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Hyundai Uses a Portable Sound Camera for Buzz, Squeak, and Rattle Studies Based on LabVIEW and FPGA

Figure 1. SeeSV Sound Camera is used to identify the effect of engine cover on the Hyundai Genesis.

"Using NI hardware and software we developed a truly portable sound camera much earlier than our competitors. I believe it will help us provide better vehicles to our customers."

- Kang-Duck Ih, Hyundai Motor Group

The Challenge:
Creating a portable system to visualize and identify annoying transient buzz, squeak, and rattle (BSR) noise sources in Hyundai automobiles.

The Solution:
Developing a handheld sound camera with NI LabVIEW system design software that identifies and displays noise sources in real time using microelectromechanical system (MEMS ) and FPGA technologies to increase the image update rate and to decrease the total weight of the device.

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