Abstract: This disclosure describes a wide band array that uses wideband beamforming with interference cancellation at multiple independent frequencies and spatial locations and main lobe steering at multiple independent frequencies and spatial locations. One embodiment uses one through N analysis filter bands 1410 coupled to one through N narrowband beamformers 1414 with the output processed through one through N synthesis bands and summed together to produce the full spectrum output signal 1426. Another embodiment uses one through M sensors with Discrete Fourier Transforms (DFT) and one through N frequency bins 1412 coupled to one through N narrowband beamformers 1414 processed through an Inverse DFT to produce the full spectrum output signal 1428. Another embodiment uses one through N sensor subarrays and one through N frequency bands 1406 coupled to one through N narrowband beamformers 1414 summed together to produce the full spectrum output signal 1422.

Abstract: This disclosure describes an apparatus and method of an embodiment of an invention that is improves Direction of Arrival (DOA) determinations. This embodiment of the apparatus includes a plurality of microphones coupled together as a microphone array used for beamforming, the plurality of microphones are positioned at predetermined locations and produce audio signals to be used to form a directional pickup pattern; a processor, memory, storage, and a power supply operably coupled to the microphone array, the processor configured to execute the following steps: processing an algorithm for a Direction of Arrival (DOA) determination; supplemental processing that improves the DOA processing.