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This paper addresses the extraction of the bird vocalization embedding from the whole song level using disentangled representation learning (DRL). Bird vocalization embeddings are necessary for large-scale bioacoustic tasks, and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-31 Runwu Shi , Katsutoshi Itoyama , Kazuhiro Nakadai

Masked Autoencoders (MAEs) learn rich semantic representations in audio classification through an efficient self-supervised reconstruction task. However, general-purpose models fail to generalize well when applied directly to fine-grained…

Machine Learning · Computer Science 2025-08-20 Lukas Rauch , René Heinrich , Ilyass Moummad , Alexis Joly , Bernhard Sick , Christoph Scholz

Recording and analysing environmental audio recordings has become a common approach for monitoring the environment. A current problem with performing analyses of environmental recordings is interference from noise that can mask sounds of…

Sound · Computer Science 2018-04-17 Alexander Brown , Saurabh Garg , James Montgomery

Acoustic scene classification (ASC) predominantly relies on supervised approaches. However, acquiring labeled data for training ASC models is often costly and time-consuming. Recently, self-supervised learning (SSL) has emerged as a…

Sound · Computer Science 2024-08-28 Yiqiang Cai , Shengchen Li , Xi Shao

Much more attention has been paid to unsupervised feature selection nowadays due to the emergence of massive unlabeled data. The distribution of samples and the latent effect of training a learning method using samples in more effective…

Machine Learning · Computer Science 2021-12-15 Weiyi Li , Hongmei Chen , Tianrui Li , Jihong Wan , Binbin Sang

Mel-scale spectrum features are used in various recognition and classification tasks on speech signals. There is no reason to expect that these features are optimal for all different tasks, including speaker verification (SV). This paper…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-16 Jingyu Li , Yusheng Tian , Tan Lee

We address the problem of learning self-supervised representations from unlabeled image collections. Unlike existing approaches that attempt to learn useful features by maximizing similarity between augmented versions of each input image or…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Omiros Pantazis , Gabriel Brostow , Kate Jones , Oisin Mac Aodha

Supervised learning of deep neural networks heavily relies on large-scale datasets annotated by high-quality labels. In contrast, mislabeled samples can significantly degrade the generalization of models and result in memorizing samples,…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Tsung-Ming Tai , Yun-Jie Jhang , Wen-Jyi Hwang

Combining multiple machine learning models into an ensemble is known to provide superior performance levels compared to the individual components forming the ensemble. This is because models can complement each other in taking better…

Sound · Computer Science 2021-06-09 Nicolae-Catalin Ristea , Radu Tudor Ionescu

High-quality labeled datasets are essential for deep learning. Traditional manual annotation methods are not only costly and inefficient but also pose challenges in specialized domains where expert knowledge is needed. Self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Zhaocong liu , Fa Zhang , Lin Cheng , Huanxi Deng , Xiaoyan Yang , Zhenyu Zhang , Chichun Zhou

Large-scale labeled data are generally required to train deep neural networks in order to obtain better performance in visual feature learning from images or videos for computer vision applications. To avoid extensive cost of collecting and…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Longlong Jing , Yingli Tian

Researches on sequential vocalization often require analysis of vocalizations in long continuous sounds. In such studies as developmental ones or studies across generations in which days or months of vocalizations must be analyzed, methods…

Neurons and Cognition · Quantitative Biology 2016-09-28 Takuya Koumura , Kazuo Okanoya

Audio classification has seen great progress with the increasing availability of large-scale datasets. These large datasets, however, are often only partially labeled as collecting full annotations is a tedious and expensive process. This…

Sound · Computer Science 2021-11-29 Siddharth Gururani , Alexander Lerch

Unsupervised learning of high-dimensional data is challenging due to irrelevant or noisy features obscuring underlying structures. It's common that only a few features, called the influential features, meaningfully define the clusters.…

Machine Learning · Computer Science 2026-03-26 Chen Ma , Wanjie Wang , Shuhao Fan

In this paper, we propose a method to improve sound classification performance by combining signal features, derived from the time-frequency spectrogram, with human perception. The method presented herein exploits an artificial neural…

Computer Vision and Pattern Recognition · Computer Science 2013-06-19 Mohammad Pourhomayoun , Peter Dugan , Marian Popescu , Denise Risch , Hal Lewis , Christopher Clark

Biodiversity monitoring using audio recordings is achievable at a truly global scale via large-scale deployment of inexpensive, unattended recording stations or by large-scale crowdsourcing using recording and species recognition on mobile…

Machine Learning · Statistics 2015-05-26 Timos Papadopoulos , Stephen Roberts , Kathy Willis

This study investigates the potential of automated deep learning to enhance the accuracy and efficiency of multi-class classification of bird vocalizations, compared against traditional manually-designed deep learning models. Using the…

Machine Learning · Computer Science 2023-12-27 Giulio Tosato , Abdelrahman Shehata , Joshua Janssen , Kees Kamp , Pramatya Jati , Dan Stowell

In the last several years the use of neural networks as tools to automate species classification from digital data has increased. This has been due in part to the high classification accuracy of image classification through Convolutional…

Sound · Computer Science 2025-09-16 Sergio Poo Hernandez , Vadim Bulitko , Erin Bayne

Labelled data are limited and self-supervised learning is one of the most important approaches for reducing labelling requirements. While it has been extensively explored in the image domain, it has so far not received the same amount of…

Sound · Computer Science 2025-05-16 Jingyong Liang , Bernd Meyer , Isaac Ning Lee , Thanh-Toan Do

Feature learning and deep learning have drawn great attention in recent years as a way of transforming input data into more effective representations using learning algorithms. Such interest has grown in the area of music information…

Machine Learning · Computer Science 2016-10-18 Juhan Nam , Jorge Herrera , Kyogu Lee