Comparison of microphone array measurements in the closed test section of LSWT and ETW
Sign Up to like & getrecommendations! Published in 2019 at "CEAS Aeronautical Journal"
DOI: 10.1007/s13272-019-00386-1
Abstract: Aeroacoustic measurements in wind tunnels are a common tool in the determination of sound sources on scaled models. Measurements are performed worldwide in comparable wind tunnels. It is however not known to what degree a… read more here.
Keywords: array measurements; microphone; microphone array; comparison microphone ... See more keywords
A Python framework for microphone array data processing
Sign Up to like & getrecommendations! Published in 2017 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2016.09.015
Abstract: Abstract Acoular is an open source object-oriented Python package for microphone array data processing. It supports various methods for sound source characterization and mapping. The background of these methods, which rely on synchronously captured microphone… read more here.
Keywords: microphone; data processing; microphone array; array data ... See more keywords
Microphone array based automated environmental noise measurement system
Sign Up to like & getrecommendations! Published in 2018 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2018.07.004
Abstract: Abstract State of the art environmental noise monitoring systems are based on digital signal processing. In general, they measure and store environmental noise levels, but also perform computation, spectral filtering, narrowband spectral analysis, evaluation of… read more here.
Keywords: system; noise source; measurement; microphone array ... See more keywords
Dynamic welding process monitoring based on microphone array technology
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Manufacturing Processes"
DOI: 10.1016/j.jmapro.2020.12.023
Abstract: Abstract In this paper, microphone array technology was used to monitor the dynamic pulsed GMAW process. At first, the splash sound signal is successfully separated out based on FastICA blind signal separation algorithm, and its… read more here.
Keywords: microphone array; array technology; process; dynamic welding ... See more keywords
High channel count microphone array accurately and precisely localizes ultrasonic signals from freely-moving mice
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Neuroscience Methods"
DOI: 10.1016/j.jneumeth.2017.12.013
Abstract: BACKGROUND An integral component in the assessment of vocal behavior in groups of freely interacting animals is the ability to determine which animal is producing each vocal signal. This process is facilitated by using microphone… read more here.
Keywords: high channel; methodology; vocal signals; channel count ... See more keywords
Experimental locating of rotor sound source using a compact microphone array
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Renewable and Sustainable Energy"
DOI: 10.1063/5.0003236
Abstract: As wind-power installations increase rapidly worldwide in both number and capacity, the noise problems created by wind turbines, which increasingly are being installed near residential areas, are becoming more pressing. For noise-reduction purposes, a wind… read more here.
Keywords: wind; source; microphone array; noise ... See more keywords
MEMS piezoelectric resonant microphone array for lung sound classification
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Micromechanics and Microengineering"
DOI: 10.1088/1361-6439/acbfc3
Abstract: This paper reports a highly sensitive piezoelectric microelectromechanical systems (MEMS) resonant microphone array (RMA) for detection and classification of wheezing in lung sounds. The RMA is composed of eight width-stepped cantilever resonant microphones with Mel-distributed… read more here.
Keywords: microphone array; classification; resonant microphone; microphone ... See more keywords
Microphone-Array Ego-Noise Reduction Algorithms for Auditory Micro Aerial Vehicles
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2017.2669262
Abstract: 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 leading to extremely low signal-to-noise… read more here.
Keywords: ego noise; microphone array; noise; time frequency ... See more keywords
An Analytical Method for 3-D Sound Source Localization Based on a Five-Element Microphone Array
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3197783
Abstract: An analytical method for 3-D sound source localization based on a five-element microphone array is proposed in this work. With four time-difference-of-arrival (TDOA) values, the proposed method realizes the sound source localization by analytical solution.… read more here.
Keywords: localization; microphone array; five element; microphone ... See more keywords
Minimum Energy Method (MEM) microphone array back-propagation for measuring musical wind instruments sound hole radiation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4988269
Abstract: Using a 128 microphone array, the sound source distribution of musical wind instruments from their blowing and finger holes are measured. The Japanese \emph{shakuhachi} flute, the Chinese \emph{dizi} transverse flute, the Balinese \emph{suling} bamboo flute… read more here.
Keywords: energy; wind instruments; musical wind; microphone array ... See more keywords
Using a linear microphone array to evaluate inhomogeneous sound-fields of recreated enclosures
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5147457
Abstract: Auditory Virtual Environments (AVE) typically recreate the sound at a specific listener position. Extended loudspeaker-based systems typically use the rich capabilities to enlarge the sweet spot, so a broader audience can experience the sound from… read more here.
Keywords: inhomogeneous sound; linear microphone; sound fields; microphone array ... See more keywords