One obvious benefit there is the fact that this would allow manufacturers to remove speaker modules and free up space for other components, like bigger batteries. The transfer of shares was confirmed on December 13 based on United Kingdom regulatory filings.
With the acquisition, Google now has an extra 178 patents under its belt, which it can use to enhance its future smartphone and other devices - perhaps even future Google Home hardware. However, it is believed the deal went through in August.
"Redux has developed breakthrough technology which transforms the user experience by bringing surfaces to life with Sound and Touch", it said in an "about us" section of the company.
Google has snapped up the tech to make full-screen smartphones without an iPhone X style notch, using the touchscreen itself as a speaker. The sound quality is said to be "decent".
Though Redux's website has been shut down, you can check out a web archive of the site where the company explains its technology and mentions that it has 177 total patents, with 115 of them granted.
So far, Redux has only been able to use its technologies inside PCs and some vehicle infotainment systems - but that could be about to change. Google did not say how it plans to implement Redux's technology.
Google Pixel 2 and Pixel 2 XL smartphones both feature dual front-facing speakers, which has been welcomed by many critics and users. The Verge had some hands-on time with the company's tech previous year, trying out a tablet which vibrated its screen to function as a speaker, as well as a number of displays that used haptic feedback to mimic the feel of buttons, sliders, and dials.
At CES 2018, Google mainly focused on promoting its smart speakers and its new line of Smart Display devices, its direct competitor to the Amazon Echo Show.