A consolidated perspective on multimicrophone speech enhancement and source separation
Speech enhancement and separation are core problems in audio signal processing, with
commercial applications in devices as diverse as mobile phones, conference call systems …
commercial applications in devices as diverse as mobile phones, conference call systems …
Distributed energy-saving speech enhancement in wireless acoustic sensor networks
Wireless acoustic sensor network (WASN) has shown great potential for speech
enhancement compared with traditional microphone arrays. As dealing with all sensor …
enhancement compared with traditional microphone arrays. As dealing with all sensor …
Distributed sensor selection for speech enhancement with acoustic sensor networks
In distributed acoustic sensor networks, only a few nodes make a significant contribution to
speech enhancement tasks. Using these most informative nodes instead of the entire …
speech enhancement tasks. Using these most informative nodes instead of the entire …
A low-cost robust distributed linearly constrained beamformer for wireless acoustic sensor networks with arbitrary topology
AI Koutrouvelis, TW Sherson… - … on Audio, Speech …, 2018 - ieeexplore.ieee.org
We propose a new robust distributed linearly constrained beamformer that utilizes a set of
linear equality constraints to reduce the cross power spectral density matrix to a block …
linear equality constraints to reduce the cross power spectral density matrix to a block …
Adaptation and learning over networks under subspace constraints—Part I: Stability analysis
This paper considers optimization problems over networks where agents have individual
objectives to meet, or individual parameter vectors to estimate, subject to subspace …
objectives to meet, or individual parameter vectors to estimate, subject to subspace …
Room geometry estimation from acoustic echoes using graph-based echo labeling
I Jager, R Heusdens… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
A computer being able to estimate the geometry of a room could benefit applications such as
auralization, robot navigation, virtual reality and teleconferencing. When estimating the …
auralization, robot navigation, virtual reality and teleconferencing. When estimating the …
Distributed parameterized topology-independent noise reduction in acoustic sensor networks
R Chang, Z Chen, F Yin - Applied Acoustics, 2023 - Elsevier
Distributed noise reduction is a challenging task in acoustic sensor networks (ASNs). To
address the problem, a distributed parameterized topology-independent noise reduction …
address the problem, a distributed parameterized topology-independent noise reduction …
Distributed sparse MVDR beamforming using the bi-alternating direction method of multipliers
M O'Connor, WB Kleijn… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
Until now, distributed acoustic beamforming has focused on optimizing for a beamformer
over an entire network, with each node contributing to the beamformer output. We present a …
over an entire network, with each node contributing to the beamformer output. We present a …
A distributed algorithm for robust LCMV beamforming
T Sherson, WB Kleijn… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
In this paper we propose a distributed reformulation of the linearly constrained minimum
variance (LCMV) beamformer for use in acoustic wireless sensor networks. The proposed …
variance (LCMV) beamformer for use in acoustic wireless sensor networks. The proposed …
Deep ad-hoc beamforming
XL Zhang - Computer Speech & Language, 2021 - Elsevier
Far-field speech processing is an important and challenging problem. In this paper, we
propose deep ad-hoc beamforming, a deep-learning-based multichannel speech …
propose deep ad-hoc beamforming, a deep-learning-based multichannel speech …