T. Nagarajan

59 papers A 7C 5Journal 37Unranked 10
YearRankTypeTitle / Venue / Authors
2026 J jnl
Leveraging synthetic speech: TTS-driven data augmentation for effective dysarthric speech recognition.
Comput. Speech Lang.
P. Vijayalakshmi, Anushiya Rachel Gladston, B. Ramani, M. P. Actlin Jeeva, K. Anantha Krishnan, T. Lavanya, T. Nagarajan
2025 J jnl
A feature engineering approach for literary and colloquial Tamil speech classification using 1D-CNN.
Speech Commun.
M. Nanmalar, S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2025 J jnl
Augmentative and alternative speech communication (AASC) aid for people with dysarthria.
Comput. Speech Lang.
T. A. Mariya Celin, P. Vijayalakshmi, T. Nagarajan, Mrinalini Kannan
2025 J jnl
Multi-Dialect Speech Corpus Creation for Enhancing Tamil Automatic Speech Recognition.
Circuits Syst. Signal Process.
B. Bharathi, S. Saranya, P. Vijayalakshmi, T. Nagarajan
2025 J jnl
SIToBI - A Speech Prosody Annotation Tool for Indian Languages.
CoRR
Preethi Thinakaran, Malarvizhi Muthuramalingam, Sooriya S, Anushiya Rachel Gladston, P. Vijayalakshmi, Hema A. Murthy, T. Nagarajan
2025 J jnl
Significance of chirp MFCC as a feature in speech and audio applications.
Comput. Speech Lang.
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
A Feature Engineering Approach for Literary and Colloquial Tamil Speech Classification using 1D-CNN.
CoRR
M. Nanmalar, S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 C conf
Analysis of Features for Dysarthria Severity Classification from Speech.
TENCON
P. H. Keerthi, P. Vijayalakshmi, Anushiya Rachel Gladston, T. Nagarajan
2024 J jnl
Development of Large Annotated Music Datasets using HMM-based Forced Viterbi Alignment.
CoRR
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
Higher order statistics-driven magnitude and phase spectrum estimation for speech enhancement.
Comput. Speech Lang.
T. Lavanya, P. Vijayalakshmi, K. Mrinalini, T. Nagarajan
2024 J jnl
Literary and Colloquial Dialect Identification for Tamil using Acoustic Features.
CoRR
M. Nanmalar, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
Literary and Colloquial Tamil Dialect Identification.
CoRR
M. Nanmalar, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
MaskCycleGAN-based Whisper to Normal Speech Conversion.
CoRR
K. Rohith Gupta, K. Ramnath, S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 C conf
Quartered Chirp Spectral Envelope for Whispered vs Normal Speech Classification.
TENCON
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
Quartered Chirp Spectral Envelope for Whispered vs Normal Speech Classification.
CoRR
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
Quartered Spectral Envelope and 1D-CNN-based Classification of Normally Phonated and Whispered Speech.
CoRR
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2024 J jnl
Significance of Chirp MFCC as a Feature in Speech and Audio Applications.
CoRR
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2023 J jnl
Chirp Group Delay-Based Onset Detection in Instruments with Fast Attack.
Circuits Syst. Signal Process.
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2023 J jnl
Data Augmentation Techniques for Transfer Learning-Based Continuous Dysarthric Speech Recognition.
Circuits Syst. Signal Process.
T. A. Mariya Celin, P. Vijayalakshmi, T. Nagarajan
2023 J jnl
PooRaa-Agri KG: An agricultural knowledge graph-based simplified multilingual query system.
Expert Syst. J. Knowl. Eng.
Nethraa Sivakumar, Pooja Srinivasan, Mrinalini Kannan, P. Vijayalakshmi, T. Nagarajan
2023 J jnl
Quartered Spectral Envelope and 1D-CNN-Based Classification of Normally Phonated and Whispered Speech.
Circuits Syst. Signal Process.
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2022 J jnl
Feature-weighted AdaBoost classifier for punctuation prediction in Tamil and Hindi NLP systems.
Expert Syst. J. Knowl. Eng.
K. Mrinalini, P. Vijayalakshmi, T. Nagarajan
2022 J jnl
Incorporation of Happiness in Neutral Speech by Modifying Time-Domain Parameters of Emotive-Keywords.
Circuits Syst. Signal Process.
