Tata Motors' Jaguar Land Rover has revealed new noise cancellation technology that removes unwanted road and tyre sounds from the cabin.
The technology, introduced in the F-Pace, XF and Range Rover Velar, is capable of lowering unwanted noise peaks by 10dB and overall noise levels by 3-4dB – the equivalent of turning down the in-car sound system by four 'steps', JLR claimed. It added such significant reduction in exposure to low-frequency noises up to 300Hz can help prevent driver fatigue on longer journeys.
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Fatigue affects the ability of a driver to deal with hazards or unexpected events, with tired motorists recording an average reaction time increase of 16.72% compared to those fully alert.
Active Road Noise Cancellation, enabled by Silentium's Active Acoustics technology, uses sensors on each wheel to constantly monitor the vibrations from the road surface and calculates the opposite phase sound wave needed to remove the noise heard by the occupants. By monitoring in real time, unexpected noises from potholes or rough surfaces can be isolated and removed.
The cancellation sound is played through the Meridian sound system, with the vehicle monitoring cabin occupancy to optimise system performance for all drivers and passengers.
Active Road Noise Cancellation combines with Engine Noise Cancellation on the F-Pace and Velar with the P400e plug-in hybrid (PHEV) powertrain. The claimed pioneering system allows the PHEV variant to be refined for lower CO2 emissions and efficiency with no impact on driver experience.
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By GlobalData
