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Related papers: ToyADMOS: A Dataset of Miniature-Machine Operating…

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This paper proposes a new large-scale dataset called "ToyADMOS2" for anomaly detection in machine operating sounds (ADMOS). As did for our previous ToyADMOS dataset, we collected a large number of operating sounds of miniature machines…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-07 Noboru Harada , Daisuke Niizumi , Daiki Takeuchi , Yasunori Ohishi , Masahiro Yasuda , Shoichiro Saito

Anomalous sound detection (ASD) is the task of identifying whether the sound emitted from an object is normal or anomalous. In some cases, early detection of this anomaly can prevent several problems. This article presents a Systematic…

Sound · Computer Science 2021-02-17 Eduardo C. Nunes

Factory machinery is prone to failure or breakdown, resulting in significant expenses for companies. Hence, there is a rising interest in machine monitoring using different sensors including microphones. In the scientific community, the…

In this paper, we present the task description and discuss the results of the DCASE 2020 Challenge Task 2: Unsupervised Detection of Anomalous Sounds for Machine Condition Monitoring. The goal of anomalous sound detection (ASD) is to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Yuma Koizumi , Yohei Kawaguchi , Keisuke Imoto , Toshiki Nakamura , Yuki Nikaido , Ryo Tanabe , Harsh Purohit , Kaori Suefusa , Takashi Endo , Masahiro Yasuda , Noboru Harada

This paper proposes a framework of explaining anomalous machine sounds in the context of anomalous sound detection~(ASD). While ASD has been extensively explored, identifying how anomalous sounds differ from normal sounds is also beneficial…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-30 Tomoya Nishida , Harsh Purohit , Kota Dohi , Takashi Endo , Yohei Kawaguchi

In this paper, we introduce ASDKit, a toolkit for anomalous sound detection (ASD) task. Our aim is to facilitate ASD research by providing an open-source framework that collects and carefully evaluates various ASD methods. First, ASDKit…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-15 Takuya Fujimura , Kevin Wilkinghoff , Keisuke Imoto , Tomoki Toda

Anomalous Sound Detection (ASD) aims at identifying anomalous sounds from machines and has gained extensive research interests from both academia and industry. However, the uncertainty of anomaly location and much redundant information such…

Sound · Computer Science 2025-08-22 Guirui Zhong , Qing Wang , Jun Du , Lei Wang , Mingqi Cai , Xin Fang

We have developed an unsupervised anomalous sound detection method for machine condition monitoring that utilizes an auxiliary task -- detecting when the target machine is active. First, we train a model that detects machine activity by…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-18 Tomoya Nishida , Kota Dohi , Takashi Endo , Masaaki Yamamoto , Yohei Kawaguchi

This paper proposes a method for generating machine-type-specific anomalies to evaluate the relative performance of unsupervised anomalous sound detection (UASD) systems across different machine types, even in the absence of real anomaly…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-29 Harsh Purohit , Tomoya Nishida , Kota Dohi , Takashi Endo , Yohei Kawaguchi

We present a machine sound dataset to benchmark domain generalization techniques for anomalous sound detection (ASD). Domain shifts are differences in data distributions that can degrade the detection performance, and handling them is a…

First-shot (FS) unsupervised anomalous sound detection (ASD) is a brand-new task introduced in DCASE 2023 Challenge Task 2, where the anomalous sounds for the target machine types are unseen in training. Existing methods often rely on the…

Sound · Computer Science 2024-03-12 Hejing Zhang , Qiaoxi Zhu , Jian Guan , Haohe Liu , Feiyang Xiao , Jiantong Tian , Xinhao Mei , Xubo Liu , Wenwu Wang

Anomalous sound detection (ASD) is, nowadays, one of the topical subjects in machine listening discipline. Unsupervised detection is attracting a lot of interest due to its immediate applicability in many fields. For example, related to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-06-30 Sergi Perez-Castanos , Javier Naranjo-Alcazar , Pedro Zuccarello , Maximo Cobos

Unsupervised Anomalous Sound Detection (ASD) aims to design a generalizable method that can be used to detect anomalies when only normal sounds are given. In this paper, Anomalous Sound Detection based on Diffusion Models (ASD-Diffusion) is…

Sound · Computer Science 2024-09-25 Fengrun Zhang , Xiang Xie , Kai Guo

Machine anomalous sound detection (ASD) has emerged as one of the most promising applications in the Industrial Internet of Things (IIoT) due to its unprecedented efficacy in mitigating risks of malfunctions and promoting production…

Sound · Computer Science 2024-08-28 Anbai Jiang , Yuchen Shi , Pingyi Fan , Wei-Qiang Zhang , Jia Liu

Existing works on anomaly detection (AD) rely on clean labels from human annotators that are expensive to acquire in practice. In this work, we propose a method to leverage weak/noisy labels (e.g., risk scores generated by machine rules for…

Machine Learning · Computer Science 2022-11-24 Yue Zhao , Guoqing Zheng , Subhabrata Mukherjee , Robert McCann , Ahmed Awadallah

To develop a machine sound monitoring system, a method for detecting anomalous sound is proposed. In this paper, we explore a method for multiple clients to collaboratively learn an anomalous sound detection model while keeping their raw…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-26 Kota Dohi , Yohei Kawaguchi

Audio deepfake detection (ADD) is essential for preventing the misuse of synthetic voices that may infringe on personal rights and privacy. Recent zero-shot text-to-speech (TTS) models pose higher risks as they can clone voices with a…

Sound · Computer Science 2024-09-23 Yuang Li , Min Zhang , Mengxin Ren , Miaomiao Ma , Daimeng Wei , Hao Yang

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

This paper proposes an unsupervised anomalous sound detection method using sound separation. In factory environments, background noise and non-objective sounds obscure desired machine sounds, making it challenging to detect anomalous…

Sound · Computer Science 2023-05-26 Kanta Shimonishi , Kota Dohi , Yohei Kawaguchi

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…

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