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Method and apparatus for audio capture using beamforming ...

    https://pubchem.ncbi.nlm.nih.gov/patent/CN-110140360-B#:~:text=1%20Abstract%20An%20apparatus%20for%20capturing%20audio%20includes,%28309%2C%20311%29%20each%20produce%20constrained%20beamformed%20audio%20output.
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Method and apparatus for audio capture using …

    https://pubchem.ncbi.nlm.nih.gov/patent/CN-110140360-B
    An apparatus for capturing audio includes a first beamformer (305) coupled to a microphone array (301) and arranged to generate a first beamformed audio output. A plurality of constrained beamformers (309, 311) each produce constrained beamformed audio output.

The Front End Implementation of An Audio Beamformer for ...

    https://dspace.mit.edu/bitstream/handle/1721.1/87400/53448369-MIT.pdf?sequence=2
    For this thesis, the beamformer is implemented with a microphone sensor array and the RAW processor[4] is used to perform the beamforming algorithms. Since we are implementing a digital beamformer, the microphone audio data is digitized by Analog/Digital (A/D) converters. 1.1.1 Beamforming Algorithm

Spatial Signal Processing (Beamforming)

    http://www.personal.psu.edu/faculty/m/x/mxm14/sonar/beamforming.pdf
    • Directivity – A beamformer is a spatial filter and can be used to increase the signal-to-noise ratio by blocking most of the noise outside the directions of interest. • Side lobe control – No filter is ideal. Must balance main lobe directivity and side lobe levels, which are related. • Beam steering – A beamformer can be ...

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