Efficient implementations of first-order steerable differential microphone arrays with arbitrary planar geometry
We present a spatial filtering approach to first-order steerable Differential Microphone Arrays
(DMAs) with arbitrary planar geometry. In particular, the design of the spatial filter is based …
(DMAs) with arbitrary planar geometry. In particular, the design of the spatial filter is based …
Uniform linear arrays of first-order steerable differential microphones
We propose a spatial filtering method for linear arrays of First-Order Steerable Differential
Microphones (FOSDMs), which operates in two layers. In the former, signals acquired by …
Microphones (FOSDMs), which operates in two layers. In the former, signals acquired by …
Two-stage beamforming with arbitrary planar arrays of differential microphone array units
Differential Microphone Arrays (DMAs) are of great interest in the literature on small-sized
microphone arrays, due to their good directivity properties and nearly frequency-invariant …
microphone arrays, due to their good directivity properties and nearly frequency-invariant …
A beamforming-based joint estimation method for gas pipeline leak localization
X Zheng, Q Wang, S Xue, C Zheng - Measurement, 2021 - Elsevier
This paper proposes a beamforming-based joint estimation method to improve the accuracy
and robustness of the localization method that measures acoustic signals caused by gas …
and robustness of the localization method that measures acoustic signals caused by gas …
Efficient continuous beam steering for planar arrays of differential microphones
A Bernardini, M D'Aria, R Sannino… - IEEE Signal Processing …, 2017 - ieeexplore.ieee.org
Performing continuous beam steering, from planar arrays of high-order differential
microphones, is not trivial. The main problem is that shape-preserving beams can be …
microphones, is not trivial. The main problem is that shape-preserving beams can be …
Wave digital implementation of robust first-order differential microphone arrays
In this letter, a novel time-domain implementation of robust first-order differential microphone
arrays (DMAs), based on wave digital filters, is presented. The proposed beamforming …
arrays (DMAs), based on wave digital filters, is presented. The proposed beamforming …
On differential beamforming with nonuniform linear microphone arrays
While differential beamforming with uniform linear arrays (ULAs) has been widely studied,
there is little work so far regarding the design of differential beamformers with nonuniform …
there is little work so far regarding the design of differential beamformers with nonuniform …
Steerable differential beamformers with planar microphone arrays
Humanoid robots require to use microphone arrays to acquire speech signals from the
human communication partner while suppressing noise, reverberation, and interferences …
human communication partner while suppressing noise, reverberation, and interferences …
Frequency-domain design of asymmetric circular differential microphone arrays
Circular differential microphone arrays (CDMAs) facilitate compact superdirective
beamformers whose beampatterns are nearly frequency invariant. In contrast to linear …
beamformers whose beampatterns are nearly frequency invariant. In contrast to linear …
On the design of time-domain differential microphone arrays
Differential microphone arrays (DMAs) are characterized as compact superdirective
beamformers whose beampatterns are almost frequency invariant. In this work, we present a …
beamformers whose beampatterns are almost frequency invariant. In this work, we present a …