Eigenvalue decomposition of a parahermitian matrix: Extraction of analytic eigenvectors

S Weiss, IK Proudler, FK Coutts… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
An analytic parahermitian matrix admits in almost all cases an eigenvalue decomposition
(EVD) with analytic eigenvalues and eigenvectors. We have previously defined a discrete …

Signal compaction using polynomial EVD for spherical array processing with applications

VW Neo, C Evers, S Weiss… - IEEE/ACM Transactions …, 2023 - ieeexplore.ieee.org
Multi-channel signals captured by spatially separated sensors often contain a high level of
data redundancy. A compact signal representation enables more efficient storage and …

Polynomial eigenvalue decomposition for multichannel broadband signal processing: a mathematical technique offering new insights and solutions

VW Neo, S Redif, JG McWhirter… - IEEE Signal …, 2023 - ieeexplore.ieee.org
This article is devoted to the polynomial eigenvalue decomposition (PEVD) and its
applications in broadband multichannel signal processing, motivated by the optimum …

Polynomial eigenvalue decomposition-based target speaker voice activity detection in the presence of competing talkers

VW Neo, S Weiss, SW McKnight… - … on Acoustic Signal …, 2022 - ieeexplore.ieee.org
Voice activity detection (VAD) algorithms are essential for many speech processing
applications, such as speaker diarization, automatic speech recognition, speech …

A polynomial subspace projection approach for the detection of weak voice activity

VW Neo, S Weiss, PA Naylor - 2022 Sensor Signal Processing …, 2022 - ieeexplore.ieee.org
A voice activity detection (VAD) algorithm identifies whether or not time frames contain
speech. It is essential for many military and commercial speech processing applications …

On intrusive speech quality measures and a global SNR based metric

C Pan, J Chen, J Benesty - Speech Communication, 2024 - Elsevier
Measuring the quality of noisy speech signals has been an increasingly important problem
in the field of speech processing as more and more speech-communication and human …

Fixed beamformer design using polynomial eigenvalue decomposition

VW Neo, E d'Olne, AH Moore… - … Workshop on Acoustic …, 2022 - ieeexplore.ieee.org
Array processing is widely used in many speech applications involving multiple
microphones. These applications include automatic speech recognition, robot audition …

Postfilter for Dual Channel Speech Enhancement Using Coherence and Statistical Model-Based Noise Estimation

S Cheong, M Kim, JW Shin - Sensors, 2024 - mdpi.com
A multichannel speech enhancement system usually consists of spatial filters such as
adaptive beamformers followed by postfilters, which suppress remaining noise. Accurate …

Low-rank para-hermitian matrix evd via polynomial power method with deflation

FA Khattak, IK Proudler, S Weiss - 2023 IEEE 9th International …, 2023 - ieeexplore.ieee.org
The power method in conjunction with deflation provides an economical approach to
compute an eigenvalue decomposition (EVD) of a low-rank Hermitian matrix, which typically …

Speech enhancement in distributed microphone arrays using polynomial eigenvalue decomposition

E d'Olne, VW Neo, PA Naylor - 2022 30th European Signal …, 2022 - ieeexplore.ieee.org
As the number of connected devices equipped with multiple microphones increases,
scientific interest in distributed microphone array processing grows. Current beamforming …