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Continental Plays with the Future of Car Audio

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The drowning sound is the siren song of car audio manufacturers and attracts customers not to their death but to the list of options. Audi Offers Bang & Olufsen’s 3D premium sound system, Mercedes Rocks High level 3D in Burmaster Surround-Sound System, Range Rovers Meridian The noise around the three-dimensional cars is promising. Bose has been making surround sounds since 1996 after making it Its first factory-installed audio system 1983 for Cadillac Seville.

These days it takes a bouquet of speakers and a lot of power to recreate the primitive, immersive acoustics of a medieval cathedral. those Bowers and Wilkins system The Maserati Levante can drop 1280 watts through 17 speakers. those NAIM unit in Bentley flyover 2200 watts dishes through 21 speakers. those Revel Ultima 3D system Lincoln puts 28 speakers and 1,200 watts in the Aviator. The Platinum Tim of the 2021 Cadillac Escalade features a 36-speaker AKG Studio reference system.

Manufacturers can continue to add speakers until there is enough space left in the vehicle, or perhaps the next step is the approach taken by Continental Automotive. With it Ac2ated Technology, the most popular German supplier of tires, makes the vehicle a speaker, a process that can save weight, energy, space and change the way designers approach the vehicle’s cockpit.

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Cars and drivers

Ac2ated uses either accumulators (hence the name) or exciter. The accumulator is a small, puck-like cylinder with an active surface that is capable of high-frequency vibrations. Susan Drescher, a specialist in Continental’s innovation and anthropometric interfaces, said: “We put a stimulus on the surface of a vehicle and it becomes the speaker of your car, giving very little vibration to create sound from that surface. , Unlike mounting a car speaker. ”

The principle is the only method that uses the violin or acoustic guitar, where the strings send vibrations that resonate through the instrument. Science also works on glass and plastic. According to the Continental newspaper, car owners “feel like sitting in a concert hall surrounded by noise.”

How the ac2ated system operates on the continent

Continental A.G.

Technology is not uncommon. Amazon Dayton Audio Exciters sells for $ 20 and companies like it Drive Build systems for home and office use. Technology is not new either. Free drivers U.S. Automotive Supplier in 2007 and 2013 Johnson controller production A behind-the-scenes video of its light-hearted audio system with the help of studio engineer Tony Bongiovi (John Bon Jovi’s second cousin).

Continental debuted at the Ac2ated 2018 Consumer Electronics Show for the first time. At CES 2020, Continental announced a partnership with Sennheiser, which paired Ac2ated with Sennheiser’s AMBEO 3D technology. AMBEO provides a digital algorithm-enhancing algorithm that spreads sound throughout the vehicle with enhanced spatial reproduction and reliability.

Since operators live within the structure of the vehicle like traditional speakers, it is necessary to work with a car manufacturer as the vehicle is designed to operate properly with Ac2ated. Rolls Royce and its bespoke audio producer For Phantom II.

Continental says A-pillars in general are a good place to produce high frequencies for exciters, while door panels are best suited for midrange and head liners and rear rack bass. However, an activator can be placed almost anywhere where hard materials work, rather than soft materials. “We are working very fast [asking an OEM]”Dresher said, ‘You don’t pack padding around it because you need some air space because of what the surface covers and how much air space there is in that surface. ”

After positioning the accumulator, the Continental and Sennheiser system tunes. The dynamic range of Ac2ated covers the human auditory spectrum from 20 Hz to 20 kHz and beyond. The system can be programmed with noise cancellation features just like current systems. Furthermore, Audiophiles controls bass, tribe, balance and fader.

However, the main advantage of Ac2ated is that it does not replace traditional sound reproduction. The most important benefits are saving weight and space, freeing up design and conserving energy.

According to Continental, a traditional high-end audio system uses between 10 and 20 speakers – even the Dodge Charger can be selected with up to 19 speakers – and weighs up to 33 pounds, with a total volume of 0.4 to 1 cubic foot. Drescher said Ac2ated’s Twitter and midrange units are not smaller than traditional speakers, but the bass unit is significantly smaller and the subwoofer does not need a “because your car is a box” box. The Ac2ated system requires a smaller number of pieces, and can have up to 13 “speakers” producing 12 channels of audio. Compared to traditional speaker arrays, the high-end Ac2ated system weighs about two pounds and measures 0.04 cubic feet. Heavy savings help all cars but especially electric cars. Ac2ated provides less power and the system is less expensive than traditional speakers. Continental works for external noise for electric vehicles, where it becomes the sheet metal tool.

Since we were all next door to a neighboring car with a 22-inch subwoofer, we wondered: How can an Ac2ated car not die from shock? “It wasn’t that much of a shake,” Dresher said. Vibrations are barely detectable.

How soon will this future come? Dresher told us that Continental is currently working with OEM. which one? She does not say. That’s a big secret. But by changing the way we listen, Continental helps revolutionize the look and feel of the cockpit. Scattered speaker grills give designers more freedom without the need. “It’s a big change in the future interior,” Drescher said. “We see these cleaner, simpler, minimalist interiors coming.”

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