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While multitask and transfer learning has shown to improve the performance of neural networks in limited data settings, they require pretraining of the model on large datasets beforehand. In this paper, we focus on improving the performance…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-15 Soham Deshmukh , Bhiksha Raj , Rita Singh

Understanding and mitigating flicker effects caused by rapid variations in light intensity is critical for enhancing the performance of event cameras in diverse environments. This paper introduces an innovative autonomous mechanism for…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Mehdi Sefidgar Dilmaghani , Waseem Shariff , Cian Ryan , Joe Lemley , Peter Corcoran

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiovascular assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

Machine Learning · Computer Science 2024-10-31 Christopher J. Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria

Environmental Sound Classification (ESC) is a challenging field of research in non-speech audio processing. Most of current research in ESC focuses on designing deep models with special architectures tailored for specific audio datasets,…

Sound · Computer Science 2021-03-03 Alireza Nasiri , Jianjun Hu

Acoustic scene classification (ASC) and acoustic event detection (AED) are different but related tasks. Acoustic events can provide useful information for recognizing acoustic scenes. However, most of the datasets are provided without…

Sound · Computer Science 2020-10-27 Ruixiong Zhang , Wei Zou , Xiangang Li

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

Label noise is emerging as a pressing issue in sound event classification. This arises as we move towards larger datasets that are difficult to annotate manually, but it is even more severe if datasets are collected automatically from…

Sound · Computer Science 2019-10-29 Eduardo Fonseca , Frederic Font , Xavier Serra

Understanding the coordinated activity underlying brain computations requires large-scale, simultaneous recordings from distributed neuronal structures at a cellular-level resolution. One major hurdle to design high-bandwidth,…

Neural and Evolutionary Computing · Computer Science 2018-09-18 Tong Wu , Wenfeng Zhao , Edward Keefer , Zhi Yang

We present a new Self-Supervised Learning (SSL) approach to pre-train encoders on unlabeled audio data that reduces the need for large amounts of labeled data for audio and speech classification. Our primary aim is to learn audio…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-19 Ashish Seth , Sreyan Ghosh , S. Umesh , Dinesh Manocha

Sound event detection systems typically consist of two stages: extracting hand-crafted features from the raw audio waveform, and learning a mapping between these features and the target sound events using a classifier. Recently, the focus…

Sound · Computer Science 2018-05-11 Emre Çakır , Tuomas Virtanen

In recent years, the wood product industry has been facing a skilled labor shortage. The result is more frequent sudden failures, resulting in additional costs for these companies already operating in a very competitive market. Moreover,…

Sound · Computer Science 2025-01-10 Anthony Deschênes , Rémi Georges , Cem Subakan , Bruna Ugulino , Antoine Henry , Michael Morin

Automated audio captioning (AAC) is an audio-to-text task to describe audio contents in natural language. Recently, the advancements in large language models (LLMs), with improvements in training approaches for audio encoders, have opened…

Sound · Computer Science 2024-06-26 Jizhong Liu , Gang Li , Junbo Zhang , Heinrich Dinkel , Yongqing Wang , Zhiyong Yan , Yujun Wang , Bin Wang

In a recent acoustic scene classification (ASC) research field, training and test device channel mismatch have become an issue for the real world implementation. To address the issue, this paper proposes a channel domain conversion using…

Sound · Computer Science 2018-12-06 Seongkyu Mun , Suwon Shon

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

Attention-based contextual biasing approaches have shown significant improvements in the recognition of generic and/or personal rare-words in End-to-End Automatic Speech Recognition (E2E ASR) systems like neural transducers. These…

Computation and Language · Computer Science 2023-05-10 Xuandi Fu , Kanthashree Mysore Sathyendra , Ankur Gandhe , Jing Liu , Grant P. Strimel , Ross McGowan , Athanasios Mouchtaris

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

The massive growth of self-supervised learning (SSL) has been witnessed in language, vision, speech, and audio domains over the past few years. While discrete label prediction is widely adopted for other modalities, the state-of-the-art…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-20 Sanyuan Chen , Yu Wu , Chengyi Wang , Shujie Liu , Daniel Tompkins , Zhuo Chen , Furu Wei

This paper presents a circuit-algorithm co-design framework for learnable analog front-end (AFE) in audio signal classification. Designing AFE and backend classifiers separately is a common practice but non-ideal, as shown in this paper.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-02 Jinhai Hu , Zhongyi Zhang , Cong Sheng Leow , Wang Ling Goh , Yuan Gao

Identifying acoustic events from a continuously streaming audio source is of interest for many applications including environmental monitoring for basic research. In this scenario neither different event classes are known nor what…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Matthias Meyer , Jan Beutel , Lothar Thiele

In this paper, we propose an effective sound event detection (SED) method based on the audio spectrogram transformer (AST) model, pretrained on the large-scale AudioSet for audio tagging (AT) task, termed AST-SED. Pretrained AST models have…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-08 Kang Li , Yan Song , Li-Rong Dai , Ian McLoughlin , Xin Fang , Lin Liu