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Forming a beam (directional gain) and, sometimes, shifting the beam direction.

1 vote

Amplify Sound From Known Direction

As you record signals (like Stanley Pawlukiewicz mentioned) you can perform the "beamforming process" after the recording, which is something quite common. …
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What's the point of differential beamforming?

Similarly, assumption 3 is used extensively for broadside beamforming (although spherical wave approaches have been used and are very similar to the plane wave approximation). … You cannot achieve such a thing without using special techniques for broadside beamforming. …
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