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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

We present an iVector based Acoustic Scene Classification (ASC) system suited for real life settings where active foreground speech can be present. In the proposed system, each recording is represented by a fixed-length iVector that models…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-03 Siyuan Song , Brecht Desplanques , Celest De Moor , Kris Demuynck , Nilesh Madhu

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

Sound event detection is a challenging task, especially for scenes with multiple simultaneous events. While event classification methods tend to be fairly accurate, event localization presents additional challenges, especially when large…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-12 Sandeep Kothinti , Keisuke Imoto , Debmalya Chakrabarty , Gregory Sell , Shinji Watanabe , Mounya Elhilali

This thesis focuses on dealing with the task of acoustic scene classification (ASC), and then applied the techniques developed for ASC to a real-life application of detecting respiratory disease. To deal with ASC challenges, this thesis…

Sound · Computer Science 2021-07-21 Lam Pham

In acoustic scene classification (ASC), acoustic features play a crucial role in the extraction of scene information, which can be stored over different time scales. Moreover, the limited size of the dataset may lead to a biased model with…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Hangting Chen , Zuozhen Liu , Zongming Liu , Pengyuan Zhang

Acoustic Scene Classification (ASC) is one of the core research problems in the field of Computational Sound Scene Analysis. In this work, we present SubSpectralNet, a novel model which captures discriminative features by incorporating…

Sound · Computer Science 2019-02-26 Sai Samarth R Phaye , Emmanouil Benetos , Ye Wang

Detection of common events and scenes from audio is useful for extracting and understanding human contexts in daily life. Prior studies have shown that leveraging knowledge from a relevant domain is beneficial for a target acoustic event…

Although acoustic scenes and events include many related tasks, their combined detection and classification have been scarcely investigated. We propose three architectures of deep neural networks that are integrated to simultaneously…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Jee-weon Jung , Hye-jin Shim , Ju-ho Kim , Ha-Jin Yu

The goal of the acoustic scene classification (ASC) task is to classify recordings into one of the predefined acoustic scene classes. However, in real-world scenarios, ASC systems often encounter challenges such as recording device…

In this paper, we present a robust and low complexity system for Acoustic Scene Classification (ASC), the task of identifying the scene of an audio recording. We first construct an ASC baseline system in which a novel…

Sound · Computer Science 2022-03-24 Lam Pham , Khoa Dinh , Dat Ngo , Hieu Tang , Alexander Schindler

This paper presents an alternate representation framework to commonly used time-frequency representation for acoustic scene classification (ASC). A raw audio signal is represented using a pre-trained convolutional neural network (CNN) using…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-04 Arshdeep Singh

Acoustic scene classification identifies an input segment into one of the pre-defined classes using spectral information. The spectral information of acoustic scenes may not be mutually exclusive due to common acoustic properties across…

Audio and Speech Processing · Electrical Eng. & Systems 2019-07-18 Hee-Soo Heo , Jee-weon Jung , Hye-jin Shim , Ha-Jin Yu

Acoustic scene classification (ASC) aims to identify the type of scene (environment) in which a given audio signal is recorded. The log-mel feature and convolutional neural network (CNN) have recently become the most popular time-frequency…

Sound · Computer Science 2021-08-12 Yuzhong Wu , Tan Lee

In this technical report, a low-complexity deep learning system for acoustic scene classification (ASC) is presented. The proposed system comprises two main phases: (Phase I) Training a teacher network; and (Phase II) training a student…

Sound · Computer Science 2023-05-17 Lam Pham , Dat Ngo , Cam Le , Anahid Jalali , Alexander Schindler

Frequently misclassified pairs of classes that share many common acoustic properties exist in acoustic scene classification (ASC). To distinguish such pairs of classes, trivial details scattered throughout the data could be vital clues.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-10 Hye-jin Shim , Jee-weon Jung , Ju-ho Kim , Ha-jin Yu

This paper introduces the acoustic scene classification task of DCASE 2018 Challenge and the TUT Urban Acoustic Scenes 2018 dataset provided for the task, and evaluates the performance of a baseline system in the task. As in previous years…

Audio and Speech Processing · Electrical Eng. & Systems 2018-10-12 Annamaria Mesaros , Toni Heittola , Tuomas Virtanen

The use of multiple and semantically correlated sources can provide complementary information to each other that may not be evident when working with individual modalities on their own. In this context, multi-modal models can help producing…

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

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