Samsung has already shown off a phone with a selfie camera inside the display and we expect the Galaxy S10 to follow suit. But the next step in the fight against the top bezel is removing the traditional loudspeaker and using the display as one. We've heard of this before - Samsung is planning to use piezoelectric actuators embedded into the display to produce sound - Samsung calls it Sound on Display, and it will show it off at the Consumer Electronics Show in Vegas this January. This method of sound transition is not specifically new - the original Xiaomi Mi Mix used...
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