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Saturday, January 31, 2015

The rise of fake engine noise

jalopnik.com
Article thanks to washingtonpost.com and Drew Harwell. Links provided:

America’s best-selling cars and trucks are built on lies: The rise of fake engine noise

Jan 21, 2015  Stomp on the gas in a new Ford Mustang or F-150 and you’ll hear a meaty, throaty rumble — the same style of roar that Americans have associated with auto power and performance for decades.
It’s a sham. The engine growl in some of America’s best-selling cars and trucks is actually a finely tuned bit of lip-syncing, boosted through special pipes or digitally faked altogether. And it’s driving car enthusiasts insane.
Fake engine noise has become one of the auto industry’s dirty little secrets, with automakers from BMW to Volkswagen turning to a sound-boosting bag of tricks. Without them, today’s more fuel-efficient engines would sound far quieter and, automakers worry, seemingly less powerful, potentially pushing buyers away.
Softer-sounding engines are actually a positive symbol of just how far engines and gas economy have progressed. But automakers say they resort to artifice because they understand a key car-buyer paradox: Drivers want all the force and fuel savings of a newer, better engine — but the classic sound of an old gas-guzzler.
“Enhanced” engine songs have become the signature of eerily quiet electrics such as the Toyota Prius. But the fakery is increasingly finding its way into beefy trucks and muscle cars, long revered for their iconic growl.
For the 2015 Mustang EcoBoost, Ford sound engineers and developers worked on an “Active Noise Control” system that amplifies the engine’s purr through the car speakers. Afterward, the automaker surveyed members of Mustang fan clubs on which processed “sound concepts” they most enjoyed.
Ford said in a statement that the vintage V-8 engine boom “has long been considered the mating call of Mustang,” but added that the newly processed pony-car sound is “athletic and youthful,” “a more refined growl” with “a low-frequency sense of powerfulness.”
Among purists, the trickery has inspired an identity crisis and cut to the heart of American auto legend. The “aural experience” of a car, they argue, is an intangible that’s just as priceless as what’s revving under the hood.
“For a car guy, it’s literally music to hear that thing rumble,” said Mike Rhynard, 41, a past president and 33-year member of the Denver Mustang Club. He has swayed between love and hate of the snarl-boosting sound tube in his 2012 Mustang GT, but when it comes to computerized noise, he’s unequivocal: “It’s a mind-trick. It’s something it’s not. And no one wants to be deceived.”
That type of ire has made the auto industry shy about discussing its sound technology. Several attempts to speak with Ford’s sound engineers about the new F-150, a six-cylinder model of America’s best-selling truck that plays a muscular engine note through the speakers, were quietly rebuffed.
Car companies are increasingly wary of alerting buyers that they might not be hearing the real thing, and many automakers have worked with audio and software engineers to make their cars’ synthesized engine melody more realistic.
Volkswagen uses what’s called a “Soundaktor,” a special speaker that looks like a hockey puck and plays sound files in cars such as the GTI and Beetle Turbo. Lexus worked with sound technicians at Yamaha to more loudly amplify the noise of its LFA supercar toward the driver seat.
Some, including Porsche with its “sound symposer,” have used noise-boosting tubes to crank up the engine sound inside the cabin. Others have gone further into digital territory: BMW plays a recording of its motors through the car stereos, a sample of which changes depending on the engine’s load and power.
Orchestrated engine noise has become a necessity for electric cars, which run so quietly that they can provide a dangerous surprise for inattentive pedestrians and the blind. Federal safety officials expect to finalize rules later this year requiring all hybrid and electric cars to play fake engine sounds to alert passersby, a change that experts estimate could prevent thousands of pedestrian and cyclist injuries.
With traditional engines, some boosters have even celebrated artificial noise as a little added luxury. Without it, drivers would hear an unsettling silence or only the kinds of road racket they would rather ignore, like bumps in the pavement or the whine of the wind.
Yet even drivers who appreciate the accompaniment have questioned the mission. A SlashGear reviewer who otherwise enjoyed the new F-150 said the engine sound was piped in “arguably pointlessly.”
Which raises a more existential question: Does it matter if the sound is fake? A driver who didn’t know the difference might enjoy the thrum and thunder of it nonetheless. Is taking the best part of an eight-cylinder rev and cloaking a better engine with it really, for carmakers, so wrong?
Not everyone is so diplomatic. Karl Brauer, a senior analyst with Kelley Blue Book, says automakers should stop the lies and get real with drivers.
“If you’re going to do that stuff, do that stuff. Own it. Tell customers: If you want a V-8 rumble, you’ve gotta buy a V-8 that costs more, gets worse gas mileage and hurts the Earth,” Brauer said. “You’re fabricating the car’s sexiness. You’re fabricating performance elements of the car that don’t actually exist. That just feels deceptive to me.”
http://www.washingtonpost.com/business/economy/americas-best-selling-cars-and-trucks-are-built-on-lies-the-rise-of-fake-engine-noise/2015/01/21/6db09a10-a0ba-11e4-b146-577832eafcb4_story.html


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