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Sound Event Localization and Detection refers to the problem of identifying the presence of independent or temporally-overlapped sound sources, correctly identifying to which sound class it belongs, estimating their spatial directions while…

Audio and Speech Processing · Electrical Eng. & Systems 2024-01-02 Francesca Ronchini , Daniel Arteaga , Andrés Pérez-López

This report presents our audio event detection system submitted for Task 2, "Detection of rare sound events", of DCASE 2017 challenge. The proposed system is based on convolutional neural networks (CNNs) and deep neural networks (DNNs)…

Sound · Computer Science 2017-10-19 Huy Phan , Martin Krawczyk-Becker , Timo Gerkmann , Alfred Mertins

This paper presents a new learning strategy for the Sound Event Detection (SED) system to tackle the issues of i) knowledge migration from a pre-trained model to a new target model and ii) learning new sound events without forgetting the…

Machine Learning · Computer Science 2020-03-30 Eunjeong Koh , Fatemeh Saki , Yinyi Guo , Cheng-Yu Hung , Erik Visser

In this paper we present our work on Task 1 Acoustic Scene Classi- fication and Task 3 Sound Event Detection in Real Life Recordings. Among our experiments we have low-level and high-level features, classifier optimization and other…

The absence of large labeled datasets remains a significant challenge in many application areas of deep learning. Researchers and practitioners typically resort to transfer learning and data augmentation to alleviate this issue. We study…

Sound · Computer Science 2022-11-01 Paul Primus , Gerhard Widmer

Sound event detection and sound event localization requires different features from audio input signals. While sound event detection mainly relies on time-frequency patterns to distinguish different event classes, sound event localization…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-27 T. N. T. Nguyen , D. L. Jones , R. Ranjan , S. Jayabalan , W. S. Gan

Speech enhancement in hearing aids remains a difficult task in nonstationary acoustic environments, mainly because current signal processing algorithms rely on fixed, manually tuned parameters that cannot adapt in situ to different users or…

Continuously learning new classes without catastrophic forgetting is a challenging problem for on-device acoustic event classification given the restrictions on computation resources (e.g., model size, running memory). To alleviate such an…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-23 Yang Xiao

Reinforcement learning is used to align language models with human preference signals after first pre-training the model to predict the next token of text within a large corpus using likelihood maximization. Before being deployed in a…

Computation and Language · Computer Science 2024-08-30 Alec Solway

Wireless distributed systems as used in sensor networks, Internet-of-Things and cyber-physical systems, impose high requirements on resource efficiency. Advanced preprocessing and classification of data at the network edge can help to…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Matthias Meyer , Lukas Cavigelli , Lothar Thiele

This report describes our systems submitted for the DCASE2024 Task 3 challenge: Audio and Audiovisual Sound Event Localization and Detection with Source Distance Estimation (Track B). Our main model is based on the audio-visual (AV)…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-30 Davide Berghi , Philip J. B. Jackson

Sound event detection (SED) is a task to detect sound events in an audio recording. One challenge of the SED task is that many datasets such as the Detection and Classification of Acoustic Scenes and Events (DCASE) datasets are weakly…

Sound · Computer Science 2020-08-25 Qiuqiang Kong , Yong Xu , Wenwu Wang , Mark D. Plumbley

We introduce a new learned descriptor for audio signals which is efficient for event representation. The entries of the descriptor are produced by evaluating a set of regressors on the input signal. The regressors are class-specific and…

Sound · Computer Science 2016-11-15 Huy Phan , Marco Maass , Lars Hertel , Radoslaw Mazur , Ian McLoughlin , Alfred Mertins

This report describes our submissions to Task2 and Task3 of the DCASE 2016 challenge. The systems aim at dealing with the detection of overlapping audio events in continuous streams, where the detectors are based on random decision forests.…

Sound · Computer Science 2016-08-16 Huy Phan , Lars Hertel , Marco Maass , Philipp Koch , Alfred Mertins

Due to the high variation in the application requirements of sound event detection (SED) systems, it is not sufficient to evaluate systems only in a single operating mode. Therefore, the community recently adopted the polyphonic sound…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-28 Janek Ebbers , Reinhold Haeb-Umbach , Romain Serizel

Access to large corpora with strongly labelled sound events is expensive and difficult in engineering applications. Much research turns to address the problem of how to detect both the types and the timestamps of sound events with weak…

Sound · Computer Science 2021-01-21 Yuzhuo Liu , Hangting Chen , YunWang , Pengyuan Zhang

We target the problem of developing new low-complexity networks for the sound event detection task. Our goal is to meticulously analyze the performance-complexity trade-off, aiming to be competitive with the large state-of-the-art models,…

Sound · Computer Science 2025-06-13 Tobias Morocutti , Florian Schmid , Jonathan Greif , Francesco Foscarin , Gerhard Widmer

Performing sound event detection on real-world recordings often implies dealing with overlapping target sound events and non-target sounds, also referred to as interference or noise. Until now these problems were mainly tackled at the…

Mathematical reasoning is a key benchmark for large language models. Reinforcement learning is a standard post-training mechanism for improving the reasoning capabilities of large language models, yet performance remains sensitive to the…

Computation and Language · Computer Science 2026-05-11 Arash Ahmadi , Sarah Sharif , Yaser , Banad

In this paper, a combinative approach using Nonnegative Matrix Factorization (NMF) and Convolutional Neural Network (CNN) is proposed for audio clip Sound Event Detection (SED). The main idea begins with the use of NMF to approximate strong…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-22 Chan Teck Kai , Chin Cheng Siong , Li Ye