On the Challenges of Acoustic Energy Mapping Using a WASN: Synchronization and Audio Capture [PDF]
Sensors, 2023 Acoustic energy mapping provides the functionality to obtain characteristics of acoustic sources, as: presence, localization, type and trajectory of sound sources. Several beamforming-based techniques can be used for this purpose.
Emiliano Ehecatl García-Unzueta +2 more
doaj +4 more sources
WASN-Based Day–Night Characterization of Urban Anomalous Noise Events in Narrow and Wide Streets [PDF]
Sensors, 2020 In addition to air pollution, environmental noise has become one of the major hazards for citizens, being Road Traffic Noise (RTN) as its main source in urban areas.
Francesc Alías +2 more
doaj +7 more sources
Aggregate Impact of Anomalous Noise Events on the WASN-Based Computation of Road Traffic Noise Levels in Urban and Suburban Environments [PDF]
Sensors, 2020 Environmental noise can be defined as the accumulation of noise pollution caused by sounds generated by outdoor human activities, Road Traffic Noise (RTN) being the main source in urban and suburban areas. To address the negative effects of environmental
Francesc Alías +2 more
exaly +7 more sources
A WASN-Based Suburban Dataset for Anomalous Noise Event Detection on Dynamic Road-Traffic Noise Mapping [PDF]
Sensors, 2019 Traffic noise is presently considered one of the main pollutants in urban and suburban areas. Several recent technological advances have allowed a step forward in the dynamic computation of road-traffic noise levels by means of a Wireless Acoustic Sensor
Rosa M Alsina-Pagès +2 more
exaly +6 more sources
WASN-Based Spectro-Temporal Analysis and Clustering of Road Traffic Noise in Urban and Suburban Areas [PDF]
Applied Sciences (Switzerland), 2022 Environmental noise has become one of the principal health risks for urban dwellers and road traffic noise (RTN) is considered to be the main source of these adverse effects.
Joan Claudi Socoró +2 more
exaly +4 more sources
Sons al Balcó: A Comparative Analysis of WASN-Based LAeq Measured Values with Perceptual Questionnaires in Barcelona during the COVID-19 Lockdown [PDF]
SensorsThe mobility and activity restrictions imposed in Spain due to the COVID-19 pandemic caused a significant improvement in the urban noise pollution that could be objectively measured in those cities with acoustic sensor networks deployed. This significant
Daniel Bonet-Solà +4 more
doaj +5 more sources
Edge-Computing Meshed Wireless Acoustic Sensor Network for Indoor Sound Monitoring [PDF]
Sensors, 2022 This work presents the design of a wireless acoustic sensor network (WASN) that monitors indoor spaces. The proposed network would enable the acquisition of valuable information on the behavior of the inhabitants of the space.
Selene Caro-Via +5 more
doaj +2 more sources
Closed‐form solution for scaling a wireless acoustic sensor network
IET Wireless Sensor Systems, 2023 A closed‐form solution for localising and synchronising an acoustic sensor node with respect to a Wireless Acoustic Sensor Network (WASN) is presented. The aim is to allow efficient scaling of a WASN by individually calibrating newly joined sensor nodes ...
Kashyap Patel +2 more
doaj +2 more sources
Research on a Method for Classifying Bolt Corrosion Based on an Acoustic Emission Sensor System [PDF]
SensorsHigh-strength bolts play a crucial role in ultra-high-pressure equipment such as bridges and railway tracks. Effective monitoring of bolt conditions is of paramount importance for common fault repair and accident prevention. This paper aims to detect and
Shuyi Di, Yin Wu, Yanyi Liu
doaj +2 more sources
Online distributed waveform-synchronization for acoustic sensor networks with dynamic topology
EURASIP Journal on Audio, Speech, and Music Processing, 2023 Acoustic sensing by multiple devices connected in a wireless acoustic sensor network (WASN) creates new opportunities for multichannel signal processing. However, the autonomy of agents in such a network still necessitates the alignment of sensor signals
Aleksej Chinaev +2 more
doaj +1 more source