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Detection of Acoustic Events in Interactive Seminar Datawith Temporal Overlaps

机译：检测交互式研讨会数据中的声学事件时间重叠

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In Acoustic Event Detection (AED), both the identity ofsounds and their position in time have to be obtained. In thispaper, we first present our SVM-based system for AED inreal-time conditions, along with the databases and metricsdeveloped for the international evaluation campaign CLEAR2007. In that evaluation, which was carried out with a realenvironment database that consists of interactive seminarrecordings, the biggest encountered problem for AED was thepresence of temporal overlaps, since they account for morethan 70% of errors. In this paper we also report an initialattempt to deal with the overlap problem at the level ofmodels. A two-step approach is proposed and it is testedfirstly with artificially — overlapped acoustic data, and thenwith the above-mentioned seminar data.
机译：在声学事件检测（AED）中，必须获得频繁的标识及其及时的位置。在此纸纸中，我们首先提供基于SVM的制度，以获得AED的内部时间条件，以及国际评估活动CLEAR2007的数据库和METRICSDEVELINED。在该评估中，这是与由互动性SemInArtecordings组成的天性环境数据库进行的，对于AED的最大遇到的问题是时间重叠的问题，因为它们占Morethan 70％的错误。在本文中，我们还报告了一个初始标签来处理墨西哥级别的重叠问题。提出了一种两步的方法，并使用人工 - 重叠的声学数据进行测试，然后是上述研讨会数据。

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