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 …

Image processing techniques for segments grouping in monaural speech separation

S Shoba, R Rajavel - Circuits, Systems, and Signal Processing, 2018 - Springer
Monaural speech separation is the process of separating the target speech from the noisy
speech mixture recorded using single microphone. It is a challenging problem in speech …

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 …

Review of ideal binary and ratio mask estimation techniques for monaural speech separation

TM Minipriya, R Rajavel - 2018 Fourth International Conference …, 2018 - ieeexplore.ieee.org
Monaural speech separation is the process of separating the target speech from a noisy
speech mixture recorded using single microphone. It can be used in wide range of …

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 …

Performance improvement of monaural speech separation system using image analysis techniques

S Sivapatham, R Ramadoss - IET Signal Processing, 2018 - Wiley Online Library
This research work proposes an image analysis‐based algorithm to enhance the time–
frequency (T–F) mask obtained in the initial segmentation of CASA‐based monaural speech …

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 …