Area of Interest

Signal Processing and its applications

Brief Profile

Lairenlakpam Joyprakash Singh is currently a Professor in the Department of Electronics and Communication Engineering (ECE) at North-Eastern Hill University (NEHU), Shillong. His research interests are in the general area of Signal Processing and its Applications. He received the Certificate, Diploma, and B.Tech. Degrees in Electronics Technician, Electronics & Electrical Engineering (EEE), and ECE from North-Eastern Regional Institute of Science and Technology (NERIST), Arunachal Pradesh, in 1995, 1997, and 1999, respectively. He later obtained M.Tech. degree from Tezpur University in 2000, and Ph.D.(Engg.) from Jadavpur University in 2006. He started his journey in the teaching profession at Sikkim Manipal Institute of Technology (SMIT), Sikkim, in August 2001 as a Lecturer and later became a Reader. He then joined NEHU in July 2006 as a Reader and became the founding Head of the Department of ECE.

Dean of the School, School of Technology

• November 25, 2019 – November 24, 2022

Head of the Department

• First Term : August 8, 2006 – August 8, 2009
• Second Term : March 23, 2010 – March 23, 2013
• Third Term : March 23, 2019 – November 22, 2019

Head of the Computer Centre, NEHU

• May 29, 2020 – till date

Provost

• During : March 01, 2016 – September 25, 2019

Warden

• Symper Hall of Residence : May 05, 2009 – February 04, 2021

Indian Science Congress Association (ISCA)

• President of the Section – 99th Session of ISCA for 2011-12
• Member of Sectional Committee – 98th Session of ISCA for 2010-11
• Local Sectional Secretary – 96th Session of ISCA for 2008-09

of the Section of Information and Communication Sciences & Technology(including Computer Sciences).

Members of

• Professional Bodies (Subscription)
  • The Indian Science Congress Association (ISCA) – Life Member (#:L13434)
  • The Computer Society of India (CSI) – Life Member (#:01111184)
  • The Institute of Electrical and Electronics Engineers (IEEE-Basic plus Signal Processing Society) – Member (#:93019185)
  • The Association for Computer Machinery (ACM-Basic) – Member (#:6787536)
• Various Committees/Bodies (Selected List)
  • Student Council of Tezpur University for the year 1999-2000 (Memo No. TU/Gen/144/99 dated November 03, 1999)
  • Working group to frame the State Educational Policy for Higher & Technical Education, Government of Meghalaya (vide: No. EDN.62/2007/3 dated August 23, 2007)
  • Expert Committee (UGC, New Delhi) constituted to assess the physical and academic infrastructure of the Sikkim Manipal University of Health, Medical and Technological Sciences, Gangtok (vide: D.O.No. F.9-7/96 (CPP-I) dated March 12, 2009)
  • The University Disciplinary Council (OD-8, Clause 6(i)) (vide: No. 2-26/DisciplinaryCouncil/Acad/2014/-501 dated October 8, 2014)
  • NEHU Representative to the Governing Body of College, Shillong Engineering and Management College, Jorabat, Meghalaya for a period of three years (vide: No. CDC/BO/97/Vol.II/2005/147 dated June 15, 2010)
  • NEHU Representative to the Governing Body of College, Regional Institute of Science & Technology, Baridua, Meghalaya for a period of three years (vide: No. CDC/BO/97/(Vol.II)-2005/1271 dated July 15, 2011)
  • NEHU Representative to the Governing Body of College, Regional Institute of Science & Technology, Baridua, Meghalaya for a period of three years (vide: No. CDC/BO/97/Vol.IV/2005/2642 dated February 19, 2014)
  • Member(Alumni Representative) of Board of Management (BoM), North-Eastern Regional Institute of Science and Technology (NERIST), Nirjuli, Arunachal Pradesh - 791 109 for a period of three years(MOA: Rule of the Institute 5(c)) (vide: No.RR/13/2006 dated January 24, 2014)
  • Coordinator of the National MEMS Design Centre (NMDC), NEHU, Shillong (vide: No. 2-19/Acad/Mems/2009-367 dated August 07, 2009)
  • Member of the committee constituted to discuss the Audit Inspection Report (vide: No. 1-3/P&S/DR(P&S)/PC/2013-14-507 dated May 19, 2015)
  • The Doctoral Committee, NIT Nagaland, Chumukedima, Nagaland (vide: 2014242003/NIT-N/Ph.D/07-08/0019/2014 dated July 28, 2014)
  • The Committee to look into amendment of the B.Tech. Regulation, NEHU, Shillong (vide: F.AC:78-4/Conf/2007-55 dated March 12, 2008)
  • Member of the Committee to look into the amendment of the Rules & Regulation (for the Hostels), NEHU, Shillong (vide: F.AC:78-4/Conf/2007-55 dated March 12, 2008)
  • The Vidyalaya Management Committee in respect of Kendra Vidyalaya, NEHU, Shillong for a period of three years from 07/09/2013 (vide: No. F.20082/16/2014/KVS(GR)/21689-692 dated January 30, 2015)

Workshops Organized

• Multi-level Person Authentication Systems 
  September 28, 2013
  Speakers:
  • Prof. B. Yegnanarayana, IIIT Hyderabad
  • Prof. S. Umesh, IIT Madras
  • Dr. K. Samudravijaya, TIFR Mumbai,
  • Dr. Rohit Sinha, IIT Guwahati
  • Prof. S. R. M. Prasanna, IIT Guwahati.