Anushiya Rachel Gladston, S. Sreenidhi, P. Vijayalakshmi, T. Nagarajan
2022 J jnl
Literary and Colloquial Tamil Dialect Identification.
Circuits Syst. Signal Process.
M. Nanmalar, P. Vijayalakshmi, T. Nagarajan
2022 J jnl
SBSim: A Sentence-BERT Similarity-Based Evaluation Metric for Indian Language Neural Machine Translation Systems.
IEEE ACM Trans. Audio Speech Lang. Process.
K. Mrinalini, P. Vijayalakshmi, T. Nagarajan
2020 J jnl
Analysis of algorithms to estimate glottal closure instants from speech signals.
Int. J. Speech Technol.
Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan
2020 J jnl
Data Augmentation Using Virtual Microphone Array Synthesis and Multi-Resolution Feature Extraction for Isolated Word Dysarthric Speech Recognition.
IEEE J. Sel. Top. Signal Process.
T. A. Mariya Celin, T. Nagarajan, P. Vijayalakshmi
2020 J jnl
Multi-Level Single-Channel Speech Enhancement Using a Unified Framework for Estimating Magnitude and Phase Spectra.
IEEE ACM Trans. Audio Speech Lang. Process.
T. Lavanya, T. Nagarajan, P. Vijayalakshmi
2019 C conf
Development of Large Annotated Music Datasets using HMM based Forced Viterbi Alignment.
TENCON
S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan
2019 C conf
Histogram Matching based Optimized Energy Redistribution for Near End Listening Enhancement.
TENCON
T. Lavanya, K. Mrinalini, P. Vijayalakshmi, T. Nagarajan
2019 C conf
Literary and Colloquial Dialect Identification for Tamil using Acoustic Features.
TENCON
M. Nanmalar, P. Vijayalakshmi, T. Nagarajan
2019 J jnl
Pause-Based Phrase Extraction and Effective OOV Handling for Low-Resource Machine Translation Systems.
ACM Trans. Asian Low Resour. Lang. Inf. Process.
K. Mrinalini, T. Nagarajan, P. Vijayalakshmi
2018 J jnl
A Multilingual to Polyglot Speech Synthesizer for Indian Languages Using a Voice-Converted Polyglot Speech Corpus.
Circuits Syst. Signal Process.
P. Vijayalakshmi, B. Ramani, M. P. Actlin Jeeva, T. Nagarajan
2018 J jnl
Significance of Differenced EGG Signal as a Spectrum in Phase Difference Computation for the Estimation of Glottal Closure Instants.
Circuits Syst. Signal Process.
Rachel G. Anushiya, N. Sripriya, P. Vijayalakshmi, T. Nagarajan
2018 J jnl
Speech-Input Speech-Output Communication for Dysarthric Speakers Using HMM-Based Speech Recognition and Adaptive Synthesis System.
Circuits Syst. Signal Process.
M. Dhanalakshmi, T. A. Mariya Celin, T. Nagarajan, P. Vijayalakshmi
2017 J jnl
Estimation of glottal closure instants from degraded speech using a phase-difference-based algorithm.
Comput. Speech Lang.
Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan
2016 J jnl
A Multi-level GMM-Based Cross-Lingual Voice Conversion Using Language-Specific Mixture Weights for Polyglot Synthesis.
Circuits Syst. Signal Process.
B. Ramani, M. P. Actlin Jeeva, P. Vijayalakshmi, T. Nagarajan
2015 J jnl
A small-footprint context-independent HMM-based synthesizer for Tamil.
Int. J. Speech Technol.
Rachel G. Anushiya, V. Sherlin Solomi, K. Naveenkumar, P. Vijayalakshmi, T. Nagarajan
2015 A conf
Estimation of glottal closure instants from telephone speech using a group delay-based approach that considers speech signal as a spectrum.
INTERSPEECH
Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan
2015 — conf
The Blizzard Challenge 2015.
Blizzard Challenge
Kishore Prahallad, Anandaswarup Vadapalli, Sai Krishna Rallabandi, Santosh Kesiraju, Hema A. Murthy, T. Nagarajan, Bira Chandra Singh, T. Sajani, K. Sreenivasa Rao, Suryakanth V. Gangashetty, Simon King, Keiichi Tokuda, Alan W. Black
2014 — conf
An approach to building language-independent text-to-speech synthesis for Indian languages.
NCC
Anusha Prakash, M. Ramasubba Reddy, T. Nagarajan, Hema A. Murthy
2014 A conf
Cross-lingual voice conversion-based polyglot speech synthesizer for indian languages.
