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Bose Invented A Noise-Cancellation System For Cars And It's Mind-Blowing

Bose is exceedingly popular for its QuietComfort headphones that offer best-in-class noise cancellation. The technology is far superior to the competition and many airlines even provide these to premium passengers to vacuum out cabin noise. 

Today, the manufacturer has announced a new noise cancellation solution called QuietComfort Road Noise Control (RNC) as part of its active sound management technology. This technology is designed to reduce road noise, and make your travelling experience smoother. 

Bose Invents Noise-Cancellation System For Cars© MensXP

According to Bose, its new sound-cancelling system utilizes a combination of accelerometers, proprietary signal-processing software, microphones and the vehicle's audio system to electronically combat unwanted sounds. The new system joins Bose's existing Engine Harmonic Enhancement and Engine Harmonic Cancellation. 

The system is able to minimize “unwanted sounds” in the car's cabin caused by driving over rough roads, grooved concrete and uneven pavement. The system adapts to road noise levels throughout the trip, adjusting as necessary for changes that result from different road surfaces, speeds, and similar things. 

For external detection, the car is fitted with various accelerometers that measure vibrations caused by the road or terrain. For internals, a set of microphones constantly monitor noise levels for future optimizations. The whole process of noise identification and cancellation is continuous and adjusts over a period of time. 

Bose says the RNC system will be available with or without the company's premium audio systems, and they will be collaborating with manufacturers during the development process. 

Bose Invents Noise-Cancellation System For Cars© Bose

The brand already offers a sound management solution called Engine Harmonic Cancellation (EHC), but it is limited to reducing the leakage of engine noise into the main cabin. 

RNC solution is expected to start appearing in cars starting from 2021 and will work with cars that don't even have Bose's own audio system.

Bose Invents Noise-Cancellation System For Cars© Reuters

Thanks to electric vehicles, the amount of noise generated while moving is minimal. Even internal combustion engines have been getting more silent thanks to hybrid setups. Electronically controlled noise cancellation comes handy because the conventional method requires insulation and isolation, adding more weight to the vehicle.  

"But we know it's much more difficult to control noise in a large space like a car cabin compared to the relatively small area around your ears. However, through research advances and our relentless efforts to solve tough problems, we've achieved a level of road noise reduction that sets Bose apart from competitive offerings,” said John Feng, manager, Bose Automotive, Active Sound Management Solutions.

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