A differentiable-optimization method jointly tunes microphone spacing and filter weights to match a target differential microphone-array beampattern.
The optimization problem is solved by considering two variables: filter coefficients and microphone positions
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Differentiable Optimization of Linear Differential Microphone Arrays: A Joint Geometry and Filter Design Framework
A differentiable-optimization method jointly tunes microphone spacing and filter weights to match a target differential microphone-array beampattern.