2009
DOI: 10.1016/j.patrec.2009.06.009
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Acoustic event detection in meeting-room environments

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Cited by 78 publications
(89 citation statements)
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“…The purpose of detection is to discern between the foreground events and the acoustic background, without determining whether an event is threatening or not. Some researchers use foreground/background or silence/non-silence classifiers to achieve this task [40,42]. We employ dedicated detection algorithms which do not require training and are adaptive to changing conditions.…”
Section: Methodsmentioning
confidence: 99%
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“…The purpose of detection is to discern between the foreground events and the acoustic background, without determining whether an event is threatening or not. Some researchers use foreground/background or silence/non-silence classifiers to achieve this task [40,42]. We employ dedicated detection algorithms which do not require training and are adaptive to changing conditions.…”
Section: Methodsmentioning
confidence: 99%
“…The classification algorithm is based on the Support Vector Machine (SVM) classifier. The principles of SVM and its application to numerous fields have been studied in the literature, namely to text classification [11], face detection or acoustic event detection [35,40]. It was proven in previous work that the Support Vector Machine can be an efficient tool for the classification of signals in an audio-based surveillance system, as it robustly discerns threatening from non-threatening events [25].…”
Section: Classificationmentioning
confidence: 99%
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“…Acoustic event detection has been widely applied in many real world applications, such as in surveillance systems [1], siren detection systems [2], chew event detection systems [3] and human-computer interaction [4][5] [6]. Intraclass variations and the spectral-temporal properties across classes pose great challenges to acoustic event detection.…”
Section: Introductionmentioning
confidence: 99%
“…Both tasks become much more challenging when there exists sound simultaneity, i.e., several sounds overlapping in time and in a given room. For example, after the CLEAR'07 international evaluations [12], where AED was carried out with meeting room seminars, it became clear that time overlapping of acoustic events (AEs) was a major source of detection errors [13].…”
Section: Introductionmentioning
confidence: 99%