P. Vijayalakshmi

Publication Activity (10 Years)

Years Active: 2004-2025
Publications (10 Years): 25

Top Topics

Machine Translation

Parallel Corpora

Acoustic Features

Speech Recognition

Top Venues

Circuits Syst. Signal Process.

Comput. Speech Lang.

Expert Syst. J. Knowl. Eng.

Publications

S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
Significance of chirp MFCC as a feature in speech and audio applications. Comput. Speech Lang. 89 (2025)
T. Lavanya, P. Vijayalakshmi, K. Mrinalini, T. Nagarajan
Higher order statistics-driven magnitude and phase spectrum estimation for speech enhancement. Comput. Speech Lang. 87 (2024)
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
Significance of Chirp MFCC as a Feature in Speech and Audio Applications. CoRR (2024)
Nethraa Sivakumar, Pooja Srinivasan, Mrinalini Kannan, P. Vijayalakshmi, T. Nagarajan
PooRaa-Agri KG: An agricultural knowledge graph-based simplified multilingual query system. Expert Syst. J. Knowl. Eng. 40 (10) (2023)
T. A. Mariya Celin, P. Vijayalakshmi, T. Nagarajan
Data Augmentation Techniques for Transfer Learning-Based Continuous Dysarthric Speech Recognition. Circuits Syst. Signal Process. 42 (1) (2023)
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
Quartered Spectral Envelope and 1D-CNN-Based Classification of Normally Phonated and Whispered Speech. Circuits Syst. Signal Process. 42 (5) (2023)
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
Chirp Group Delay-Based Onset Detection in Instruments with Fast Attack. Circuits Syst. Signal Process. 42 (3) (2023)
Anushiya Rachel Gladston, S. Sreenidhi, P. Vijayalakshmi, T. Nagarajan
Incorporation of Happiness in Neutral Speech by Modifying Time-Domain Parameters of Emotive-Keywords. Circuits Syst. Signal Process. 41 (4) (2022)
K. Mrinalini, P. Vijayalakshmi, T. Nagarajan
Feature-weighted AdaBoost classifier for punctuation prediction in Tamil and Hindi NLP systems. Expert Syst. J. Knowl. Eng. 39 (4) (2022)
K. Mrinalini, P. Vijayalakshmi, T. Nagarajan
SBSim: A Sentence-BERT Similarity-Based Evaluation Metric for Indian Language Neural Machine Translation Systems. IEEE ACM Trans. Audio Speech Lang. Process. 30 (2022)
M. Nanmalar, P. Vijayalakshmi, T. Nagarajan
Literary and Colloquial Tamil Dialect Identification. Circuits Syst. Signal Process. 41 (7) (2022)
Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan
Analysis of algorithms to estimate glottal closure instants from speech signals. Int. J. Speech Technol. 23 (4) (2020)
T. Lavanya, T. Nagarajan, P. Vijayalakshmi
Multi-Level Single-Channel Speech Enhancement Using a Unified Framework for Estimating Magnitude and Phase Spectra. IEEE ACM Trans. Audio Speech Lang. Process. 28 (2020)
T. A. Mariya Celin, T. Nagarajan, P. Vijayalakshmi
Data Augmentation Using Virtual Microphone Array Synthesis and Multi-Resolution Feature Extraction for Isolated Word Dysarthric Speech Recognition. IEEE J. Sel. Top. Signal Process. 14 (2) (2020)
K. Mrinalini, T. Nagarajan, P. Vijayalakshmi
Pause-Based Phrase Extraction and Effective OOV Handling for Low-Resource Machine Translation Systems. ACM Trans. Asian Low Resour. Lang. Inf. Process. 18 (2) (2019)
M. Nanmalar, P. Vijayalakshmi, T. Nagarajan
Literary and Colloquial Dialect Identification for Tamil using Acoustic Features. TENCON (2019)
T. Lavanya, K. Mrinalini, P. Vijayalakshmi, T. Nagarajan
Histogram Matching based Optimized Energy Redistribution for Near End Listening Enhancement. TENCON (2019)
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
Development of Large Annotated Music Datasets using HMM based Forced Viterbi Alignment. TENCON (2019)
