Computer Science > Sound
[Submitted on 6 Dec 2024]
Title:Applying Automatic Differentiation to Optimize Differential Microphone Array Designs
View PDF HTML (experimental)Abstract:This paper introduces a novel methodology leveraging differentiable programming to design efficient, constrained adaptive non-uniform Linear Differential Microphone Arrays (LDMAs) with reduced implementation costs. Utilizing an automatic differentiation framework, we propose a differentiable convex approach that enables the adaptive design of a filter with a distortionless constraint in the desired sound direction, while also imposing constraints on microphone positioning to ensure consistent performance. This approach achieves the desired Directivity Factor (DF) over a wide frequency range and facilitates effective recovery of wide-band speech signals at lower implementation costs.
Submission history
From: Siminfar Samakoush Galougah [view email][v1] Fri, 6 Dec 2024 15:29:48 UTC (403 KB)
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