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ORCIDT. Nagarajan 0001
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- affiliation: Shiv Nadar University, Department of Computer Science and Engineering, Chennai, Tamil Nadu, India
Other persons with the same name
- T. Nagarajan — disambiguation page
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Journal Articles
- 2025
[j27]S. Johanan Joysingh
, P. Vijayalakshmi, T. Nagarajan:
Significance of chirp MFCC as a feature in speech and audio applications. Comput. Speech Lang. 89: 101713 (2025)- 2024
- [j26]T. Lavanya, P. Vijayalakshmi, K. Mrinalini, T. Nagarajan:
Higher order statistics-driven magnitude and phase spectrum estimation for speech enhancement. Comput. Speech Lang. 87: 101639 (2024) - 2023
- [j25]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): 601-622 (2023) - [j24]S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
Chirp Group Delay-Based Onset Detection in Instruments with Fast Attack. Circuits Syst. Signal Process. 42(3): 1639-1662 (2023) - [j23]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): 3038-3053 (2023) - [j22]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) - 2022
- [j21]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): 2061-2087 (2022) - [j20]M. Nanmalar, P. Vijayalakshmi, T. Nagarajan:
Literary and Colloquial Tamil Dialect Identification. Circuits Syst. Signal Process. 41(7): 4004-4027 (2022) - [j19]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) - [j18]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: 1396-1406 (2022) - 2020
- [j17]Muthu Philominal Actlin Jeeva, Nagarajan Thangavelu, Vijayalakshmi Parthasarathy:
Adaptive multi-band filter structure-based far-end speech enhancement. IET Signal Process. 14(5): 288-299 (2020) - [j16]Rachel G. Anushiya, P. Vijayalakshmi, T. Nagarajan:
Analysis of algorithms to estimate glottal closure instants from speech signals. Int. J. Speech Technol. 23(4): 825-849 (2020) - [j15]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): 346-354 (2020) - [j14]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: 1315-1327 (2020) - 2019
- [j13]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): 12:1-12:22 (2019) - 2018
- [j12]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): 674-703 (2018) - [j11]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): 2074-2097 (2018) - [j10]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): 2142-2163 (2018) - 2017
- [j9]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: 136-153 (2017) - [j8]Sherlin Solomi VijayaRajSolomon, Vijayalakshmi Parthasarathy, Nagarajan Thangavelu:
Exploiting acoustic similarities between Tamil and Indian English in the development of an HMM-based bilingual synthesiser. IET Signal Process. 11(3): 332-340 (2017) - 2016
- [j7]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): 1283-1311 (2016) - [j6]Muthu Philominal Actlin Jeeva, Nagarajan Thangavelu, Vijayalakshmi Parthasarathy:
Discrete cosine transform-derived spectrum-based speech enhancement algorithm using temporal-domain multiband filtering. IET Signal Process. 10(8): 965-980 (2016) - 2015
- [j5]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): 405-418 (2015) - 2013
- [j4]B. Bharathi, C. Arun Kumar, T. Nagarajan:
Improving the performance of speaker and language identification tasks using unique characteristics of a class. Int. J. Speech Technol. 16(1): 115-124 (2013) - 2006
- [j3]T. Nagarajan, Hema A. Murthy:
Language identification using acoustic log-likelihoods of syllable-like units. Speech Commun. 48(8): 913-926 (2006) - 2004
- [j2]T. Nagarajan, Hema A. Murthy:
Subband-Based Group Delay Segmentation of Spontaneous Speech into Syllable-Like Units. EURASIP J. Adv. Signal Process. 2004(17): 2614-2625 (2004) - [j1]V. Kamakshi Prasad, T. Nagarajan, Hema A. Murthy:
Automatic segmentation of continuous speech using minimum phase group delay functions. Speech Commun. 42(3-4): 429-446 (2004)
Conference and Workshop Papers
- 2019
- [c22]S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
Development of Large Annotated Music Datasets using HMM based Forced Viterbi Alignment. TENCON 2019: 1298-1302 - [c21]M. Nanmalar, P. Vijayalakshmi, T. Nagarajan:
