snapshot Hema A Murthy

Professor

Research Areas: Speech Processing, Speech Synthesis and Recognition, Network traffic analysis and modeling, Music information retrieval, Music Processing, Time series modeling, and Pattern Recognition

Education:
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
Associated Labs:
DONlab: Communications Systems and Indic Computing
Courses (Teaching Currently/next Semester): Courses (that I have Taught Before): Research Scholars (current): Research Scholars (completed):
  • 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," 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) 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 CS&E).
  • 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).
  • Contact Information:
    BSB 307
    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).
  • Publications (Recent):
  • Shrey Dutta and Hema A Murthy, ``DISCOVERING TYPICAL MOTIFS OF A RAGA FROM ONE-LINERS OF SONGS IN CARNATIC MUSIC,'' accepted for presentation at ISMIR 2014.
  • S Aswin Shanmugam and Hema A Murthy, "A Hybrid Approach to Segmentation of Speech Using Group Delay Processing and HMM Based Embedded Reestimation,'' accepted for presentation at INTERSPEECH 2014.
  • Asha T, Saranya M S, Karthik Pandia, Srikanth Madikeri and Hema A Murthy, ``Feature switching in the i-Vector framework for speaker verification,'' accepted for presentation at INTERSPEECH 2014.
  • Asha T and Hema A Murthy, ``The relevance of NIST Speaker recognition evaluations,'' accepted {\it SPCOM-2014}.
  • Ranbir Sanasam Singh, Hema Murthy and Timothy Gonsalves, ``Inference Based Query Expansion Using Real Time Implicit Feedback,'' in Communications in Computer and Information Science Series, Springer-Verlag (Accepted for publication).
  • Srikanth Madikeri, Asha Talambedu and Hema A Murthy, "Modified Group Delay Feature based Total Variability Space modelling for Speaker Recognition," accepted for publication, International Journal of Speech Technology, Springer-Verlag.
  • Sankalp Gulati, Ashwin Bellur, Justin Salamon, Vignesh Ishwar, Hema A Murthy and Xavier Serra, ``Automatic tonic identifcation in Indian art music: Approaches and evaluation,'' Journal of New Music Research, Publisher: Taylor and Francis, Vol 43, No.1, pp.53-71. 2014.
  • Preeti Rao, Joe Cheri Ross, Kaustuv Kanti Ganguli, Vedhas Pandit, Vignesh Ishwar, Ashwin Bellur and Hema Murthy, ``Melodic Motivic Analysis of Indian Music,'' Journal of New Music Research, Publisher: Taylor and Francis, Vol 43, No.1, pp. 115-131, 2014.
  • Akshay Ananthapadmanabhan, Juan Bello, Raghava Krishnan and Hema A Murthy, ``Tonic independent stroke transcription of the mridangam,'' Audio Engineering Society Conference: 53rd International Conference: Semantic Audio, January, 2014.
  • Shreya Khare and Akshay Bhandari and Hema A Murthy, "URL Classification Using Non Negative Matrix Factorization,'' Proc. NCC 2014 .
  • Anusha Prakash and Machireddy Reddy and Nagarajan T and Hema A Murthy, ``An Approach to Building Language-Independent Text-to-Speech Synthesis for Indian Languages,'' Proc. NCC 2014.
  • Anjana Babu and Raghava Krishnan K and Anil Kumar Sao and Hema A Murthy, ``A Probabilistic Approach to Selecting Units for Speech Synthesis Based on Acoustic Similarity,'' Proc. NCC 2014.
  • S Aswin Shanmugam and Hema A Murthy, ``Group Delay Based Phone Segmentation for {HTS},'' Proc. NCC 2014
  • Musfir Mohammed, N N, Raghava Krishnan K and Hema A Murthy, ``Analysis of Fricatives, Stop Consonants and Nasals in the Automatic Segmentation of Speech Using the Group Delay Algorithm,'' Proc. NCC 2014.
  • Shrey Dutta and Hema A Murthy, "A Modified Rough Longest Common Subsequence Algorithm for Motif Spotting in an Alapana of Carnatic Music,'' Proc. NCC 2014.
  • Patil, H.A. and Patel, T.B. and Shah, N.J. and Sailor, H.B. and Krishnan, R. and Kasthuri, G.R. and Nagarajan, T. and Christina, L. and Kumar, N. and Raghavendra, V. and Kishore, S.P. and Prasanna, S.R.M. and Adiga, N. and Singh, S.R. and Anand, K. and Kumar, P. and Singh, B.C. and Binil Kumar, S.L. and Bhadran, T.G. and Sajini, T. and Saha, A. and Basu, T. and Rao, K.S. and Narendra, N.P. and Sao, A.K. and Kumar, R. and Talukdar, P. and Acharyaa, P. and Chandra, S. and Lata, S. and Murthy, H.A., ``A syllable-based framework for unit selection synthesis in 13 Indian languages," Proc. O-COCOSDA 2013,pp.1-8, {doi.10.1109/ICSDA.2013.6709851}
  • Padi Sarala and Hema A Murthy, ``Cent filter banks and its relevance to identifying the main song in Carnatic music,'' accepted CMMR 2013.
  • Vignesh Ishwar, Shrey Dutta, Ashwin Bellur and Hema A Murthy, ``Motif spotting in an Alapana in Carnatic music,'' pp.499--504, Proc. ISMIR 2013.
  • Padi Sarala and Hema A Murthy, ``Inter and intra segmentation of Carnatic music recordings for archival,'' pp.487--492 Proc. ISMIR 2013.
  • B. Ramani, S.Lilly Christina, G Anushiya Rachel, V Sherlin Solomi, Mahesh Kumar Nandwana, Anusha Prakash, Aswin Shanmugam S, Raghava Krishnan S P Kishore, K Samudravijaya, P Vijayalakshmi, T Nagarajan and Hema A Murthy,``A Common Attribute based Unified HTS framework for Speech Synthesis in Indian Languages,'' pp.311--316, Proc. SSW8, 2013.
  • Abhijit Pradhan, S Aswin Shanmugham, Anusha Prakash, V Kamakoti and Hema A Murthy, ``A syllable-based statistical text to speech system,'' accepted EUSIPCO 2013, 1569738809.
  • Ashwin Bellur and Hema A Murthy, ``A novel application of group delay function for identifying tonic in Carnatic Music,'' EUSIPCO 2013., 1569745887.
  • Golda Brunet and Hema A Murthy, ``Analysis of vowel deletion in continuous speech,'' EUSIPCO 2013, 1569746923.
  • Rajeev Rajan and Hema A Murthy, "Group delay based melody monopitch extraction from music," pp.186,190, 26-31 May 2013, doi: 10.1109/ICASSP.2013.6637634, Vancouver, Canada, May-2013.
  • Akshay Ananthapadmanabhan, Ashwin Bellur and Hema A Murthy, "Modal analysis and transcription of strokes of the mridangam using non-negative matrix factorisation," vol., no., pp.181,185, 26-31 May 2013 doi: 10.1109/ICASSP.2013.6637633, Vancouver,Canada, May-2013.
  • Awards:
  • 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).
  • IBM Faculty award, 2006.
  • Projects:
  • Text to speech synthesis systems in Indian languages -- Consortium leader
  • Discovery of Carnatic Music -- CompMusic Project (http://www.compmusic.upf.edu).
  • Speaker Verification
  • Indo UK Advanced Technology Collaboration -- Network Resilience
  • Other Activities:

    Personal Photo Gallery

    Trek Photos

    Detailed Curriculum Vitae