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Bose to use its noise cancelling in cars to block out road noise (and it'll even stop you hearing the squeaks and rattles as your car gets older)

Daily Mail logo Daily Mail 11/01/2019 Mark Prigg For Dailymail.com
Bose to use its noise cancelling in cars to block out road noise (and it'll even stop you hearing the squeaks and rattles as your car gets older) Bose to use its noise cancelling in cars to block out road noise (and it'll even stop you hearing the squeaks and rattles as your car gets older)

The firm, best known for its headphones, is showing off its system to eliminate noise created by rough roads at the CES in Las Vegas.

Bose wants to use the noise-cancelling technology found in its headphones to block out sounds from outside cars. 

The leading audio brand has developed a way to eliminate noise created by rough roads, using accelerometers and microphones to measure vibrations. 

Software and algorithms can then calculate an acoustic cancellation signal to be played through the car's speakers to limit unwanted noise.

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Microphones placed inside the cabin monitor residual noise levels, allowing the system to adapt the control signal for optimized performance over different road surfaces, while automatically adjusting over time as the vehicle ages.

Warning sign with horn symbol Warning sign with horn symbol

At present, many car makers use thick insulation and customised tyres as a way to combat external noise, but Bose says these approaches are not only less effective but can increase the vehicle weight and reduce fuel efficiency. 

The move is the company's latest attempt to help bring down noise levels in vehicles. 

Changing volume in car wheel close pu. Car handsfree concept Changing volume in car wheel close pu. Car handsfree concept

Since 2010, it has used its technology to tackle engine sounds. 

'For years, we've been asked why we can't simply adapt our noise-cancelling headphone technology to vehicle cabins for a quieter driving experience,' said John Feng, manager of Bose's active sound management solutions team. 

Cropped shot of an unrecognizable businessman pressing is horn while on his morning commute to work Cropped shot of an unrecognizable businessman pressing is horn while on his morning commute to work

'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.' 

Bose says the solution will be available to manufacturers whether or not they use their own in-car sound systems, with the first models to use QuietComfort RNC expected to be in production by the end of 2021.

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