Sensors | Free Full-Text | Near-Field Sound Localization Based on the Small Profile Monaural Structure
Microsoft details Cortana Wake on Voice and Far-field technology - MSPoweruser
Amazon.com: Andrea Communications C1-1025400-1 Model ANC-300 Hand-Held Computer Microphone, Dual functionality, Three position selector switch (Near Field (Hand-held), Far Field (Desktop) or Mute) : Electronics
Near Field Acoustic Beamforming
Sound Fields: Free versus Diffuse Field, Near versus Far Field