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The S{\o}rensen--Dice Coefficient has recently seen rising popularity as a loss function (also known as Dice loss) due to its robustness in tasks where the number of negative samples significantly exceeds that of positive samples, such as…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-05 Karn N. Watcharasupat , Thi Ngoc Tho Nguyen , Ngoc Khanh Nguyen , Zhen Jian Lee , Douglas L. Jones , Woon Seng Gan

The Detection and Classification of Acoustic Scenes and Events (DCASE) consists of five audio classification and sound event detection tasks: 1) Acoustic scene classification, 2) General-purpose audio tagging of Freesound, 3) Bird audio…

Sound · Computer Science 2019-12-10 Qiuqiang Kong , Turab Iqbal , Yong Xu , Wenwu Wang , Mark D. Plumbley

In this paper we present our system for the detection and classification of acoustic scenes and events (DCASE) 2020 Challenge Task 4: Sound event detection and separation in domestic environments. We introduce two new models: the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-12 Janek Ebbers , Reinhold Haeb-Umbach

In recent years, exploring effective sound separation (SSep) techniques to improve overlapping sound event detection (SED) attracts more and more attention. Creating accurate separation signals to avoid the catastrophic error accumulation…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-07 Yunhao Liang , Yanhua Long , Yijie Li , Jiaen Liang

Many methods of sound event detection (SED) based on machine learning regard a segmented time frame as one data sample to model training. However, the sound durations of sound events vary greatly depending on the sound event class, e.g.,…

Audio tagging aims to perform multi-label classification on audio chunks and it is a newly proposed task in the Detection and Classification of Acoustic Scenes and Events 2016 (DCASE 2016) challenge. This task encourages research efforts to…

Sound · Computer Science 2017-03-20 Yong Xu , Qiuqiang Kong , Qiang Huang , Wenwu Wang , Mark D. Plumbley

We present the task description of the Detection and Classification of Acoustic Scenes and Events (DCASE) 2023 Challenge Task 2: ``First-shot unsupervised anomalous sound detection (ASD) for machine condition monitoring''. The main goal is…

This paper presents DCASE 2018 task 4. The task evaluates systems for the large-scale detection of sound events using weakly labeled data (without time boundaries). The target of the systems is to provide not only the event class but also…

Sound · Computer Science 2018-07-30 Romain Serizel , Nicolas Turpault , Hamid Eghbal-Zadeh , Ankit Parag Shah

Spatial semantic segmentation of sound scenes (S5) involves the accurate identification of active sound classes and the precise separation of their sources from complex acoustic mixtures. Conventional systems rely on a two-stage pipeline -…

Sound · Computer Science 2025-07-24 Tobias Morocutti , Jonathan Greif , Paul Primus , Florian Schmid , Gerhard Widmer

We propose to use neural networks for simultaneous detection and localization of multiple sound sources in human-robot interaction. In contrast to conventional signal processing techniques, neural network-based sound source localization…

Sound · Computer Science 2018-09-18 Weipeng He , Petr Motlicek , Jean-Marc Odobez

Background: Electroencephalography (EEG) monitors brain activity during sleep and is used to identify sleep disorders. In sleep medicine, clinicians interpret raw EEG signals in so-called sleep stages, which are assigned by experts to every…

Signal Processing · Electrical Eng. & Systems 2018-12-12 Stanislas Chambon , Valentin Thorey , Pierrick J. Arnal , Emmanuel Mignot , Alexandre Gramfort

Sound event localization and detection (SELD) aims to determine the appearance of sound classes, together with their Direction of Arrival (DOA). However, current SELD systems can only predict the activities of specific classes, for example,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-25 Jinzheng Zhao , Xinyuan Qian , Yong Xu , Haohe Liu , Yin Cao , Davide Berghi , Wenwu Wang

We present the task description and discussion on the results of the DCASE 2021 Challenge Task 2. In 2020, we organized an unsupervised anomalous sound detection (ASD) task, identifying whether a given sound was normal or anomalous without…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-28 Yohei Kawaguchi , Keisuke Imoto , Yuma Koizumi , Noboru Harada , Daisuke Niizumi , Kota Dohi , Ryo Tanabe , Harsh Purohit , Takashi Endo

Sound event detection (SED) is one of tasks to automate function by human auditory system which listens and understands auditory scenes. Therefore, we were inspired to make SED recognize sound events in the way human auditory system does.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-21 Deokki Min , Hyeonuk Nam , Yong-Hwa Park

Sound event detection (SED) is the task of tagging the absence or presence of audio events and their corresponding interval within a given audio clip. While SED can be done using supervised machine learning, where training data is fully…

Sound · Computer Science 2021-02-08 Heinrich Dinkel , Mengyue Wu , Kai Yu

While many deep learning methods on other domains have been applied to sound event detection (SED), differences between original domains of the methods and SED have not been appropriately considered so far. As SED uses audio data with two…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-24 Hyeonuk Nam , Seong-Hu Kim , Deokki Min , Byeong-Yun Ko , Seung-Deok Choi , Yong-Hwa Park

The goal of automatic sound event detection (SED) methods is to recognize what is happening in an audio signal and when it is happening. In practice, the goal is to recognize at what temporal instances different sounds are active within an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-13 Annamaria Mesaros , Toni Heittola , Tuomas Virtanen , Mark D. Plumbley

Weakly Labelled learning has garnered lot of attention in recent years due to its potential to scale Sound Event Detection (SED) and is formulated as Multiple Instance Learning (MIL) problem. This paper proposes a Multi-Task Learning (MTL)…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-02 Soham Deshmukh , Bhiksha Raj , Rita Singh

In this study, we address the multimodal task of stereo sound event localization and detection with source distance estimation (3D SELD) in regular video content. 3D SELD is a complex task that combines temporal event classification with…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-09 Davide Berghi , Philip J. B. Jackson

The aim of the Detection and Classification of Acoustic Scenes and Events Challenge Task 4 is to evaluate systems for the detection of sound events in domestic environments using an heterogeneous dataset. The systems need to be able to…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-02 Francesca Ronchini , Samuele Cornell , Romain Serizel , Nicolas Turpault , Eduardo Fonseca , Daniel P. W. Ellis