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This technical report describes the systems submitted to the DCASE2022 challenge task 3: sound event localization and detection (SELD). The task aims to detect occurrences of sound events and specify their class, furthermore estimate their…

Sound · Computer Science 2025-12-30 Jin Sob Kim , Hyun Joon Park , Wooseok Shin , Sung Won Han

Sound Event Detection (SED) detects regions of sound events, while Speaker Diarization (SD) segments speech conversations attributed to individual speakers. In SED, all speaker segments are classified as a single speech event, while in SD,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-16 Yidi Jiang , Ruijie Tao , Wen Huang , Qian Chen , Wen Wang

Neuromorphic cameras, also known as event-based cameras, can detect changes in the environmental brightness asynchronously and independently for each pixel. They output the brightness changes, i.e., events, as 3-D (2-D pixel coordinates +…

Image and Video Processing · Electrical Eng. & Systems 2026-05-21 Shimpei Harada , Junya Hara , Hiroshi Higashi , Yuichi Tanaka

In this technique report, we present a bunch of methods for the task 4 of Detection and Classification of Acoustic Scenes and Events 2017 (DCASE2017) challenge. This task evaluates systems for the large-scale detection of sound events using…

Sound · Computer Science 2017-11-28 Yong Xu , Qiuqiang Kong , Wenwu Wang , Mark D. Plumbley

Due to the growing demand for improving surveillance capabilities in smart cities, systems need to be developed to provide better monitoring capabilities to competent authorities, agencies responsible for strategic resource management, and…

Sound · Computer Science 2020-02-04 Tito Spadini , Dimitri Leandro de Oliveira Silva , Ricardo Suyama

In traditional sound event localization and detection (SELD) tasks, the focus is typically on sound event detection (SED) and direction-of-arrival (DOA) estimation, but they fall short of providing full spatial information about the sound…

Sound · Computer Science 2025-01-22 Yuxuan Dong , Qing Wang , Hengyi Hong , Ya Jiang , Shi Cheng

Sound Event Detection and Localization (SELD) is a combined task of identifying sound events and their corresponding direction-of-arrival (DOA). While this task has numerous applications and has been extensively researched in recent years,…

Sound · Computer Science 2024-06-13 Daniel Aleksander Krause , Archontis Politis , Annamaria Mesaros

Sound event localization and detection is a novel area of research that emerged from the combined interest of analyzing the acoustic scene in terms of the spatial and temporal activity of sounds of interest. This paper presents an overview…

Audio and Speech Processing · Electrical Eng. & Systems 2021-01-12 Archontis Politis , Annamaria Mesaros , Sharath Adavanne , Toni Heittola , Tuomas Virtanen

Unsupervised anomalous sound detection aims to detect unknown abnormal sounds of machines from normal sounds. However, the state-of-the-art approaches are not always stable and perform dramatically differently even for machines of the same…

Sound · Computer Science 2022-05-02 Youde Liu , Jian Guan , Qiaoxi Zhu , Wenwu Wang

Sound event detection (SED) methods typically rely on either strongly labelled data or weakly labelled data. As an alternative, sequentially labelled data (SLD) was proposed. In SLD, the events and the order of events in audio clips are…

Sound · Computer Science 2019-04-30 Yuanbo Hou , Qiuqiang Kong , Shengchen Li , Mark D. Plumbley

Convolutional recurrent neural networks (CRNNs) have achieved state-of-the-art performance for sound event detection (SED). In this paper, we propose to use a dilated CRNN, namely a CRNN with a dilated convolutional kernel, as the…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-21 Yanxiong Li , Mingle Liu , Konstantinos Drossos , Tuomas Virtanen

This paper proposes a novel framework for lung sound event detection, segmenting continuous lung sound recordings into discrete events and performing recognition on each event. Exploiting the lightweight nature of Temporal Convolution…

Graph topology inference, i.e., learning graphs from a given set of nodal observations, is a significant task in many application domains. Existing approaches are mostly limited to learning a single graph assuming that the observed data is…

Signal Processing · Electrical Eng. & Systems 2024-01-26 Abdullah Karaaslanli , Selin Aviyente

Sound event localization frameworks based on deep neural networks have shown increased robustness with respect to reverberation and noise in comparison to classical parametric approaches. In particular, recurrent architectures that…

Environmental sound scene and sound event recognition is important for the recognition of suspicious events in indoor and outdoor environments (such as nurseries, smart homes, nursing homes, etc.) and is a fundamental task involved in many…

Sound · Computer Science 2023-08-31 Nan Che , Chenrui Liu , Fei Yu

Sound event detection (SED) and localization refer to recognizing sound events and estimating their spatial and temporal locations. Using neural networks has become the prevailing method for SED. In the area of sound localization, which is…

Sound · Computer Science 2019-11-06 Yin Cao , Qiuqiang Kong , Turab Iqbal , Fengyan An , Wenwu Wang , Mark D. Plumbley

Acoustic event detection is essential for content analysis and description of multimedia recordings. The majority of current literature on the topic learns the detectors through fully-supervised techniques employing strongly labeled data.…

Sound · Computer Science 2016-07-07 Anurag Kumar , Bhiksha Raj

Sound Event Localization and Detection (SELD) combines the Sound Event Detection (SED) with the corresponding Direction Of Arrival (DOA). Recently, adopted event oriented multi-track methods affect the generality in polyphonic environments…

Sound · Computer Science 2026-02-02 Xueping Zhang , Yaxiong Chen , Ruilin Yao , Yunfei Zi , Shengwu Xiong

This work defines a new framework for performance evaluation of polyphonic sound event detection (SED) systems, which overcomes the limitations of the conventional collar-based event decisions, event F-scores and event error rates. The…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-17 Cagdas Bilen , Giacomo Ferroni , Francesco Tuveri , Juan Azcarreta , Sacha Krstulovic

This paper proposes sound event localization and detection methods from multichannel recording. The proposed system is based on two Convolutional Recurrent Neural Networks (CRNNs) to perform sound event detection (SED) and time difference…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-23 Francois Grondin , James Glass , Iwona Sobieraj , Mark D. Plumbley