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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

Annotating time boundaries of sound events is labor-intensive, limiting the scalability of strongly supervised learning in audio detection. To reduce annotation costs, weakly-supervised learning with only clip-level labels has been widely…

Sound · Computer Science 2025-10-30 Keisuke Imoto

Contextual memory integration remains a high challenge in the development of language models, particularly in tasks that require maintaining coherence over extended sequences. Traditional approaches, such as self-attention mechanisms and…

Computation and Language · Computer Science 2025-08-11 George Applegarth , Christian Weatherstone , Maximilian Hollingsworth , Henry Middlebrook , Marcus Irvin

Speech Emotion Recognition (SER) has been traditionally formulated as a classification task. However, emotions are generally a spectrum whose distribution varies from situation to situation leading to poor Out-of-Domain (OOD) performance.…

Sound · Computer Science 2024-07-23 Hazim Bukhari , Soham Deshmukh , Hira Dhamyal , Bhiksha Raj , Rita Singh

Environmental sound classification (ESC) is a challenging problem due to the complexity of sounds. The classification performance is heavily dependent on the effectiveness of representative features extracted from the environmental sounds.…

Sound · Computer Science 2020-07-15 Zhichao Zhang , Shugong Xu , Shunqing Zhang , Tianhao Qiao , Shan Cao

Sound Event Detection (SED) plays a vital role in audio understanding, with applications in surveillance, smart cities, healthcare, and multimedia indexing. However, conventional SED systems operate under a closed-world assumption, limiting…

Sound · Computer Science 2026-05-22 P. H. Hai , L. T. Minh , L. H. Son

Spatial audio understanding is essential for accurately perceiving and interpreting acoustic environments. However, existing audio-language models exhibit limitations in processing spatial audio and perceiving spatial acoustic scenes. To…

Sound · Computer Science 2025-09-19 Jinbo Hu , Yin Cao , Ming Wu , Zhenbo Luo , Jun Yang

Meta-learning has been extensively applied in the domains of few-shot learning and fast adaptation, achieving remarkable performance. While Meta-learning methods like Model-Agnostic Meta-Learning (MAML) and its variants provide a good set…

Machine Learning · Computer Science 2024-08-09 Runxi Cheng , Yongxian Wei , Xianglong He , Wanyun Zhu , Songsong Huang , Fei Richard Yu , Fei Ma , Chun Yuan

Safe exploration is critical for using reinforcement learning (RL) in risk-sensitive environments. Recent work learns risk measures which measure the probability of violating constraints, which can then be used to enable safety. However,…

Machine Learning · Computer Science 2021-12-08 Michael Luo , Ashwin Balakrishna , Brijen Thananjeyan , Suraj Nair , Julian Ibarz , Jie Tan , Chelsea Finn , Ion Stoica , Ken Goldberg

Self-attention is of vital importance in semantic segmentation as it enables modeling of long-range context, which translates into improved performance. We argue that it is equally important to model short-range context, especially to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Hasib Zunair , A. Ben Hamza

Meta-Reinforcement Learning (Meta-RL) aims to acquire meta-knowledge for quick adaptation to diverse tasks. However, applying these policies in real-world environments presents a significant challenge in balancing rapid adaptability with…

Machine Learning · Computer Science 2024-06-21 Karam Daaboul , Florian Kuhm , Tim Joseph , J. Marius Zoellner

Polyphonic sound event detection and localization (SELD) task is challenging because it is difficult to jointly optimize sound event detection (SED) and direction-of-arrival (DOA) estimation in the same network. We propose a general network…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-17 Thi Ngoc Tho Nguyen , Ngoc Khanh Nguyen , Huy Phan , Lam Pham , Kenneth Ooi , Douglas L. Jones , Woon-Seng Gan

Cross-modal retrieval (CMR) has been extensively applied in various domains, such as multimedia search engines and recommendation systems. Most existing CMR methods focus on image-to-text retrieval, whereas audio-to-text retrieval, a less…

Sound · Computer Science 2023-09-19 Kaiyi Luo , Xulong Zhang , Jianzong Wang , Huaxiong Li , Ning Cheng , Jing Xiao

Many learning tasks involve multi-modal data streams, where continuous data from different modes convey a comprehensive description about objects. A major challenge in this context is how to efficiently interpret multi-modal information in…

Machine Learning · Computer Science 2020-07-24 Amila Silva , Shanika Karunasekera , Christopher Leckie , Ling Luo

Human listeners exhibit the remarkable ability to segregate a desired sound from complex acoustic scenes through selective auditory attention, motivating the study of Targeted Sound Detection (TSD). The task requires detecting and…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-19 Shubham Gupta , Adarsh Arigala , B. R. Dilleswari , Sri Rama Murty Kodukula

Sound event detection (SED) is an interesting but challenging task due to the scarcity of data and diverse sound events in real life. This paper presents a multi-grained based attention network (MGA-Net) for semi-supervised sound event…

Sound · Computer Science 2022-11-01 Ying Hu , Xiujuan Zhu , Yunlong Li , Hao Huang , Liang He

We study a novel problem that tackles learning based sensor scanning in 3D and uncertain environments with heterogeneous multi-robot systems. Our motivation is two-fold: first, 3D environments are complex, the use of heterogeneous…

Robotics · Computer Science 2021-09-29 Junfeng Chen , Yuan Gao , Junjie Hu , Fuqin Deng , Tin Lun Lam

In this paper we investigate the importance of the extent of memory in sequential self attention for sound recognition. We propose to use a memory controlled sequential self attention mechanism on top of a convolutional recurrent neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-07 Arjun Pankajakshan , Helen L. Bear , Vinod Subramanian , Emmanouil Benetos

Event cameras asynchronously capture brightness changes with low latency, high temporal resolution, and high dynamic range. However, annotation of event data is a costly and laborious process, which limits the use of deep learning methods…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Simon Klenk , David Bonello , Lukas Koestler , Nikita Araslanov , Daniel Cremers

Deriving multimodal representations of audio and lexical inputs is a central problem in Natural Language Understanding (NLU). In this paper, we present Contrastive Aligned Audio-Language Multirate and Multimodal Representations (CALM), an…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-09 Vin Sachidananda , Shao-Yen Tseng , Erik Marchi , Sachin Kajarekar , Panayiotis Georgiou