Performance analysis of various training targets for improving speech quality and intelligibility

S Sivapatham, A Kar, R Ramadoss - Applied Acoustics, 2021 - Elsevier
Denoising a single-channel speech (recorded using one microphone) remains an open
problem in many speech-related applications. Recently, supervised deep learning methods …

Reconfigurable Architectures with High‐Frequency Noise Suppression for Wearable ECG Devices

V Joseph Michael Jerard, M Thilagaraj… - Journal of …, 2021 - Wiley Online Library
Recent advances in electronics and microelectronics have aided the development of low‐
cost devices that are widely used as well‐being or preventive monitoring devices by many …

Monaural speech separation using GA-DNN integration scheme

S Sivapatham, R Ramadoss, A Kar, B Majhi - Applied Acoustics, 2020 - Elsevier
In this research work, we propose the model based on the Genetic Algorithm (GA) and Deep
Neural Network (DNN) to enhance the quality and intelligibility of the noisy speech. In this …

Gammatone filter bank-deep neural network-based monaural speech enhancement for unseen conditions

S Sivapatham, A Kar, MG Christensen - Applied Acoustics, 2022 - Elsevier
Speech signal enhancement achieves high-level performance in recent years using deep
learning techniques. However, the deep learning technique in the speech enhancement …

A new Genetic Algorithm based fusion scheme in monaural CASA system to improve the performance of the speech

S Shoba, R Rajavel - Journal of Ambient Intelligence and Humanized …, 2020 - Springer
This research work proposes a new Genetic Algorithm (GA) based fusion scheme to
effectively fuse the Time–Frequency (T–F) binary mask of voiced and unvoiced speech. The …

A deep neural network-correlation phase sensitive mask based estimation to improve speech intelligibility

S Sivapatham, A Kar, R Bodile, V Mladenovic… - Applied Acoustics, 2023 - Elsevier
General masking-based speech enhancement using a deep learning architecture (DNN)
approach focuses on the spectral values of the speech in order to show improvement in …

Comparativa entre la técnica de umbralización binaria y el método de Otsu para la detección de personas

C Niño, S Castro Casadiego… - Revista UIS …, 2021 - repositorio.ufps.edu.co
En procesos de detección por imágenes en las que existe variación de luminosidad entre
pixeles, se requieren técnicas que permitan obtener valores óptimos y adaptables de …

A DNN-based accurate masking using significant feature sets

S Sivapatham, P Goel, S Burra… - … Conference on ICT …, 2022 - ieeexplore.ieee.org
Monaural speech separation has remained a very challenging problem for a longtime which
can be addressed using a supervised learning approach that uses features of the noisy …

Mask estimation using phase information and inter-channel correlation for speech enhancement

D Sowjanya, S Sivapatham, A Kar… - Circuits, Systems, and …, 2022 - Springer
The most commonly used training target is masking-based approach which maps noisy
speech to the time–frequency (T–F) unit and has a remarkable impact on the performance in …

Hum Noise and Breathing Interference Removal from an ECG Signal with Finite Word Length Effects

B Ajith Bala, D Jeyakumari… - … Devices and Networking …, 2022 - Springer
When it comes to discrete-time systems, whether it is an FIR or an IIR filter, it is important to
understand the complexities of data representation, data operation, and so on. The system …