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Polyphonic sound event detection and direction-of-arrival estimation require different input features from audio signals. While sound event detection mainly relies on time-frequency patterns, direction-of-arrival estimation relies on…

Audio and Speech Processing · Electrical Eng. & Systems 2020-11-17 Thi Ngoc Tho Nguyen , Douglas L. Jones , Woon-Seng Gan

This paper proposes an effective modelling of sound event spectra with a hidden data-size-imbalance, for improved Acoustic Event Detection (AED). The proposed method models each event as an aggregated representation of a few latent factors,…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-08 Chaitanya Narisetty , Tatsuya Komatsu , Reishi Kondo

A central problem in building effective sound event detection systems is the lack of high-quality, strongly annotated sound event datasets. For this reason, Task 4 of the DCASE 2024 challenge proposes learning from two heterogeneous…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-19 Florian Schmid , Paul Primus , Tobias Morocutti , Jonathan Greif , Gerhard Widmer

In this paper, we present a deep learning framework applied for Acoustic Scene Classification (ASC), the task of classifying scene contexts from environmental input sounds. An ASC system generally comprises of two main steps, referred to as…

Sound · Computer Science 2020-05-27 Dat Ngo , Hao Hoang , Anh Nguyen , Tien Ly , Lam Pham

In this paper, we present a method called HODGEPODGE\footnotemark[1] for large-scale detection of sound events using weakly labeled, synthetic, and unlabeled data proposed in the Detection and Classification of Acoustic Scenes and Events…

Sound · Computer Science 2019-07-18 Ziqiang Shi , Liu Liu , Huibin Lin , Rujie Liu , Anyan Shi

This paper considers a semi-supervised learning framework for weakly labeled polyphonic sound event detection problems for the DCASE 2019 challenge's task4 by combining both the tri-training and adversarial learning. The goal of the task4…

Sound · Computer Science 2019-10-16 Hyoungwoo Park , Sungrack Yun , Jungyun Eum , Janghoon Cho , Kyuwoong Hwang

This research focused on enhancing post-incident malware forensic investigation using reinforcement learning RL. We proposed an advanced MDP post incident malware forensics investigation model and framework to expedite post incident…

Cryptography and Security · Computer Science 2025-01-08 Dipo Dunsin , Mohamed Chahine Ghanem , Karim Ouazzane , Vassil Vassilev

Previous studies have confirmed that by augmenting acoustic features with the place/manner of articulatory features, the speech enhancement (SE) process can be guided to consider the broad phonetic properties of the input speech when…

Sound · Computer Science 2023-06-21 Yen-Ju Lu , Chia-Yu Chang , Cheng Yu , Ching-Feng Liu , Jeih-weih Hung , Shinji Watanabe , Yu Tsao

Diffusion-based large language models offer a non-autoregressive alternative for text generation, but enabling them to perform complex reasoning remains challenging. Reinforcement learning has recently emerged as an effective post-training…

Artificial Intelligence · Computer Science 2026-04-14 Shaoan Xie , Lingjing Kong , Xiangchen Song , Xinshuai Dong , Guangyi Chen , Eric P. Xing , Kun Zhang

This paper proposes a neural network architecture and training scheme to learn the start and end time of sound events (strong labels) in an audio recording given just the list of sound events existing in the audio without time information…

Sound · Computer Science 2017-10-10 Sharath Adavanne , Tuomas Virtanen

Conventional audio classification relied on predefined classes, lacking the ability to learn from free-form text. Recent methods unlock learning joint audio-text embeddings from raw audio-text pairs describing audio in natural language.…

Multimedia · Computer Science 2024-01-11 Ali Vosoughi , Luca Bondi , Ho-Hsiang Wu , Chenliang Xu

We propose a method to perform audio event detection under the common constraint that only limited training data are available. In training a deep learning system to perform audio event detection, two practical problems arise. Firstly, most…

Sound · Computer Science 2018-10-29 Veronica Morfi , Dan Stowell

A good joint training framework is very helpful to improve the performances of weakly supervised audio tagging (AT) and acoustic event detection (AED) simultaneously. In this study, we propose three methods to improve the best…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-15 Yunhao Liang , Yanhua Long , Yijie Li , Jiaen Liang , Yuping Wang

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

Many applications involve detecting and localizing specific sound events within long, untrimmed documents, including keyword spotting, medical observation, and bioacoustic monitoring for conservation. Deep learning techniques often set the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-27 Piper Wolters , Logan Sizemore , Chris Daw , Brian Hutchinson , Lauren Phillips

Most successful information extraction systems operate with access to a large collection of documents. In this work, we explore the task of acquiring and incorporating external evidence to improve extraction accuracy in domains where the…

Computation and Language · Computer Science 2016-09-29 Karthik Narasimhan , Adam Yala , Regina Barzilay

This paper describes that semi-supervised learning called peer collaborative learning (PCL) can be applied to the polyphonic sound event detection (PSED) task, which is one of the tasks in the Detection and Classification of Acoustic Scenes…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-31 Hayato Endo , Hiromitsu Nishizaki

In this paper, we present a gated convolutional recurrent neural network based approach to solve task 4, large-scale weakly labelled semi-supervised sound event detection in domestic environments, of the DCASE 2018 challenge. Gated linear…

Sound · Computer Science 2018-10-17 Robert Harb , Franz Pernkopf

Continuously learning new classes without catastrophic forgetting is a challenging problem for on-device environmental sound classification given the restrictions on computation resources (e.g., model size, running memory). To address this…

Sound · Computer Science 2022-07-19 Yang Xiao , Xubo Liu , James King , Arshdeep Singh , Eng Siong Chng , Mark D. Plumbley , Wenwu Wang

Audio captioning is an important research area that aims to generate meaningful descriptions for audio clips. Most of the existing research extracts acoustic features of audio clips as input to encoder-decoder and transformer architectures…

Sound · Computer Science 2022-04-20 Ayşegül Özkaya Eren , Mustafa Sert