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We propose a meta-learning method for semi-supervised learning that learns from multiple tasks with heterogeneous attribute spaces. The existing semi-supervised meta-learning methods assume that all tasks share the same attribute space,…

Machine Learning · Computer Science 2023-11-10 Tomoharu Iwata , Atsutoshi Kumagai

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…

State-of-the-art sound event detection (SED) methods usually employ a series of convolutional neural networks (CNNs) to extract useful features from the input audio signal, and then recurrent neural networks (RNNs) to model longer temporal…

Wearable audio devices with active noise control (ANC) enhance listening comfort but often at the expense of situational awareness. However, this auditory isolation may mask crucial environmental cues, posing significant safety risks. To…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-09 Jun-Wei Yeow , Ee-Leng Tan , Santi Peksi , Zhen-Ting Ong , Woon-Seng Gan

Most existing sound event detection~(SED) algorithms operate under a closed-set assumption, restricting their detection capabilities to predefined classes. While recent efforts have explored language-driven zero-shot SED by exploiting…

Sound · Computer Science 2025-10-28 Pengfei Cai , Yan Song , Qing Gu , Nan Jiang , Haoyu Song , Ian McLoughlin

In this paper, a special decision surface for the weakly-supervised sound event detection (SED) and a disentangled feature (DF) for the multi-label problem in polyphonic SED are proposed. We approach SED as a multiple instance learning…

Sound · Computer Science 2020-04-13 Liwei Lin , Xiangdong Wang , Hong Liu , Yueliang Qian

Speech emotion recognition (SER) systems find applications in various fields such as healthcare, education, and security and defense. A major drawback of these systems is their lack of generalization across different conditions. This…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-15 Srinivas Parthasarathy , Carlos Busso

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

Anomalous Sound Detection (ASD) is often formulated as a machine attribute classification task, a strategy necessitated by the common scenario where only normal data is available for training. However, the exhaustive collection of machine…

Sound · Computer Science 2025-09-22 Xin Fang , Guirui Zhong , Qing Wang , Fan Chu , Lei Wang , Mengui Qian , Mingqi Cai , Jiangzhao Wu , Jianqing Gao , Jun Du

Recently, hybrid systems of clustering and neural diarization models have been successfully applied in multi-party meeting analysis. However, current models always treat overlapped speaker diarization as a multi-label classification…

Sound · Computer Science 2022-11-21 Zhihao Du , Shiliang Zhang , Siqi Zheng , Zhijie Yan

Different self-supervised tasks (SSL) reveal different features from the data. The learned feature representations can exhibit different performance for each downstream task. In this light, this work aims to combine Multiple SSL tasks…

Computer Vision and Pattern Recognition · Computer Science 2022-01-05 Arun Balajee Vasudevan , Dengxin Dai , Luc Van Gool

In this paper, we study the use of soft labels to train a system for sound event detection (SED). Soft labels can result from annotations which account for human uncertainty about categories, or emerge as a natural representation of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-01 Irene Martín-Morató , Manu Harju , Paul Ahokas , Annamaria Mesaros

State-of-the-art anomalous sound detection (ASD) systems are often trained by using an auxiliary classification task to learn an embedding space. Doing so enables the system to learn embeddings that are robust to noise and are ignoring…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-18 Kevin Wilkinghoff

In industry, machine anomalous sound detection (ASD) is in great demand. However, collecting enough abnormal samples is difficult due to the high cost, which boosts the rapid development of unsupervised ASD algorithms. Autoencoder (AE)…

Sound · Computer Science 2023-11-16 Yifan Zhou , Dongxing Xu , Haoran Wei , Yanhua Long

This paper aims to establish a new optimization paradigm for implementing realistic distributed learning algorithms, with performance guarantees, on wireless edge nodes with heterogeneous computing and communication capacities. We will…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-01 Umair Mohammad , Sameh Sorour

A main challenge in applying deep learning to music processing is the availability of training data. One potential solution is Multi-task Learning, in which the model also learns to solve related auxiliary tasks on additional datasets to…

Sound · Computer Science 2018-04-06 Daniel Stoller , Sebastian Ewert , Simon Dixon

Bioacoustic sensors, sometimes known as autonomous recording units (ARUs), can record sounds of wildlife over long periods of time in scalable and minimally invasive ways. Deriving per-species abundance estimates from these sensors requires…

Learning-based solutions for vision tasks require a large amount of labeled training data to ensure their performance and reliability. In single-task vision-based settings, inconsistency-based active learning has proven to be effective in…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Aral Hekimoglu , Philipp Friedrich , Walter Zimmer , Michael Schmidt , Alvaro Marcos-Ramiro , Alois C. Knoll

This paper considers a semi-supervised learning framework for weakly labeled polyphonic sound event detection problems for the DCASE 2019 challenge's task4 by combining both the tri-training and adversarial learning. The goal of the task4…

Sound · Computer Science 2019-10-16 Hyoungwoo Park , Sungrack Yun , Jungyun Eum , Janghoon Cho , Kyuwoong Hwang

A multi-task learning framework is proposed for optimizing a single deep neural network (DNN) for joint noise reduction (NR) and hearing loss compensation (HLC). A distinct training objective is defined for each task, and the DNN predicts…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-24 Philippe Gonzalez , Vera Margrethe Frederiksen , Torsten Dau , Tobias May
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