Dirac, a Swedish company that licenses out its audio-processing tech to big-name brands like BMW, Volvo, Xiaomi, and OnePlus, is today unveiling a new feature for mobile devices that it’s calling Dirac Bass. Aimed for use in smartphones and tiny portable speakers, Dirac Bass gets around the physical limitations of those small devices with a deft trick of psychoacoustics. Instead of trying to reproduce the deepest bass notes with micro-speakers that simply can’t operate at such frequencies, Dirac has designed a system that plays “a combination of artificially generated overtones that are several octaves higher,” which fools the human mind into perceiving deep bass.
Dirac claims that Dirac Bass will make frequencies as low as 30Hz audible...
from The Verge - Mobile Posts https://www.theverge.com/2018/12/18/18144289/dirac-bass-smartphone-audio-speakers-ces-2019
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