Smart Helmet Decreases Road Noise and Increases Driver Safety

March 20, 2023
Synaptics was demonstrating a smart helmet that employs noise-reduction technology.

This video appeared in Electronic Design and has been published here with permission.

Check out more of our CES 2023 coverage.

One might think that noise-cancelling motorcycle helmets could reduce situational awareness, but that's not necessarily the case. In this instance, noise-cancellation technology can eliminate regular noise like road noise due to wind and tires while allowing irregular noise, such as a passing car, come through. Simply blocking out all noise would diminish situational awareness. 

Environmental noise cancellation (ENC) and active noise cancellation (ANC) can be used to improve a driver's environment and make it easier to listen to music, have a hands-free telephone call, and, in a future that has now arrived, hear audio that's part of an augmented-reality head-up display (HUD). Synaptics was showing just this type of environment at CES (see figure)

Synaptics employs technology like its AudioSmart AS33970 headset platform. The platform utilizes artificial-intelligence/machine-learning (AI/ML) models to enable ENC and hybrid ANC support. The system-on-chip (SoC) incorporates the company's neural processing unit (NPU) to handle deep-neural-network (DNN) models for audio processing. The low-power SoC targets applications like wireless headsets. 

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About the Author

William G. Wong | Senior Content Director

I am Editor of Electronic Design focusing on embedded, software, and systems. As Senior Content Director, I also manage Microwaves & RF and I work with a great team of editors to provide engineers, programmers, developers and technical managers with interesting and useful articles and videos on a regular basis. Check out our free newsletters to see the latest content.>

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I earned a Bachelor of Electrical Engineering at the Georgia Institute of Technology and a Masters in Computer Science from Rutgers University. I still do a bit of programming using everything from C and C++ to Rust and Ada/SPARK. I do a bit of PHP programming for Drupal websites. I have posted a few Drupal modules.  

I still get a hand on software and electronic hardware. Some of this can be found on our Kit Close-Up video series. You can also see me on many of our TechXchange Talk videos. I am interested in a range of projects from robotics to artificial intelligence. 

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