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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

To improve device robustness, a highly desirable key feature of a competitive data-driven acoustic scene classification (ASC) system, a novel two-stage system based on fully convolutional neural networks (CNNs) is proposed. Our two-stage…

One of the biggest challenges of acoustic scene classification (ASC) is to find proper features to better represent and characterize environmental sounds. Environmental sounds generally involve more sound sources while exhibiting less…

Sound · Computer Science 2019-04-11 Hongwei Song , Jiqing Han , Shiwen Deng

Auscultation plays a pivotal role in early respiratory and pulmonary disease diagnosis. Despite the emergence of deep learning-based methods for automatic respiratory sound classification post-Covid-19, limited datasets impede performance…

Sound · Computer Science 2025-03-04 Yun Chu , Qiuhao Wang , Enze Zhou , Ling Fu , Qian Liu , Gang Zheng

Acoustic Event Classification (AEC) has become a significant task for machines to perceive the surrounding auditory scene. However, extracting effective representations that capture the underlying characteristics of the acoustic events is…

Sound · Computer Science 2021-06-22 Zixing Zhang , Ding Liu , Jing Han , Kun Qian , Björn Schuller

The current methodology in tackling Acoustic Scene Classification (ASC) task can be described in two steps, preprocessing of the audio waveform into log-mel spectrogram and then using it as the input representation for Convolutional Neural…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-18 Xing Yong Kek , Cheng Siong Chin , Ye Li

Acoustic scene recordings are often collected from a diverse range of cities. Most existing acoustic scene classification (ASC) approaches focus on identifying common acoustic scene patterns across cities to enhance generalization. However,…

Sound · Computer Science 2025-06-16 Yiqiang Cai , Yizhou Tan , Shengchen Li , Xi Shao , Mark D. Plumbley

Topic classification systems on spoken documents usually consist of two modules: an automatic speech recognition (ASR) module to convert speech into text and a text topic classification (TTC) module to predict the topic class from the…

Computation and Language · Computer Science 2021-06-17 Tan Liu , Wu Guo , Bin Gu

This work is an improved system that we submitted to task 1 of DCASE2023 challenge. We propose a method of low-complexity acoustic scene classification by a parallel attention-convolution network which consists of four modules, including…

Audio and Speech Processing · Electrical Eng. & Systems 2024-06-13 Yanxiong Li , Jiaxin Tan , Guoqing Chen , Jialong Li , Yongjie Si , Qianhua He

Spectrograms have been widely used in Convolutional Neural Networks based schemes for acoustic scene classification, such as the STFT spectrogram and the MFCC spectrogram, etc. They have different time-frequency characteristics,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-06 Weiping Zheng , Zhenyao Mo , Xiaotao Xing , Gansen Zhao

In this work, we compare the performance of three selected techniques in open set acoustic scenes classification (ASC). We test thresholding of the softmax output of a deep network classifier, which is the most popular technique nowadays…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-18 Zuzanna Kwiatkowska , Beniamin Kalinowski , Michał Kośmider , Krzysztof Rykaczewski

Recently, audio-visual scene classification (AVSC) has attracted increasing attention from multidisciplinary communities. Previous studies tended to adopt a pipeline training strategy, which uses well-trained visual and acoustic encoders to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-26 Chengxin Chen , Meng Wang , Pengyuan Zhang

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

Sound · Computer Science 2019-07-05 Zhichao Zhang , Shugong Xu , Tianhao Qiao , Shunqing Zhang , Shan Cao

Acoustic scene classification (ASC) is a crucial research problem in computational auditory scene analysis, and it aims to recognize the unique acoustic characteristics of an environment. One of the challenges of the ASC task is the domain…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-01 Jisheng Bai , Mou Wang , Haohe Liu , Han Yin , Yafei Jia , Siwei Huang , Yutong Du , Dongzhe Zhang , Dongyuan Shi , Woon-Seng Gan , Mark D. Plumbley , Susanto Rahardja , Bin Xiang , Jianfeng Chen

Environmental Sound Classification (ESC) is an important and challenging problem, and feature representation is a critical and even decisive factor in ESC. Feature representation ability directly affects the accuracy of sound…

Sound · Computer Science 2019-08-19 Tianhao Qiao , Shunqing Zhang , Zhichao Zhang , Shan Cao , Shugong Xu

The approach used not only challenges some of the fundamental mathematical techniques used so far in early experiments of the same trend but also introduces new scopes and new horizons for interesting results. The physics governing…

Sound · Computer Science 2022-07-18 Jayesh Kumpawat , Shubhajit Dey

In the past, Acoustic Scene Classification systems have been based on hand crafting audio features that are input to a classifier. Nowadays, the common trend is to adopt data driven techniques, e.g., deep learning, where audio…

Sound · Computer Science 2018-06-29 Eduardo Fonseca , Rong Gong , Xavier Serra

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

Environmental sound classification (ESC) is an important and challenging problem. In contrast to speech, sound events have noise-like nature and may be produced by a wide variety of sources. In this paper, we propose to use a novel deep…

Sound · Computer Science 2018-08-28 Zhichao Zhang , Shugong Xu , Shan Cao , Shunqing Zhang

Previous DCASE challenges contributed to an increase in the performance of acoustic scene classification systems. State-of-the-art classifiers demand significant processing capabilities and memory which is challenging for…

Audio and Speech Processing · Electrical Eng. & Systems 2021-12-10 Nagashree K. S. Rao , Nils Peters