Annoying noise—what the automotive industry calls “buzz, squeak, and rattle” (BSR)—is the leading cause of customer complaints about new cars. Eliminating noise during the design and prototyping phase can pay big dividends…but locating transient, intermittent, ill-defined sounds like BSR or cricket chirps can be exasperatingly difficult.
via IEEE Spectrum
Image: Hyundai Motor Group and SM Instruments
