I came across a really interesting article by Jim Wilson in Popular Mechanics. The big muffler manufacturer, Flowmaster was using scientific research to determine how different muffler sounds affected certain demographic groups. It's sort of the same premise I talk about a lot - that the sound of your voice determines whether someone is attracted to you, or repelled by you in a subliminal sense. So be aware of your voice and how it affects others!
Here's part of the Popular Mechanics article:
"Relaxing Sounds. "Our working hypothesis is that if sound is discordant it would mobilize the right forebrain to make people want to withdraw," he explains, as he pulls wires and glue pads off my hand. "If people are hearing more sound they like, we expect to see more activity in the left forebrain." Work is still in its early stages, but Flugger believes that Flowmaster eventually will use Madill's research to help automakers home in on specific types of muffler systems to appeal to different demographic groups of drivers. There is evidence, for example, that younger drivers like a louder, lower sound with a slight metallic ring and a certain amount of disharmony. On the other hand, more low frequencies give an added sense of confidence, Madill says.
Flugger says that Madill's research will begin to find its way onto the streets in the next several years, initially as Flowmaster conversion kits for popular model cars. Flugger also hopes to begin working with Detroit. "If GM came in with an age group, we can design a muffler that the majority of that group will like," says Madill. "That is where this is headed."
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