Acoustic sensing from a multi-rotor drone

L Wang, A Cavallaro - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
We propose a time-frequency processing method that localizes and enhances a target
sound by exploiting spectral and spatial characteristics of the ego-noise captured by a …

Deep learning assisted time-frequency processing for speech enhancement on drones

L Wang, A Cavallaro - IEEE Transactions on Emerging Topics …, 2020 - ieeexplore.ieee.org
This article fills the gap between the growing interest in signal processing based on Deep
Neural Networks (DNN) and the new application of enhancing speech captured by …

A blind source separation framework for ego-noise reduction on multi-rotor drones

L Wang, A Cavallaro - IEEE/ACM Transactions on Audio …, 2020 - ieeexplore.ieee.org
Acoustic sensing from a multi-rotor drone is heavily degraded by the strong ego-noise
produced by the rotating motors and propellers. To address this problem, we propose a …

Over-determined source separation and localization using distributed microphones

L Wang, JD Reiss, A Cavallaro - IEEE/ACM Transactions on …, 2016 - ieeexplore.ieee.org
We propose an overdetermined source separation and localization method for a set of M
microphones distributed around an unknown number, N<; M, of sources. We reformulate the …

Deep-learning-assisted sound source localization from a flying drone

L Wang, A Cavallaro - IEEE Sensors Journal, 2022 - ieeexplore.ieee.org
Sound source localization from a flying drone is a challenging task due to the strong ego-
noise from rotating motors and propellers as well as the movement of the drone and the …

Microphone-array ego-noise reduction algorithms for auditory micro aerial vehicles

L Wang, A Cavallaro - IEEE Sensors Journal, 2017 - ieeexplore.ieee.org
When a micro aerial vehicle (MAV) captures sounds emitted by a ground or aerial source, its
motors and propellers are much closer to the microphone (s) than the sound source, thus …

Srp-dnn: Learning direct-path phase difference for multiple moving sound source localization

B Yang, H Liu, X Li - ICASSP 2022-2022 IEEE International …, 2022 - ieeexplore.ieee.org
Multiple moving sound source localization in real-world scenarios remains a challenging
issue due to interaction between sources, time-varying trajectories, distorted spatial cues …

Moving sound source localization and tracking for an autonomous robot equipped with a self-rotating bi-microphone array

D Gala, L Sun - The Journal of the Acoustical Society of America, 2023 - pubs.aip.org
In this paper, we present two approaches to localizing and tracking a sound source that
moves in a three-dimensional (3D) space. The sound signal was captured by a unique bi …

A feature-based data association method for multiple acoustic source localization in a distributed microphone array

X Dang, H Zhu - The Journal of the Acoustical Society of America, 2021 - pubs.aip.org
Multisource localization using time difference of arrival (TDOA) is challenging because the
correct combination of TDOA estimates across different microphone pairs, corresponding to …

Multiple sound source counting and localization based on TF-wise spatial spectrum clustering

B Yang, H Liu, C Pang, X Li - IEEE/ACM Transactions on Audio …, 2019 - ieeexplore.ieee.org
This paper addresses the problem of multiple sound source counting and localization in
adverse acoustic environments, using microphone array recordings. The proposed time …