Near-field beamforming divides the space directly in front of the microphone array ... 3d space. Alternatively, the system can run a far-field beamform, and locate a sound source in a 2d direction ...

Hydrogen, an ultra-wideband (UWB) radar SoC from Aria Sensing, delivers 3D MIMO beamforming with programmable pulse bandwidths ... and four receiving antenna channels with flexible and scalable array ...