Patent Review: Externally Coupled Loudspeaker System for a Vehicle, and an Externally Ducted Vehicle Loudspeaker

In this review, James Croft (Croft Acoustical) focuses on two patents. One granted to Harman Becker Automotive, and another granted the same year to Bose. The first describes a loudspeaker system arranged in a baffle inside a vehicle, configured to radiate an acoustical signal to the passenger compartment using an active noise control system.The second describes various implementations of “vehicle loudspeakers and related vehicle audio systems,” including the use of passive radiators.

Audio technology startup Resonado Labs announced that the world’s first-ever Resonado FCS-Enabled sound system will be available in the recently launched first generation of Airstream’s Interstate 24X touring coaches. This is the first of three systems designed by Resonado Labs for Airstream, the other two of which will soon be available in Airstream’s 2022 Atlas, Interstate 24GL, Interstate 24GT, and Interstate 19, all of which will be available later in 2021.

Originally published as part of the Automotive Audio Solutions Market Update feature in audioXpress June 2021, this article offers an overview on how British audio pioneer Meridian Audio is transforming listening experiences with new technologies for the car. For more than 10 years, Meridian has built a strong presence within the automotive market, with outstanding recent examples available for McLaren Automotive, Jaguar Land Rover, Human Horizons, Rivian, and Kia. The article details the company's approach with 3D surround sound and immersive in-car audio systems that combine all its digital processing solutions.

Sony introduced the Mobile ES car speaker and subwoofer range, including five new drivers, which the company believes will set a new standard for in-car entertainment. Developed with various technical updates, the Sony Mobile ES range includes four coaxial designs and one new subwoofer driver, all featuring newly optimized speaker diaphragm materials and ready to support High-Resolution Audio source material.