Which OEM invested in DSP Concepts? 0 By Web Team on February 24, 2020 Quiz Which OEM recently purchased a US$14.5m (€13.4m) stake in Silicon Valley-based DSP Concepts, which specializes in developing software for audio signal processing and audio algorithms? Mercedes-Benz Ford Honda Porsche Aston Martin JLR Hyundai Renault Continue >> PLAY AGAIN ! Share. Twitter Facebook Google+ Pinterest LinkedIn Tumblr Email