2022
DOI: 10.3390/s22228608
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Sound Classification and Processing of Urban Environments: A Systematic Literature Review

Abstract: Audio recognition can be used in smart cities for security, surveillance, manufacturing, autonomous vehicles, and noise mitigation, just to name a few. However, urban sounds are everyday audio events that occur daily, presenting unstructured characteristics containing different genres of noise and sounds unrelated to the sound event under study, making it a challenging problem. Therefore, the main objective of this literature review is to summarize the most recent works on this subject to understand the curren… Show more

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Cited by 19 publications
(6 citation statements)
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“…Another key application of ESC is urban sound classification, which delves into the acoustic ecology within urban landscapes, notably cities. With advanced approaches such as DL-based audio classifiers on edge devices, urban sound classification holds immense potential for designing, managing, and monitoring sustainable urban environments that promote human well-being, and security, and can minimize noise pollution alongside ecological diversity [ 16 , 26 , 27 ].…”
Section: Introductionmentioning
confidence: 99%
“…Another key application of ESC is urban sound classification, which delves into the acoustic ecology within urban landscapes, notably cities. With advanced approaches such as DL-based audio classifiers on edge devices, urban sound classification holds immense potential for designing, managing, and monitoring sustainable urban environments that promote human well-being, and security, and can minimize noise pollution alongside ecological diversity [ 16 , 26 , 27 ].…”
Section: Introductionmentioning
confidence: 99%
“…Sound is a complex, feature-rich signal, and sound classification is receiving strong interest in a growing number of application areas, from speech recognition [ 1 , 2 ], music analysis and recommendation [ 3 , 4 ], environmental sound monitoring [ 5 , 6 ], and anomaly detection and security [ 7 , 8 ].…”
Section: Introductionmentioning
confidence: 99%
“…Environmental sound monitoring [ 5 , 6 ]: Sound classification can be used to monitor and classify environmental sounds. This is useful in applications such as wildlife monitoring, noise pollution assessment, acoustic event detection, and surveillance systems.…”
Section: Introductionmentioning
confidence: 99%
“…Because of this, the classification of sounds has become a very popular topic. Fields of application include, for example: multimedia retrieval [1,2], technology medical problems s [3,4], speech recognition [5], speaker recognition [6,7], urban sound classification [8,9], environmental sound classification [10,11], speech emotion recognition [12], animal sound classification [13,14], detection of mechanical failure [15], and many others. In recognition tasks, the basic issue is what to recognize, in other words, what the inputs of the system are.…”
Section: Introductionmentioning
confidence: 99%