A Denoising Preprocessing Framework via Orthogonal Multi-Tap Null-Steering Beamformer Bank: Facilitating Target Signal Preservation Under Low SINR Conditions and Complex Soundscapes. [PDF]
Sensors (Basel)Chen L, Xu Z, Su P, Zhao Z.
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An ambient acoustic ice-fracturing dataset taken in shallow freshwater. [PDF]
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Throat and acoustic paired speech dataset for deep learning-based speech enhancement. [PDF]
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Short-Time Homomorphic Deconvolution (STHD): A Novel 2D Feature for Robust Indoor Direction of Arrival Estimation. [PDF]
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Identification of decision-making criteria for device selection by cochlear implant patients - a pilot study. [PDF]
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Design study on microphone arrays
2015 IEEE International Conference on Digital Signal Processing (DSP), 2015This paper presents a design of microphone array system that is intended for conference room applications. Different microphone array configurations have been considered in this work to demonstrate the importance of array layout. The filter-and-sum broadband beamformer is designed by using weighted least square (WLS) optimization method.
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Microphone arrays and speaker identification
IEEE Transactions on Speech and Audio Processing, 1994Hands-free operation of speech processing equipment is sometimes desired so that the user is unencumbered by hand-held or body-worn microphones. This paper explores the use of array microphones to capture speech under adverse acoustic conditions, and provide input to a system for automatic speaker identification.
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On Spatial Aliasing in Microphone Arrays
IEEE Transactions on Signal Processing, 2009Microphone arrays sample the sound field in both space and time with the major objective being the extraction of the signal propagating from a desired direction-of-arrival (DOA). In order to reconstruct a spatial sinusoid from a set of discrete samples, the spatial sampling must occur at a rate greater than a half of the wavelength of the sinusoid ...
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