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This research presents a robust approach to classifying COVID-19 cough sounds using cutting-edge machine-learning techniques. Leveraging deep neural decision trees and deep neural decision forests, our methodology demonstrates consistent…

Sound · Computer Science 2025-01-03 Rofiqul Islam , Nihad Karim Chowdhury , Muhammad Ashad Kabir

Motivation: In many fMRI studies, respiratory signals are often missing or of poor quality. Therefore, it could be highly beneficial to have a tool to extract respiratory variation (RV) waveforms directly from fMRI data without the need for…

Machine Learning · Computer Science 2024-05-02 Abdoljalil Addeh , Fernando Vega , Rebecca J. Williams , G. Bruce Pike , M. Ethan MacDonald

Mechanically ventilated patients typically exhibit abnormal respiratory sounds. Squawks are short inspiratory adventitious sounds that may occur in patients with pneumonia, such as COVID-19 patients. In this work we devised a method for…

This work explores speech as a biomarker and investigates the detection of respiratory insufficiency (RI) by analyzing speech samples. Previous work \cite{spira2021} constructed a dataset of respiratory insufficiency COVID-19 patient…

Sound · Computer Science 2022-10-26 Marcelo Matheus Gauy , Marcelo Finger

This paper addresses the issue of cough detection using only audio recordings, with the ultimate goal of quantifying and qualifying the degree of pathology for patients suffering from respiratory diseases, notably mucoviscidosis. A large…

Sound · Computer Science 2020-01-06 Thomas Drugman , Jerome Urbain , Thierry Dutoit

Developing objective methods for assessing the severity of Parkinson's disease (PD) is crucial for improving the diagnosis and treatment. This study proposes two sets of novel features derived from the single frequency filtering (SFF)…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-21 Sudarsana Reddy Kadiri , Manila Kodali , Paavo Alku

Objective: This study aimed to evaluate which voice features can predict health deterioration in patients with chronic HF. Background: Heart failure (HF) is a chronic condition with progressive deterioration and acute decompensations, often…

With the periodic rise and fall of COVID-19 and countries being inflicted by its waves, an efficient, economic, and effortless diagnosis procedure for the virus has been the utmost need of the hour. COVID-19 positive individuals may even be…

Sound · Computer Science 2026-05-21 Saranga Kingkor Mahanta , Darsh Kaushik , Shubham Jain , Hoang Van Truong , Koushik Guha

In this work, we propose a bi-directional long short-term memory (BiLSTM) network based COVID-19 detection method using breath/speech/cough signals. By using the acoustic signals to train the network, respectively, we can build individual…

Audio and Speech Processing · Electrical Eng. & Systems 2022-05-10 Xing-Yu Chen , Qiu-Shi Zhu , Jie Zhang , Li-Rong Dai

Mel-frequency cepstral coefficients (MFCCs) are an important feature in speech processing. A deeper understanding of their properties can contribute to the work that is being done with both classical and deep learning models. This study…

Audio and Speech Processing · Electrical Eng. & Systems 2025-10-08 Vitor Magno de O. S. Bezerra , Gabriel F. A. Bastos , Jugurta Montalvão

The development of models for learning music similarity and feature extraction from audio media files is an increasingly important task for the entertainment industry. This work proposes a novel music classification model based on metric…

Sound · Computer Science 2019-09-19 Angelo C. Mendes da Silva , Mauricio A. Nunes , Raul Fonseca Neto

The research direction of identifying acoustic bio-markers of respiratory diseases has received renewed interest following the onset of COVID-19 pandemic. In this paper, we design an approach to COVID-19 diagnostic using crowd-sourced…

We present an experimental investigation into the effectiveness of transfer learning and bottleneck feature extraction in detecting COVID-19 from audio recordings of cough, breath and speech. This type of screening is non-contact, does not…

Sound · Computer Science 2022-05-12 Madhurananda Pahar , Marisa Klopper , Robin Warren , Thomas Niesler

Convolutional neural networks (CNNs) are widely used in computer vision. They can be used not only for conventional digital image material to recognize patterns, but also for feature extraction from digital imagery representing spectral and…

Sound · Computer Science 2025-09-16 Friedrich Wolf-Monheim

Several speaker identification systems are giving good performance with clean speech but are affected by the degradations introduced by noisy audio conditions. To deal with this problem, we investigate the use of complementary information…

Sound · Computer Science 2014-07-03 Imen Trabelsi , Dorra Ben Ayed

Digital processing of speech signal and voice recognition algorithm is very important for fast and accurate automatic voice recognition technology. The voice is a signal of infinite information. A direct analysis and synthesizing the…

Multimedia · Computer Science 2010-03-23 Lindasalwa Muda , Mumtaj Begam , I. Elamvazuthi

Respiratory diseases impose a significant burden on global health, with current diagnostic and management practices primarily reliant on specialist clinical testing. This work aims to develop machine learning-based algorithms to facilitate…

Machine Learning · Computer Science 2024-09-06 Negar Orangi-Fard , Alexandru Bogdan , Hersh Sagreiya

Introduction: The presence of fibrillatory waves (f-waves) is important in the diagnosis of atrial fibrillation (AF), which has motivated the development of methods for f-wave extraction. We propose a novel approach to benchmarking methods…

Signal Processing · Electrical Eng. & Systems 2023-07-18 Noam Ben-Moshe , Shany Biton , Kenta Tsutsui , Mahmoud Suleiman , Leif Sörnmo , Joachim A. Behar

Cardiovascular diseases (CVD) are the leading cause of death worldwide, with coronary artery disease (CAD) comprising the largest subcategory of CVDs. Recently, there has been increased focus on detecting CAD using phonocardiogram (PCG)…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-07 Milan Marocchi , Matthew Fynn , Yue Rong

COVID-19 has affected more than 223 countries worldwide and in the Post-COVID Era, there is a pressing need for non-invasive, low-cost, and highly scalable solutions to detect COVID-19. We develop a deep learning model to identify COVID-19…

Sound · Computer Science 2026-05-13 Yuyang Yan , Wafaa Aljbawi , Sami O. Simons , Visara Urovi