INTERSPEECH
B. Ramani, M. P. Actlin Jeeva, P. Vijayalakshmi, T. Nagarajan
2014 — conf
The Blizzard Challenge 2014.
Blizzard Challenge
Kishore Prahallad, Anandaswarup Vadapalli, Santosh Kesiraju, Hema A. Murthy, Swaran Lata, T. Nagarajan, S. R. Mahadeva Prasanna, Hemant A. Patil, Anil Kumar Sao, Simon King, Alan W. Black, Keiichi Tokuda
2013 — conf
A common attribute based unified HTS framework for speech synthesis in Indian languages.
SSW
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
2013 — conf
A syllable-based framework for unit selection synthesis in 13 Indian languages.
O-COCOSDA/CASLRE
Hemant A. Patil, Tanvina B. Patel, Nirmesh J. Shah, Hardik B. Sailor, Raghava Krishnan, G. R. Kasthuri, T. Nagarajan, S. Lilly Christina, Naresh Kumar, Veera Raghavendra, S. Prahallad Kishore, S. R. Mahadeva Prasanna, Nagaraj Adiga, Sanasam Ranbir Singh, Anand Konjengbam, Pranaw Kumar, Bira Chandra Singh, S. L. Binil Kumar, T. G. Bhadran, T. Sajini, Arup Saha, Tulika Basu, K. Sreenivasa Rao, N. P. Narendra, Anil Kumar Sao, Rakesh Kumar, Pranhari Talukdar, Purnendu Acharyaa, Somnath Chandra, Swaran Lata, Hema A. Murthy
2013 — conf
Analysis on acoustic similarities between Tamil and English phonemes using product of likelihood-Gaussians for an HMM-based mixed-language synthesizer.
O-COCOSDA/CASLRE
V. Sherlin Solomi, S. Lilly Christina, Rachel G. Anushiya, B. Ramani, P. Vijayalakshmi, T. Nagarajan
2013 — conf
Development and analysis of various phone-sized unit-based speech synthesizers.
O-COCOSDA/CASLRE
Rachel G. Anushiya, S. Lilly Christina, V. Sherlin Solomi, B. Ramani, P. Vijayalakshmi, T. Nagarajan
2013 — conf
Estimation of instants of significant excitation using accumulated energy function of DCT.
O-COCOSDA/CASLRE
N. Sripriya, T. Nagarajan
2013 J jnl
Improving the performance of speaker and language identification tasks using unique characteristics of a class.
Int. J. Speech Technol.
B. Bharathi, C. Arun Kumar, T. Nagarajan
2007 — conf
Bias Estimation and Correction in a Classifier using Product of Likelihood-Gaussians.
ICASSP (3)
T. Nagarajan, Douglas D. O'Shaughnessy
2006 A conf
Combining multiple-sized sub-word units in a speech recognition system using baseform selection.
INTERSPEECH
T. Nagarajan, P. Vijayalakshmi, Douglas D. O'Shaughnessy
2006 A conf
Discriminative MLE training using a product of Gaussian likelihoods.
INTERSPEECH
T. Nagarajan, Douglas D. O'Shaughnessy
2006 J jnl
Language identification using acoustic log-likelihoods of syllable-like units.
Speech Commun.
T. Nagarajan, Hema A. Murthy
2005 A conf
Explicit segmentation of speech based on frequency-domain AR modeling.
INTERSPEECH
T. Nagarajan, Douglas D. O'Shaughnessy
2004 — conf
Automatic segmentation and labeling of continuous speech without bootstrapping.
EUSIPCO
T. Nagarajan, Hema A. Murthy, Hemalatha Hemalatha
2004 J jnl
Automatic segmentation of continuous speech using minimum phase group delay functions.
Speech Commun.
V. Kamakshi Prasad, T. Nagarajan, Hema A. Murthy
2004 J jnl
Subband-Based Group Delay Segmentation of Spontaneous Speech into Syllable-Like Units.
EURASIP J. Adv. Signal Process.
T. Nagarajan, Hema A. Murthy
2003 A conf
Segmentation of speech into syllable-like units.
INTERSPEECH
T. Nagarajan, Hema A. Murthy, Rajesh M. Hegde
2000 A conf
Language identification from short segments of speech.
INTERSPEECH
Jyotsana Balleda, Hema A. Murthy, T. Nagarajan