Recently Google acquired Dysonics, a startup that focused on 3D audio technology. The tech giant acquired the startup back in December 2021. The breakthrough was public while filing with the U.S. Patent and Trademark Office.
The filing points out some patents, including “Motion tracked binaural sound conversion of legacy recordings,” which was filed with the U.S. in 2013 and registered in 2016. Here’s the patent’s description:
Systems and methods are disclosed for a sound reproduction apparatus configured for receiving signals representative of the output of a plurality of microphones positioned to sample a sound field at points representing possible locations of a listener’s left and right ears when positioned in said sound field at the location of the microphones, receiving a location of at least one sound source relative to said plurality of microphones, receiving orientation data of the listener’s head, and calculating a binaural output using the sound source location, microphone output signals, and orientation data. The binaural output includes the full bandwidth of the microphone output signals.
Google has not announced anything about the acquisition and so it unclear what the company plans to do next. It may introduce another variation of the Pixel Buds that could include Dysonics’ technology. But it just speculation.
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