The Swedish digital audio company Dirac, along with electric automobile manufacturer Polestar, two of Sweden’s most esteemed technology companies, have expanded their collaboration to improve the audio performance of the new Polestar 3 with Dirac Opteo Professional.

The Polestar 3 features a 1,610-watt Bowers & Wilkins Surround Sound audio system that when combined with Dirac Opteo Professional—Dirac’s automotive audio platform—provides what Dirac calls a clear, balanced, and immersive sound experience that’s consistent across every seat of the vehicle.

“With Polestar 3, we wanted to deliver a high-end audio experience that allows passengers to feel the depth and breadth of the soundstage, experiencing every subtlety, no matter where they’re sitting in the car,” states Roger Hjelm, head of connected car at Polestar.

“To accomplish our goal, we collaborated with Bowers & Wilkins to provide class-leading in-car audio, then relied on Dirac to ensure the speakers sound their best. Our collaboration with Dirac, a fellow Swedish innovator, helped us ensure that our customers experience the market’s best automotive sound system.”

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Polestar emphasizes that achieving peak sound performance in cars takes high levels of research and design (R&D). The car cabin is regarded as one of the most challenging acoustic environments in the world because car speakers traditionally cannot perform as well as home audio systems, regardless.

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Polestar and Dirac point out that within any vehicle cabin, speakers can’t necessarily be positioned as optimally as they would, for example, in a home theater. As a result, speakers can interfere with each other, causing distortion and reducing audio clarity. The interference increases when more speakers are fitted. In addition, the car cabin itself adds unwanted sound coloration, resulting in muddy, booming sound that can make it difficult to discern where sound is coming from.

Dirac boasts its solution features patented multiple-input/multiple-output (MIMO) mixed phase impulse response correction technology, and when its Dirac Opteo Professional solution is combined with the Bowers & Wilkins surround sound speaker system, the collaboration of these technologies meet these challenges by enabling all the speakers in a car to work intelligently together and co-correct each other’s impulse response.

According to Dirac, the solution “erases” the car cabin and its unwanted effects. Dirac also notes the combination of its Opteo Professional solution and the Bowers & Wilkins system creates optimized loudspeaker responses for high levels of performance.

“Dirac is leading the world in automobile audio optimization, pioneering technologies that push the boundaries of automotive sound,” says Lars Carlsson, general manager of automotive audio, Dirac.

“As modern vehicles become increasingly complex, automakers like Polestar continue to rely on Dirac to help achieve their signature sound. Our Dirac Opteo Professional solution digitally optimizes speaker performance and ensures the perfect listening experience in any vehicle.”

Dirac Opteo Professional solution is built upon Dirac’s industry-first Intelligent Audio Platform (IAP). It is a data-driven measurement system, semi-automatic tuning tools, integrated sound optimization algorithms, and middleware to any hardware platform.

Bowers & Wilkins Surround Sound audio system has been specifically designed for the Polestar 3. It comprises 25 high-performance speakers and the brand’s proprietary technologies that include Tweeter-on-Top and Continuum Cone to help ensure a quality audio experience.

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