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 …

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 …

Performance analysis of low complexity fully connected neural networks for monaural speech enhancement

H Reddy, A Kar, J Østergaard - Applied Acoustics, 2022 - Elsevier
We compare the run-time complexity of recent deep neural network (DNN) and non-DNN
based monaural speech enhancement algorithms. Specifically, we consider fully connected …

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 …

Improving speech intelligibility in monaural segregation system by fusing voiced and unvoiced speech segments

S Shoba, R Rajavel - Circuits, Systems, and Signal Processing, 2019 - Springer
Improving the speech intelligibility remains a challenging problem in digital hearing aids.
This research work proposes a new speech segregation algorithm to improve the speech …

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 …

Weight Fusion Scheme for single channel based CASA system

S Shoba, R Rajavel - 2019 1st International Conference on …, 2019 - ieeexplore.ieee.org
Fusion plays an important role to retrieve the single output data from the input data set and
in turn improves the quality of the results. Single channel based separation of speech …

Voice Activity Detection for Monaural Speech Enhancement Using Visual Cues

S Balasubramanian, R Rajavel, S Shoba - Futuristic Communication and …, 2022 - Springer
Voice activity detection (VAD) is a vital module in various applications like speech
recognition, speech enhancement, and dominant speaker identification. The performance of …

Improving Speech Intelligibility using Deep Learning

S Shoba, R Rajavel - 2019 4th International Conference on …, 2019 - ieeexplore.ieee.org
Speech Intelligibility is of prime importance in places of mass gathering such as railway
stations and airports as it is imperative for the speech to be understandable for the benefit …

Speech enhancement using phoneme level classification

S Shoba, S Sivakumar, R Rajavel - 2019 4th International …, 2019 - ieeexplore.ieee.org
Speech enhancement is one of the speech processing techniques which is perturbed mostly
with increasing some perceptual part of speech like quality and intelligibility that has been …