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Video: Xperia Z4 Tablet sports Qualcomm tech for a more responsive wet display

Sony's Xperia Z4 Tablet features Qualcomm improveTouch technology to improve the tablet's touch responsiveness when the display is wet.

Published onAugust 4, 2015

sony xperia z4 tablet 24

Water resistant smartphones are pretty neat, especially if you are a little accident prone like myself. However, it is still rather frustrating when a little splash brings your phone’s touchscreen to its knees. Sony is pretty keen on waterproofing its devices and its latest Xperia Z4 Tablet makes use of Qualcomm’s improveTouch technology for a more responsive screen when wet.

Qualcomm is a little shy about telling us exactly how it works, but improveTouch is apparently an algorithm based solution that uses the tablet’s processor to establish a difference between actual finger touches and traces of water on the display.

Qualcomm calls this “advanced water rejection”, which aims to eliminate false touches from water, thereby improving the accuracy of your actual gestures on a wet display. It works with multi-touch too, so pinch and swipe gestures continue to register pretty well. The video below shows us the tech in action.

In typical Qualcomm fashion, the company has integrated this technology into its Snapdragon line-up of processors, meaning that a smartphone or tablet manufacturer doesn’t have to purchase and implement an additional microcontroller to oversee this type of touch control.

The Xperia Z4 Tablet makes use of Qualcomm’s Snapdragon 810 SoC, which suggests that other devices could also implement this improveTouch technology, presumably providing that the display hardware is also compatible.

Pretty cool right? Is water resistance still high on your list of priority smartphone features?

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