Inter-floor noise classification using convolutional neural network.
In apartment houses, noise between floors can disturb pleasant living environments and cause disputes between neighbors. As a means of resolving disputes caused by inter-floor noise, noises are recorded for 24 hours in a household to verify whether the inter-floor noise exceeded the legal standards....
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doaj-8f9d10c30cbc440b83c0df3e8931530c2021-03-04T12:56:35ZengPublic Library of Science (PLoS)PLoS ONE1932-62032020-01-011512e024375810.1371/journal.pone.0243758Inter-floor noise classification using convolutional neural network.Hye-Kyung ShinSang Hee ParkKyoung-Woo KimIn apartment houses, noise between floors can disturb pleasant living environments and cause disputes between neighbors. As a means of resolving disputes caused by inter-floor noise, noises are recorded for 24 hours in a household to verify whether the inter-floor noise exceeded the legal standards. If the noise exceeds the legal standards, the recorded sound is listened to, and it is checked whether the noise comes from neighboring households. When done manually, this process requires time and is costly, and there is a problem of whether the listener's judgments of the sound source are consistent. This study aims to classify inter-floor noise according to noise sources by using a convolutional neural network model. A total of 1,515 sound sources of data recorded for 24 h from three households were annotated, and 40 4s audio clips of six noise sources, including "Footsteps," "Dragging furniture," "Hammering," "Instant impact (dropping a heavy item)," "Vacuum cleaner," and "Public announcement system" were identified. Moreover, datasets of 16 classes using ESC50's urban sound category audio were used to distinguish the inter-floor noise heard indoors from the external noise. Although DenseNet, ResNet, Inception, and EfficientNet are models that use images as their domains, they showed an accuracy of 91.43-95.27% when classifying the inter-floor noise dataset. Among the reviewed models, ResNet showed an accuracy of 95.27±2.30% as well as a highest performance level in the F1 score, precision, and recall metrics. Additionally, ResNet showed the shortest inference time. This paper concludes by suggesting that the present findings can be extended in future research for monitoring acoustic elements of indoor soundscape.https://doi.org/10.1371/journal.pone.0243758 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Hye-Kyung Shin Sang Hee Park Kyoung-Woo Kim |
spellingShingle |
Hye-Kyung Shin Sang Hee Park Kyoung-Woo Kim Inter-floor noise classification using convolutional neural network. PLoS ONE |
author_facet |
Hye-Kyung Shin Sang Hee Park Kyoung-Woo Kim |
author_sort |
Hye-Kyung Shin |
title |
Inter-floor noise classification using convolutional neural network. |
title_short |
Inter-floor noise classification using convolutional neural network. |
title_full |
Inter-floor noise classification using convolutional neural network. |
title_fullStr |
Inter-floor noise classification using convolutional neural network. |
title_full_unstemmed |
Inter-floor noise classification using convolutional neural network. |
title_sort |
inter-floor noise classification using convolutional neural network. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS ONE |
issn |
1932-6203 |
publishDate |
2020-01-01 |
description |
In apartment houses, noise between floors can disturb pleasant living environments and cause disputes between neighbors. As a means of resolving disputes caused by inter-floor noise, noises are recorded for 24 hours in a household to verify whether the inter-floor noise exceeded the legal standards. If the noise exceeds the legal standards, the recorded sound is listened to, and it is checked whether the noise comes from neighboring households. When done manually, this process requires time and is costly, and there is a problem of whether the listener's judgments of the sound source are consistent. This study aims to classify inter-floor noise according to noise sources by using a convolutional neural network model. A total of 1,515 sound sources of data recorded for 24 h from three households were annotated, and 40 4s audio clips of six noise sources, including "Footsteps," "Dragging furniture," "Hammering," "Instant impact (dropping a heavy item)," "Vacuum cleaner," and "Public announcement system" were identified. Moreover, datasets of 16 classes using ESC50's urban sound category audio were used to distinguish the inter-floor noise heard indoors from the external noise. Although DenseNet, ResNet, Inception, and EfficientNet are models that use images as their domains, they showed an accuracy of 91.43-95.27% when classifying the inter-floor noise dataset. Among the reviewed models, ResNet showed an accuracy of 95.27±2.30% as well as a highest performance level in the F1 score, precision, and recall metrics. Additionally, ResNet showed the shortest inference time. This paper concludes by suggesting that the present findings can be extended in future research for monitoring acoustic elements of indoor soundscape. |
url |
https://doi.org/10.1371/journal.pone.0243758 |
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