Hema A Murthy
Research Areas: Speech Processing, Speech Synthesis,
Music information retrieval, Music Processing, Computational brain research, any area that involves machine learning and signal processing
- Ph.D., Computer Science and Engineering, IIT Madras, 1992
- M.Eng, Electrical and Computer Engineering, McMaster University,Canada, 1986
- B.E., Electronics and Communcation Engineering, Osmania University, 1980
Courses (Teaching Currently/next Semester):
- Speech and Music Technology Lab
PRML general instruction
PRML course schedule (HAM)
Courses (that I have Taught Before):
Research Scholars (current):
- Linear Algebra and Random Processes
- Pattern Recogntion
- Speech Technology
- Principles of Communication
- Advanced Data Structures and Algorithms
- Data Structures and Algorithms
- Computer Networks
- Computer Graphics
- Signals and Systems
- Fundamentals of Computing
- Numerical Computing
- Programming and Data Structures
- Information Theory and Coding
- Introduction to Computing
- Algorithms for Digital Signal Processing
- Network Management Systems
- Digital Image and Speech Processing
- Object Oriented Systems Lab
- Advanced Programming Lab
- Higher Level Language Lab
Research Scholars (completed):
Jeena J Prakash, "Transcription correction and rhythm analysis for
applications in text to speech synthesis for
Indian languages," (submitted), PhD Thesis, 2019.
M S Saranya, "Feature Switching a new paradigm for speaker recognition and spoof detection," (submitted), PhD Thesis, 2019.
Jilt Sebastian, ''Novel Methods for Time-Event Detection and Source
Separation,'' Ph.D Thesis, 2019.
P V Krishnaraj Sekhar, ``Technology assisted archival and learning of varnams in Carnatic music,'' MS Thesis, 2019.
Arun Baby, ``A unified approach to speech synthesis in Indian languages,'' MS Thesis, 2019.
Golda Brunet Rajan, ``Transcription correction using signal processing and its
application to continuous speech recognition,'' PhD Thesis 2018.
Sridharan Sankaran, ``Segmentation of Music Items: A Computational Perspective,'' M S Thesis, IIT Madras, 2017.
Rajeev Rajan, ``Estimation of Pitch in Speech and Music Signals Using Modified Group Delay
Functions,'' PhD Thesis, IIT Madras, 2017.
Saad Y Sait, ``Organizational level control of abusive traffic,'' (co-Guide: S Krishna Sivalingam), PhD Thesis, IIT Madras, 2017.
Anusha Prakash, ``Cross-lingual Speech Synthesis and Enhancement of
Dysarthric Speech,'' (co-Guide, Prof. Ramasubba Reddy, Applied Mechanics), M S Thesis, 2017.
Shreya Khare, ``Multimedia Content Analysis And Its Application For Sound
Source Localisation,'' M S Thesis, 2017.
Asha T, ``Relevance of front-end processing in Speaker Recognition,'' MS Thesis, IIT Madras, 2016.
Shrey Dutta, ``Analysis of Motifs in Carnatic Music: A
Computational Perspective,'' M S Thesis, IIT Madras, 2016.
Akshay Bhandari, ``Feature extraction for anomaly detection,'' M S Thesis, IIT Madras, 2016.
Aswin S Shanmugam, ``A HYBRID APPROACH TO SEGMENTATION OF SPEECH USING
SIGNAL PROCESSING CUES AND HIDDEN MARKOV MODELS,'' M S Thesis, IIT Madras, 2016.
Raghava Krishnan, ``PROSODIC ANALYSIS OF INDIAN LANGUAGES AND ITS APPLICA-
TIONS TO SPEECH SYNTHESIS,'' M S Thesis, IIT Madras, 2016 (co-guide: Prof. S. Umesh, Dept. of
EE, IIT Madras)
Padi Sarala, ``Applause identification and its application to archival of Carnatic Music,'' PhD Thesis, April 2015.