Rachel G. Anushiya, N. Sripriya, P. Vijayalakshmi, T. Nagarajan
Significance of Differenced EGG Signal as a Spectrum in Phase Difference Computation for the Estimation of Glottal Closure Instants. Circuits Syst. Signal Process. 37 (5) (2018)
M. Dhanalakshmi, T. A. Mariya Celin, T. Nagarajan, P. Vijayalakshmi
Speech-Input Speech-Output Communication for Dysarthric Speakers Using HMM-Based Speech Recognition and Adaptive Synthesis System. Circuits Syst. Signal Process. 37 (2) (2018)
P. Vijayalakshmi, B. Ramani, M. P. Actlin Jeeva, T. Nagarajan
A Multilingual to Polyglot Speech Synthesizer for Indian Languages Using a Voice-Converted Polyglot Speech Corpus. Circuits Syst. Signal Process. 37 (5) (2018)
Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan
Estimation of glottal closure instants from degraded speech using a phase-difference-based algorithm. Comput. Speech Lang. 46 (2017)
B. Ramani, M. P. Actlin Jeeva, P. Vijayalakshmi, T. Nagarajan
A Multi-level GMM-Based Cross-Lingual Voice Conversion Using Language-Specific Mixture Weights for Polyglot Synthesis. Circuits Syst. Signal Process. 35 (4) (2016)
Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan
Estimation of glottal closure instants from telephone speech using a group delay-based approach that considers speech signal as a spectrum. INTERSPEECH (2015)
Rachel G. Anushiya, V. Sherlin Solomi, K. Naveenkumar, P. Vijayalakshmi, T. Nagarajan
A small-footprint context-independent HMM-based synthesizer for Tamil. Int. J. Speech Technol. 18 (3) (2015)
B. Ramani, M. P. Actlin Jeeva, P. Vijayalakshmi, T. Nagarajan
Cross-lingual voice conversion-based polyglot speech synthesizer for indian languages. INTERSPEECH (2014)
V. Sherlin Solomi, S. Lilly Christina, Rachel G. Anushiya, B. Ramani, P. Vijayalakshmi, T. Nagarajan
Analysis on acoustic similarities between Tamil and English phonemes using product of likelihood-Gaussians for an HMM-based mixed-language synthesizer. O-COCOSDA/CASLRE (2013)
Rachel G. Anushiya, S. Lilly Christina, V. Sherlin Solomi, B. Ramani, P. Vijayalakshmi, T. Nagarajan
Development and analysis of various phone-sized unit-based speech synthesizers. O-COCOSDA/CASLRE (2013)
B. Ramani, S. Lilly Christina, Rachel G. Anushiya, V. Sherlin Solomi, Mahesh Kumar Nandwana, Anusha Prakash, S. Aswin Shanmugam, Raghava Krishnan, S. Kishore Prahalad, K. Samudravijaya, P. Vijayalakshmi, T. Nagarajan, Hema A. Murthy
A common attribute based unified HTS framework for speech synthesis in Indian languages. SSW (2013)
P. Vijayalakshmi, M. Ramasubba Reddy, Douglas D. O'Shaughnessy
Acoustic Analysis and Detection of Hypernasality Using a Group Delay Function. IEEE Trans. Biomed. Eng. 54 (4) (2007)
P. Vijayalakshmi, M. Ramasubba Reddy
Assessment of dysarthric speech and an analysis on velopharyngeal incompetence. EMBC (2006)
P. Vijayalakshmi, M. Ramasubba Reddy, Douglas D. O'Shaughnessy
Assessment of articulatory sub-systems of dysarthric speech using an isolated-style phoneme recognition system. INTERSPEECH (2006)
T. Nagarajan, P. Vijayalakshmi, Douglas D. O'Shaughnessy
Combining multiple-sized sub-word units in a speech recognition system using baseform selection. INTERSPEECH (2006)
P. Vijayalakshmi, M. Ramasubba Reddy
The analysis on band-limited hypernasal speech using group delay based formant extraction technique. INTERSPEECH (2005)
P. Vijayalakshmi, M. Ramasubba Reddy
Detection of hypernasality using statistical pattern classifiers. INTERSPEECH (2005)
P. Vijayalakshmi, M. Ramasubba Reddy
Analysis of hypernasality by synthesis. INTERSPEECH (2004)