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The intersection of technology and mental health has spurred innovative approaches to assessing emotional well-being, particularly through computational techniques applied to audio data analysis. This study explores the application of…

Sound · Computer Science 2024-12-17 Idoko Agbo , Dr Hoda El-Sayed , M. D Kamruzzan Sarker

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

Sound events often occur in unstructured environments where they exhibit wide variations in their frequency content and temporal structure. Convolutional neural networks (CNN) are able to extract higher level features that are invariant to…

Machine Learning · Computer Science 2017-05-31 Emre Çakır , Giambattista Parascandolo , Toni Heittola , Heikki Huttunen , Tuomas Virtanen

In this paper, ensembles of classifiers that exploit several data augmentation techniques and four signal representations for training Convolutional Neural Networks (CNNs) for audio classification are presented and tested on three freely…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-18 Loris Nanni , Gianluca Maguolo , Sheryl Brahnam , Michelangelo Paci

Feature preference in Convolutional Neural Network (CNN) image classifiers is integral to their decision making process, and while the topic has been well studied, it is still not understood at a fundamental level. We test a range of task…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Max Wolff , Stuart Wolff

Acoustic scene classification (ASC) is highly important in the real world. Recently, deep learning-based methods have been widely employed for acoustic scene classification. However, these methods are currently not lightweight enough as…

Sound · Computer Science 2024-05-07 ShuQi Ye , Yuan Tian

The performance of automatic speech recognition systems under noisy environments still leaves room for improvement. Speech enhancement or feature enhancement techniques for increasing noise robustness of these systems usually add components…

Computation and Language · Computer Science 2016-09-19 Stefan Braun , Daniel Neil , Shih-Chii Liu

Existing audio analysis methods generally first transform the audio stream to spectrogram, and then feed it into CNN for further analysis. A standard CNN recognizes specific visual patterns over feature map, then pools for high-level…

Sound · Computer Science 2023-03-16 Yulin Pan , Xiangteng He , Biao Gong , Yuxin Peng , Yiliang Lv

Speaker verification aims to verify whether an input speech corresponds to the claimed speaker, and conventionally, this kind of system is deployed based on single-stream scenario, wherein the feature extractor operates in full frequency…

Sound · Computer Science 2025-09-03 Wei Yao , Shen Chen , Jiamin Cui , Yaolin Lou

Despite the initial belief that Convolutional Neural Networks (CNNs) are driven by shapes to perform visual recognition tasks, recent evidence suggests that texture bias in CNNs provides higher performing models when learning on large…

Computer Vision and Pattern Recognition · Computer Science 2020-12-25 Reza Azad , Abdur R Fayjie , Claude Kauffman , Ismail Ben Ayed , Marco Pedersoli , Jose Dolz

Errors in measurements are key to weighting the value of data, but are often neglected in Machine Learning (ML). We show how Convolutional Neural Networks (CNNs) are able to learn about the context and patterns of signal and noise, leading…

Machine Learning · Computer Science 2021-08-11 Natália V. N. Rodrigues , L. Raul Abramo , Nina S. Hirata

In this report, we presents low-complexity deep learning frameworks for acoustic scene classification (ASC). The proposed frameworks can be separated into four main steps: Front-end spectrogram extraction, online data augmentation, back-end…

Sound · Computer Science 2022-06-14 Lam Pham , Dat Ngo , Anahid Jalali , Alexander Schindler

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

Speech emotion recognition (SER) systems often struggle in real-world environments, where ambient noise severely degrades their performance. This paper explores a novel approach that exploits prior knowledge of testing environments to…

Sound · Computer Science 2025-11-11 Seong-Gyun Leem , Daniel Fulford , Jukka-Pekka Onnela , David Gard , Carlos Busso

A Convolutional Neural Network (CNN) is sometimes confronted with objects of changing appearance ( new instances) that exceed its generalization capability. This requires the CNN to incorporate new knowledge, i.e., to learn incrementally.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Tobias Scheck , Ana Perez Grassi , Gangolf Hirtz

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

In recent decade, many state-of-the-art algorithms on image classification as well as audio classification have achieved noticeable successes with the development of deep convolutional neural network (CNN). However, most of the works only…

Computer Vision and Pattern Recognition · Computer Science 2018-11-27 Bold Naranchimeg , Chao Zhang , Takuya Akashi

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

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

We explore multi-scale convolutional neural nets (CNNs) for image classification. Contemporary approaches extract features from a single output layer. By extracting features from multiple layers, one can simultaneously reason about high,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-21 Songfan Yang , Deva Ramanan