M R Srikanth, ``Speaker verification and keyword spotting for forensic applications,'' PhD Thesis, Dec 2013.
Ashwin Bellur, ``Automatic identification of tonic in Indian classical music,''(co-guide: R Aravind, EE Dept) MS Thesis, January 2014.
Chaitanya Kumar, ``Information theoretic measures to incorporate multiple feature streams in the linguistic search space for automatic speech recognition,'' MS Thesis, 2013 (Co-guide: Prof. C Chandra Sekhar).
Subhadeep Dey, ``Universal syllable models for language identification,'' MS Thesis, IIT Madras, 2013.
Santosh Kumar Chaudhari, ``Green IT: Energy efficient techniques for network management for core networks and data centers,'' MS Thesis, IIT Madras, 2013.
Cyriac James, ``Relevance of time series in network traffic modeling: In the context of TCP SYN DOS attacks,'' M S Thesis, IIT Madras, 2012.
R Padmanabhan, ``Studies on voice activity detection and feature diversity for Speaker Recognition,'' Ph.D Thesis, IIT Madras, 2012.
Rajesh Janakiraman, ``Syllable Segmentation and its Application to Syllable-centric Continuous Speech Recognition,'' M.S Thesis, IIT Madras, 2012 (Co-guide: Prof. C Chandra Sekhar).
S Ranbir Singh ``On the significance of crawling, clustering and real-time
implicit feedback in web search engines,'' (Co-guide: T A Gonsalves) Phd Thesis, 2010.
Nikhil Ranjan ``GARCH Models for TCP Based Denial of Service,'' (co-guide: T A Gonsalves) M S Thesis, 2010.
P R Ramya, ``Incorporating acoustic feature diversity in linguistic search space for speech recognition,'' (Co-guide C S Ramalingam, EE Dept) MS Thesis, 2009.
Sadhana Chevireddy, ``A syllable-based segment vocoder,'' (Co-guide: Dr. C Chandra Sekhar, Dept. of CS&E), MS Thesis, 2009.
Y R Venugopalakrishna, ``Methods for improving the quality of syllable-based speech synthesis for Indian languages,'' (Co-guide: Prof. C S Ramalingam, Dept. of EE) MS Thesis, IIT Madras, 2009
P G Deivapalan, ``A Segmented Syllable-based, Isolated Word Recognizer for
Indian Languages,'' M S Thesis, 2009.
Pranav Hamnabhadkar, ``Pattern Recognition and Synthesis of Materials Microstructures,'' (Co-guide: Dr. K Balasubramanian, Director, NFTDC, Hyderabad) MS Thesis, 2009.
Sreenivasulu Nagireddy, ``A Pattern Recognition Approach to Block Cipher
Identification,''(Co-guide: Dr. C Chandra Sekhar, Dept. of CS&E), MS Thesis, 2009.
M Kasirajan, ``Patram: A unified word processing system for handwritten character recognition in Indian languages,'' (Co-guide: Dr. Srinivasa Chakravarthy, Dept of BT), MS Thesis, IIT Madras, 2008.
P Sreehari Krishnan, ``Voice activity detection using group delay functions,'' M S Thesis, IIT, Madras, 2007.
A Lakshmi, ``A Syllable-based approach to continuous speech recognition inIndian languages,'' (Co-guide, Prof. C S Ramalingam, Dept. of EE) M S Thesis, IIT, Madras, 2007.
Samuel Thomas, ``Natural sounding Text-to-speech synthesis based on
syllable-like units,'' (Co-guide: Prof. C Chandra Sekhar, Dept. of CS&E) M S Thesis, IIT, Madras, 2007.
Dinil Mon Divakaran, ``Traffic Modeling and Analysis,'' (Co-guide: Prof. TA Gonsalves, Dept. of CS&E) M S Thesis, IIT, Madras, 2007.
