and off, levels of component sounds can be adjusted to tune the overall character of a vehicle simulation, and any number of 12 different types of filters and sound modifications can be applied and adjusted, all in real-time. Target vehicle sounds can be tuned easily and precisely in an actual vehicle, producing the sound of future vehicles in the ultimate context of a real vehicle driving experience.
Vehicle sound models tuned with the On-Road Simulator can be transferred to the Vsound vehicle sound evaluation systemfor ultra-simple in-vehicle sound generation with no need to have an engineer or operator in the car to run the system.
On-Road NVH Simulator Features:
Multi-channel output (8 or more independent output channels)
Multi-channel input (8 or more independent input channels)
CAN-bus connectivity
Full capabilities of VI-NVHSim for comparing vehicle models and manipulating, adjusting, filtering and tuning component parts of the sound
Applications
Back-to-back benchmark assessments in-vehicle
Evaluation and experience of target levels in-vehicle for target sign-off
In-vehicle tuning of sounds
Real-world experience of interior and exterior vehicle sounds
EV exterior sound development for AVAS electric vehicle warning sounds
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