Hyundai Mobis develops display-synchronized movable sound system, targets global carmakers

With automobiles no longer merely a means of transportation and evolving into a multifunctional space where people can relax, entertain themselves and interact with one another, companies are pushing the vehicle interior envelope. Automotive interior design is undergoing transformation to not only ensure passenger safety and convenience but also to deliver a differentiated user experience.

Hyundai Mobis has announced its recent development of a new movable sound system synchronized with the movement of the display installed in the driver’s seat (cockpit). This technology is part of its effort to create a unique interior design and ensure optimal sound quality in various display scenarios.

The movable sound system is designed to work in perfect synchronization with the rollable display. This innovative technology features a large 30-inch display that can be adjusted according to driving conditions, providing users with information including navigation, music and videos. When the display is operational, the speakers installed on the right, left and centre of the vehicle’s front adjust their angle and move to minimize interference from surrounding sound waves and ensure optimal quality.

The movable sound system adjusts the angle of each speaker according to the display deployment situation to deliver vivid sound quality to the user. L-R: Speaker deployment in stationary mode, low-speed driving mode, and high-speed driving mode.

Differentiated user experience
According to Hyundai Mobis, the rollable display expands to its maximum size, enabling driver and passengers to enjoy music and videos when the vehicle is in idle or in autonomous mode. At this point, the movable sound system reclines and directs sound toward the vehicle’s windshield to prevent sound interference caused by the fully expanded display.

In contrast, the display expands to only one-third of its original size during driving to ensure that the driver’s view remains unobstructed and only a minimum of driving information is displayed. During this time, the speaker orientates toward the driver, providing audio output. The speaker's position is dynamically adjusted based on the display's dimensions to deliver more vivid sound quality to the driver and passengers.

Hyundai Mobis states that it "has developed this innovative display-synchronized movable sound system in the view that the latest vehicle display pursues features such as large screen, high resolution and slim design in differentiating automotive interior design."

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