P Manohar, ``The Multimodal Interaction for the Computer: An Application
independent Approach,'' M.S Thesis, IIT Madras, 2006.
Vinod J, ``Low cost Data Communication network for Rural Telecom Management,'' (Co-Guide: Prof. T.A. Gonsalves, Dept. CS&E, IIT Madras) M S Thesis, IIT Madras, 2006.
G L Sarada, ``Automatic Transcription of Continuous Speech into Syllable-like Units,'' M.S Thesis, IIT Madras, 2006.
Rajesh Hegde, ``The Modified Group Delay feature and its application to Speech Recognition,'' Ph.d Thesis,IIT Madras, 2005.
R Deepak, ``Distributed Intrusion Detection System,''(Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras), M S Thesis, IIT Madras, 2005.
Veena Desai, ``Distributed Speech Recognition,'' (Co-guide: Prof.T A Gonsalves, Dept. of CS&E, IIT Madras), M.S Thesis, IIT Madras, 2005.
T. Nagarajan, ``Implicit Spoken Language Identification Systems,'' Ph.d Thesis, IIT Madras, 2004.
G.Sirisha, ``A DSP Virtual Machine,'' M S Thesis, IIT Madras, 2004(Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras)
N Sridhar Krishna, ``Multilingual Text-to Speech Synthesis,'' M S Thesis IIT Madras, 2004 (Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras)
M Balamurugan, ``An Access Network Planner,'' M S Thesis, IIT Madras, 2004 (Co-Guide: Prof. T.A.Gonsalves, Dept. CS&E, IIT Madras)
M. A. Saifulla, ``A Pattern Matching Approach to Classifying Network Traffic,'' M.S Thesis, IIT Madras, 2003, (Co-Guide: Prof. T.A.Gonsalves, Dept. of
V Kamakshi Prasad, ``Segmentation and Recognition of Continuous Speech,'' Ph.D Thesis, IIT Madras, 2002.
A Ramasamy, ``LP Based Traffic Modelling and a Framework for Control,'' M.S.Thesis, IIT Madras, 2002 (Co-Guide: Prof.T.A.Gonsalves, Dept. of CS&E).
B Jyotsana, ``A Spoken Language Identification System for Indian Languages,'' M.S. Thesis, IIT Madras, 2001.
S Vela, ``A New Model of Speaker Identification based on Statistical Similarity and an Object Oriented Framework for Online Speaker Identification,'' M.S.Thesis, IIT Madras, 1999.
J Srichand, ``Word Boundary Detection in Indian Languages and its Application to Keyword Spotting,'' M.S.Thesis, IIT Madras, 1999 (Co-guide:Dr.G.V.Ramana Rao).
M Narendranath, ``Transformation of Vocal Tract Characteristics for Voice Conversion using Artificial Neural Networks,'' M.S. Thesis, IIT Madras, 1995 (Co-Guide: Prof.B.Yegnanarayana, Dept. of CS&E).
- Karthik Pandia (PhD)
- Jom Kuriacose (PhD)
- Mari Ganesh Kumar (PhD)
- Venkatasubramanian Viraraghavan (PhD -- external co-guide: R Aravind -- EE Dept)
- Rini Evangelina Anand (PhD, co-guide: Umesh S -- EE Dept)
- Anusha Prakash (PhD, co-guide: Umesh S -- EE Dept)
- T Anand (PhD)
- Guruprasad (PhD) (co-guide: R Aravind) -- EE Dept.
- Srihari M (MS)
- Siddharth Agarwal (MS)
- Anju Leela Thomas (MS - Project)
- Sudhanshu Srivastava (MS - Project)
Department of Computer Science and Engineering
Indian Institute of Technology Madras
Chennai - 600 036
Ph: +91-44-2257 4364
Fax: +91-44-2257 4352
E-mail: hema AT cse DOT iitm DOT ac DOT in
Research Interests: Speech processing, recognition synthesis, computer networks, music processing.
