In the below video from Microsoft, true recording prowess of Lumia 930 is on display featuring the Binaural Recording capability, courtesy its 4 HAAC Microphones.
The 3D Sound – it’s awesome by the way!
This is how Microsoft describes it
The Lumia 930 is a powerful workhorse, packed with hardware such as a 20-megapixel camera with ZEISS optics.
But did you know that this premium device also serves as an on-the-go recording studio? With its four perfectly placed omni-directional microphones–two on the front of the Lumia 930 and two on the back–you can record true, high-quality three-dimensional sound in your videos.
It’s a process called binaural recording, which allows for interaural differences (the difference between sound arriving at the left ear and right ear) to more accurately reproduce sound.