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Learning meaningful frame-wise features on a partially labeled dataset is crucial to semi-supervised sound event detection. Prior works either maintain consistency on frame-level predictions or seek feature-level similarity among…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-18 Yiming Li , Xiangdong Wang , Hong Liu , Rui Tao , Long Yan , Kazushige Ouchi

Environmental sound scene and sound event recognition is important for the recognition of suspicious events in indoor and outdoor environments (such as nurseries, smart homes, nursing homes, etc.) and is a fundamental task involved in many…

Sound · Computer Science 2023-08-31 Nan Che , Chenrui Liu , Fei Yu

Consistency regularization (CR), which enforces agreement between model predictions on augmented views, has found recent benefits in automatic speech recognition [1]. In this paper, we propose the use of consistency regularization for audio…

Sound · Computer Science 2025-09-15 Shanmuka Sadhu , Weiran Wang

In recent years, anomaly events detection in crowd scenes attracts many researchers' attention, because of its importance to public safety. Existing methods usually exploit visual information to analyze whether any abnormal events have…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Junyu Gao , Maoguo Gong , Xuelong Li

This paper shows that characterizing co-occurrence between events is an important but non-trivial and neglected aspect of discovering potential causal relationships in multimedia event streams. First an introduction to the notion of event…

Multimedia · Computer Science 2016-03-31 Laleh Jalali , Ramesh Jain

In conventional sound event detection (SED) models, two types of events, namely, those that are present and those that do not occur in an acoustic scene, are regarded as the same type of events. The conventional SED methods cannot…

Sound · Computer Science 2021-02-11 Noriyuki Tonami , Keisuke Imoto , Yuki Okamoto , Takahiro Fukumori , Yoichi Yamashita

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

Sound event localization and detection (SELD) is a joint task of sound event detection and direction-of-arrival estimation. In DCASE 2022 Task 3, types of data transform from computationally generated spatial recordings to recordings of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-12 Jinbo Hu , Yin Cao , Ming Wu , Qiuqiang Kong , Feiran Yang , Mark D. Plumbley , Jun Yang

This paper is about alerting acoustic event detection and sound source localisation in an urban scenario. Specifically, we are interested in spotting the presence of horns, and sirens of emergency vehicles. In order to obtain a reliable…

Sound · Computer Science 2022-03-29 Letizia Marchegiani , Paul Newman

In the analysis of acoustic scenes, often the occurring sounds have to be detected in time, recognized, and localized in space. Usually, each of these tasks is done separately. In this paper, a model-based approach to jointly carry them out…

Sound · Computer Science 2017-12-20 Rupayan Chakraborty , Climent Nadeu

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

Acoustic scene classification systems using deep neural networks classify given recordings into pre-defined classes. In this study, we propose a novel scheme for acoustic scene classification which adopts an audio tagging system inspired by…

Audio and Speech Processing · Electrical Eng. & Systems 2020-04-21 Jee-weon Jung , Hye-jin Shim , Ju-ho Kim , Seung-bin Kim , Ha-Jin Yu

WHO's report on environmental noise estimates that 22 M people suffer from chronic annoyance related to noise caused by audio events (AEs) from various sources. Annoyance may lead to health issues and adverse effects on metabolic and…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-18 Yuanbo Hou , Qiaoqiao Ren , Siyang Song , Yuxin Song , Wenwu Wang , Dick Botteldooren

A sound event detection (SED) method typically takes as an input a sequence of audio frames and predicts the activities of sound events in each frame. In real-life recordings, the sound events exhibit some temporal structure: for instance,…

Sound · Computer Science 2019-11-07 Konstantinos Drossos , Shayan Gharib , Paul Magron , Tuomas Virtanen

Sound event detection (SED) is the task of identifying sound events along with their onset and offset times. A recent, convolutional neural networks based SED method, proposed the usage of depthwise separable (DWS) and time-dilated…

Sound · Computer Science 2020-07-13 Konstantinos Drossos , Stylianos I. Mimilakis , Tuomas Virtanen

In this paper, we propose the use of spatial and harmonic features in combination with long short term memory (LSTM) recurrent neural network (RNN) for automatic sound event detection (SED) task. Real life sound recordings typically have…

The performance of sound event detection methods can significantly degrade when they are used in unseen conditions (e.g. recording devices, ambient noise). Domain adaptation is a promising way to tackle this problem. In this paper, we…

Sound · Computer Science 2019-11-26 Shayan Gharib , Konstantinos Drossos , Eemi Fagerlund , Tuomas Virtanen

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.,…

There is a common observation that audio event classification is easier to deal with than detection. So far, this observation has been accepted as a fact and we lack of a careful analysis. In this paper, we reason the rationale behind this…

We propose a method for accurately detecting bioacoustic sound events that is robust to overlapping events, a common issue in domains such as ethology, ecology and conservation. While standard methods employ a frame-based, multi-label…