Social Interests: School education , Science popularisation , Communal harmony, global warming, women empowerment
Membership: IEEE Society, Indian scientists against nuclear weapons, Movement for Peace and Unity, Tamilnadu science forum, Prakriti (a group at IITM that is concerned about the environment).
Jeena J Prakash and Hema A Murthy, ``Analysis of Inter-Pausal Units in Indian Languages and its Application to Text-to-Speech Synthesis,'' accepted for publication in IEEE Trans. on Acoustics Speech and Language Processing,2019.
Jeena J Prakash, Golda Brunet and Hema A Murthy, ``Importance of signal processing cues in transcription correction for low resource Indian languages,'' accepted for publication in ACM Trans. on Asian and low Resource Language Information Processing,2019.
J. Sebastian, M. G. Kumar, V. S. Viraraghavan, M. Sur and H. A. Murthy, ``Spike Estimation From Fluorescence Signals Using High-Resolution Property of Group Delay,'' in IEEE Transactions on Signal Processing, vol. 67, no. 11, pp. 2923-2936, 1 June 1, 2019. doi: 10.1109/TSP.2019.2908913
Mari Ganesh Kumar, Saranya M S, Shrikanth Narayanan, Mriganka Sur, Hema Murthy, ``Subspace techniques for task independent EEG person identification,'' accepted for presentation IEEE EMBC, Germany,July 23-27, 2019.
Rini A Sharon, Sidharth Aggarwal, purvi goel, raviraj joshi, Mriganka Sur, Hema Murthy, Sriram Ganapathy, ``Level-wise Subject adaptation to improve classification of motor and mental EEG tasks,'' accepted for presentation IEEE EMBC, Germany,July 23-27, 2019.
Srihari Maruthachalam, Mari Ganesh Kumar, Hema Murthy,''Time Warping Solutions for Classifying Artifacts in EEG,'' accepted for presentation IEEE EMBC, Germany,July 23-27, 2019.
R. A. Sharon, S. Narayanan, M. Sur and H. A. Murthy, ``An Empirical Study of Speech Processing in the Brain by Analyzing the Temporal Syllable Structure in Speech-input Induced EEG,'' ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 2019, pp. 4090-4094.
N. Dawalatabad, S. Madikeri, C. C. Sekhar and H. A. Murthy, ``Incremental Transfer Learning in Two-pass Information Bottleneck Based Speaker Diarization System for Meetings,'' ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Brighton, United Kingdom, 2019, pp. 6291-6295.
Raviraj Joshi, Purvi Goel, Mriganka Sur and Hema Murthy, ``Single Trial P300 Classification Using Convolutional LSTM and Deep Learning Ensembles Method,'' IHCI, Allahabad, Springer Link, pp. 3-15, Dec 2018.
Purvi Goel, Raviraj Joshi, Mriganka Sur, and Hema A. Murthy, ``A Common Spatial Pattern approach for classification of mental counting and motor execution EEG,'' IHCI, Allahabad, Springer Link, pp.26-35, Dec 2018.
Venkatasubramanian Viraraghavan, Hema A Murthy and R Aravind, ``Precision of sung notes in Carnatic music,'' ISMIR, Paris, France, 2018.
Fellow of INAE, 2017.
ISCA board member 2017-2021.
Indian Language text-to-speech synthesis systems integrated with screen readers, GE innovation award and first prize in research expo, Shaastraa 2013.
Prof. Rais Ahmed Memorial Lecture Award, Acoustical Society of India, 2012.
Text to speech synthesis in Indian Languages, Manthan Award Finalist (top 74 out ~450 projects), 2012.
IBM Faculty award, 2006.
Text to speech synthesis: Resources available
Text to speech synthesis: Online HTS systems
Text to speech synthesis: Online USS systems
Discovery of Carnatic Music -- CompMusic Project.
CompMusic -- IIT Madras Demos
Personal Photo Gallery
Detailed Curriculum Vitae