Literary and Colloquial Dialect Identification for Tamil using Acoustic Features. TENCON 2019: 1303-1306 - [c20]T. Lavanya, K. Mrinalini, P. Vijayalakshmi, T. Nagarajan:
Histogram Matching based Optimized Energy Redistribution for Near End Listening Enhancement. TENCON 2019: 1307-1312 - 2015
- [c19]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:
The Blizzard Challenge 2015. Blizzard Challenge 2015 - [c18]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: 1181-1185 - 2014
- [c17]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:
The Blizzard Challenge 2014. Blizzard Challenge 2014 - [c16]B. Ramani, M. P. Actlin Jeeva, P. Vijayalakshmi, T. Nagarajan:
Cross-lingual voice conversion-based polyglot speech synthesizer for indian languages. INTERSPEECH 2014: 775-779 - [c15]Anusha Prakash, M. Ramasubba Reddy, T. Nagarajan, Hema A. Murthy:
An approach to building language-independent text-to-speech synthesis for Indian languages. NCC 2014: 1-5 - 2013
- [c14]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:
A syllable-based framework for unit selection synthesis in 13 Indian languages. O-COCOSDA/CASLRE 2013: 1-8 - [c13]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: 1-5 - [c12]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: 1-5 - [c11]N. Sripriya, T. Nagarajan:
Estimation of instants of significant excitation using accumulated energy function of DCT. O-COCOSDA/CASLRE 2013: 1-6 - [c10]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: 291-296 - 2007
- [c9]T. Nagarajan, Douglas D. O'Shaughnessy:
Bias Estimation and Correction in a Classifier using Product of Likelihood-Gaussians. ICASSP (3) 2007: 1061-1064 - 2006
- [c8]T. Nagarajan, Douglas D. O'Shaughnessy:
Discriminative MLE training using a product of Gaussian likelihoods. INTERSPEECH 2006 - [c7]T. Nagarajan, P. Vijayalakshmi, Douglas D. O'Shaughnessy:
Combining multiple-sized sub-word units in a speech recognition system using baseform selection. INTERSPEECH 2006 - 2005
- [c6]T. Nagarajan, Douglas D. O'Shaughnessy:
Explicit segmentation of speech based on frequency-domain AR modeling. INTERSPEECH 2005: 653-656 - 2004
- [c5]T. Nagarajan, Hema A. Murthy, Hemalatha Hemalatha:
Automatic segmentation and labeling of continuous speech without bootstrapping. EUSIPCO 2004: 561-564 - [c4]Nagarajan Thangavelu, Hema A. Murthy:
Language identification using parallel syllable-like unit recognition. ICASSP (1) 2004: 401-404 - [c3]L. Sarada Ghadiyaram, Hemalatha Nagarajan, Nagarajan Thangavelu, Hema A. Murthy:
Automatic transcription of continuous speech using unsupervised and incremental training. INTERSPEECH 2004: 405-408 - 2003
- [c2]T. Nagarajan, Hema A. Murthy, Rajesh M. Hegde:
Segmentation of speech into syllable-like units. INTERSPEECH 2003: 2893-2896 - 2000
- [c1]Jyotsana Balleda, Hema A. Murthy, T. Nagarajan:
Language identification from short segments of speech. INTERSPEECH 2000: 1033-1036
Informal and Other Publications
- 2024
- [i8]S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
Significance of Chirp MFCC as a Feature in Speech and Audio Applications. CoRR abs/2402.12239 (2024) - [i7]M. Nanmalar, P. Vijayalakshmi, T. Nagarajan:
Literary and Colloquial Tamil Dialect Identification. CoRR abs/2408.13739 (2024) - [i6]S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
Quartered Spectral Envelope and 1D-CNN-based Classification of Normally Phonated and Whispered Speech. CoRR abs/2408.13746 (2024) - [i5]S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
Quartered Chirp Spectral Envelope for Whispered vs Normal Speech Classification. CoRR abs/2408.14777 (2024) - [i4]K. Rohith Gupta, K. Ramnath, S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
MaskCycleGAN-based Whisper to Normal Speech Conversion. CoRR abs/2408.14797 (2024) - [i3]M. Nanmalar, P. Vijayalakshmi, T. Nagarajan:
Literary and Colloquial Dialect Identification for Tamil using Acoustic Features. CoRR abs/2408.14887 (2024) - [i2]S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
Development of Large Annotated Music Datasets using HMM-based Forced Viterbi Alignment. CoRR abs/2408.14890 (2024) - [i1]M. Nanmalar, S. Johanan Joysingh, P. Vijayalakshmi, T. Nagarajan:
A Feature Engineering Approach for Literary and Colloquial Tamil Speech Classification using 1D-CNN. CoRR abs/2409.14348 (2024)
Coauthor Index
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