Real experience of cabin noise and vibration linked to driving operations.
The validity of the auditory evaluation of in-vehicle noise is shown by scientific research to depend heavily on context. Compared to playback through headphones alone, experiencing a simulation as realistically as possible in an interactive manner significantly enhances the realism of the playback. SoundSeat II provides a realistic driving experience by combining familiar vehicle components such as seats, steering wheels, pedals, and gear levers with the reproduction of airborne and structure-borne sounds. When combined with the interactive NVH simulator PreSense, SoundSeat II can simulate the driving experience of a real vehicle, allowing users to experience acceleration, braking, and gear changes.
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basic information
Reproduction and Simulation › Calibrated 6-channel reproduction and simulation system › Faithful reproduction of binaural signals through headphones or 3PASS using a shaker for original reproduction of vibrations in seats and handles Components › Vibration excitation: Driver's seat (movement in the z direction and x direction) and handle (rotation in the z direction and x direction) › Handle motor for steering angle, force feedback, and handle vibration (rotation in the x direction) › Compact, modular, flexible design › 19-inch rack for control unit, 4-channel shaker amplifier, two 2-channel equalizers for shaker, and a 2-channel equalizer for headphone reproduction › Side touch screen for operating reproduction software PreSense (not included in delivery items) › Monitor mount (VESA standard), e.g., for road simulation display, etc.
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Applications/Examples of results
Experience and evaluate sound vibrations in the vehicle interior in a real context › Playback system for NVH simulator software PreSense › Virtual engineering and prototyping › Decision-making support in the development process › Troubleshooting and target sound setting › Benchmarking › Enhanced immersion through haptic vibration feedback
Detailed information
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In-car noise vibration (4DOF) multimodal playback
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Company information
HEAD acoustics Japan Co., Ltd. has been active as a leading company in the fields of dummy head-related recording and playback systems, acoustic analysis based on human auditory characteristics, and communication measurement technology for over 25 years. HEAD acoustics has consistently been a pioneer in developing innovative technologies such as dummy head-related binaural technology, acoustic analysis related to human hearing, interactive sound simulation systems, and transmission path analysis. HEAD acoustics will continue to focus on research and development through collaboration with universities and other research institutions and participation in international research projects.
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