- Bose QuietComfort Road Noise Control (RNC) sound management system announced at CES 2019
- The tech is said to reduce noise inside a vehicle by using hardware-based audio sensing devices and the company’s own algorithm
Bose is well known for its audio solutions that also spans into the automotive segment and the company has announced its latest QuietComfort Road Noise Control (RNC) sound management system at the ongoing CES 2019 trade show. The new tech makes use of the company’s advancements in its QuietComfort technology, which is used in Bose headphones, and is aimed at reducing the noise inside a vehicle by analysing and cancelling out the outside noises. The QuietComfort RNC will be available for global vehicle manufacturers and joins the company’s other offerings like the Bose Engine Harmonic Cancellation (EHC) and Bose Engine Harmonic Enhancement (EHE) systems.
The new tech is aimed at reducing the noise inside the cabin of vehicles like cars, trucks, and SUVs. It works by employing a bunch of devices like accelerometers, the company’s proprietary signal-processing software, mics, and the vehicle’s audio system to ‘electronically control unwanted sound.’ Bose’s algorithm continuously measures vibrations that cause noise with the help of accelerometers mounted on the body of a vehicle. This data is used to calculate an acoustic cancellation signal, which is then delivered via speakers inside the vehicle for reducing the targeted noise. Mics are placed inside the cabin and note remaining noise levels. This is said to enable the tech to adapt to the control signal for calibrated performance for different road surfaces, while adjusting over time as the vehicle ages.
“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,” says John Feng, Manager at Bose Automotive, Active Sound Management Solutions. “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 will custom-engineer QuietComfort RNC in automobiles by working with manufacturers during the vehicle development process. Alongside cars with Bose sound systems, the technology will also be available for cars that have a standard sound setup. QuietComfort RNC is expected to be made available in production models by the end of 2021.