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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2412.05123 |
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| _version_ | 1866912147240386560 |
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| author | Galougah, Siminfar Samakoush Duraiswami, Ramani |
| author_facet | Galougah, Siminfar Samakoush Duraiswami, Ramani |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_05123 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Applying Automatic Differentiation to Optimize Differential Microphone Array Designs Galougah, Siminfar Samakoush Duraiswami, Ramani Sound Audio and Speech Processing 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. |
| title | Applying Automatic Differentiation to Optimize Differential Microphone Array Designs |
| topic | Sound Audio and Speech Processing |
| url | https://arxiv.org/abs/2412.05123 |