The main technology behind audio zoom is called beamforming, or spatial filtering. When the strength of this effect is controlled dynamically - for example, together with the video camera’s visual zooming - then the effect is called Audio Zoom.” - Nokia’s Audio Zoom description
“Audio Focus technology enables the selection of desired direction and attenuates the incoming sounds from other directions.
Zoom it works pro#
Nokia’s Audio Zoom technology is featured in the brand-new Oppo Find X2 and X2 Pro and most recently, the newly-announced Huawei P40 series as well as the OnePlus 8 Pro also boast audio zoom.
But the iPhone 11 Pro and the Galaxy Note 10+/20 Ultra are not the only devices featuring an Audio Zoom: the first instance goes all the way back to 2013, with the LG G2, followed by the HTC H11 in 2017. Zoom out, and the surrounding sound is no longer suppressed.”Īlong with Samsung, Apple also has equipped its latest device, the iPhone 11 Pro, with this technology. Here’s how Samsung describes the feature: “With the Zoom-In Mic, you can use a pinch gesture on the screen while recording video to zoom in or out, and as you zoom in, the sounds of the subject you zoom in on become louder. Given how useful it is, it was only a matter of time until the smartphone industry emulated it, bringing it to our fingertips under the official term of Audio Zoom. This ability of our brain to do this, studied in psychoacoustics, is called the Cocktail Party Effect. The phenomenon of our brain’s ability to focus on a precise auditory element while filtering out all other sounds is called the “Cocktail Party Effect.”
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