Sponsored by
- Department of Electronics and Information Technology(DeitY), GoI, New Delhi

• IEEE EDS MINI-COLLOQUIUM: WINMACT 23 
  April 5, 2010
  Speakers:
  • Prof. Hiroshi Iwai, Tokyo Institute of Technology, Japan
  • Prof. S. K. Saha, University of Colorado at Colorado Springs,
  • Dr. Xing Zhou, Nanyang Technological University, Singapore,
  • Prof. M. K. Radhakrishanan, NonoRel, Bangalore,
  • Prof. V. R. Rao, IIT Bombay, Maharashtra
  • Prof. C. K. Sarkar, Jadavpur University, West Bengal.

Sponsored by
- IEEE Electron Device Chapter of IEEE Calcutta Section

• Microsystems Technology
  March 25-27, 2010
  Speakers:
  • Prof. V. K. Attre, Chairman, B-SMART, ISSS, Former Director General of DRDO, Bangalore
  • Dr. K. Vijayarahu, Aeronautical Development Agency (ADA), Bangalore
  • Prof. Hiranmay Saha, Jadavpur Unievrsity, Kolkata
  • Dr. Navakanta Bhat, IISc., Bangalore,
  • Dr. M. M. Nayak, Department of Space, Chandigarh
  • Prof. Roy Paily, IIT Guwahati, Assam,
  • Prof. S. Gopalakrishnan, IISc., Bangalore,
  • Dr. Soumen Das, IIT Kharagpur, West Bengal,
  • Dr. T. K. Bhattacharya, IIT Kharagpur, West Bengal,

Co-Sponsored by
- North-East Space Application Centre (NESAC), Meghalaya

Research Projects

1. Development and Deployment of Speech based Multi-Level Person Authentication System 
   Funding Agency: Department of Electronics and Information Technology (Deity), Ministry of Communication and Information Technology, Govt. of India, New Delhi.
   Duration: 3 years [March 28, 2012 to March 27, 2016]
   Status: Completed 
   Principal Investigator: Dr. L. Joyprakash Singh
   Co-Principal Investigator: Ms. Fidalizia Pyrtuh
2. Development of Prosodically Guided Phonetic Engine for Searching Speech Databases in Indian Languages
   Funding Agency: Department Information Technology (DIT), Ministry of Communication and Information Technology, Govt. of India, New Delhi.
   Duration: 2 years [December 23, 2011 to June 30, 2015]
   Status: Completed
   Principal Investigator: Dr. L. Joyprakash Singh
   Co- Principal Investigator: Mr. S. K. Dutta
3. NPMASS programme to establish NPMASS MEMS Design Centre (National Centre),
   Sponsoring Agency: Aeronautical Development Agency (ADA), Bangalore through IISc.[National coordinator], Bangalore.
   Duration: August 2009 to January 2015.
   Status: Closed 
   Coordinator at NEHU: Dr. L. Joyprakash Singh

Publications

Published Abroad  (Selected List)

• S. K. Dutta, T. Ismail and L. J. Singh, “A comparison between phonetic engine and GMM–UBM classifier for language identification tasks”, MICROSYSTEM TECHNOLOGIES, Volume 28, pp 903–911, 2022.
• B. Syiem, S. K. Dutta, J. Binong and L. J. Singh, “Comparison of Khasi speech representations with different spectral features and hidden Markov states”, JOURNAL OF ELECTRONIC SCIENCE AND TECHNOLOGY, Volume 19, No. 2, pp 1- 7, 2021.
• B. Syiem and L. J. Singh, “Exploring end-to-end framework towards Khasi speech recognition system”, INTERNATIONAL JOURNAL OF SPEECH TECHNOLOGY, Volume 24, pp 419 – 424, 2021.
• B. Syiem and L. J. Singh, “Deep neural network-based phoneme classification of standard Khasi dialect in continuous speech”, INTERNATIONAL JOURNAL OF APPLIED PATTERN RECOGNITION, Volume 6, No. 1,  pp 43 – 51, 2019.
• J. Swarnakar, P. Sarkar and L. J. Singh, “Direct Discretization Method for Realizing a Class of Fractional Order System in Delta Domain – a Unified Approach”, AUTOMATIC CONTROL AND COMPUTER SCIENCES, Volume 53, No. 2, pp 127 – 139, 2019.
• S. K. Dutta and L. J. Singh, “A comparison of three spectral features for phone recognition in sub-optimal environments”, INTERNATIONAL JOURNAL OF APPLIED PATTERN RECOGNITION, Volume 5, No. 2, pp 137 – 148, 2018.
• J. Swarnakar, P. Sarkar and L. J. Singh, “A unified direct approach for discretizing fractional-order differentiator in delta-domain’’, INTERNATIONAL JOURNAL OF MODELING, SIMULATION, AND SCIENTIFIC COMPUTING, Volume 09, No. 06, pp 1850055-1 – 1850055-20, 2018.
• P. K. Patra, L. J. Singh and S. Kumar, “Calculation of Strain Energy of Cantilevered Thick Multiwalled Carbon Nanotubes with Varying Forces at the Free End”, JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, USA, Volume 6, No. 5, pp 1039-1044, 2009.
• L. J. Singh, S. Choudhury, A. Mallik and K. P. Ghatak, “Electronic contribution to the elastic constants in strained layer quantum dot superlattices of non-parabolic semiconductors with graded interfaces”, JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE, USA, Volume 2, No. 2, pp 287-292, 2005.
• L. J. Singh, S. Choudhury, D. Baruah, S. K. Biswas and K. P. Ghatak, “Simple theoretical analysis of the thermoelectric power under strong magnetic quantization in superlattices of non-parabolic semiconductors with graded interfaces”, PHYSICA B, ELSEVIER, Volume 368, pp. 188-203, 2005.
• S. Chowdhury, L. J. Singh and K. P. Ghatak, “The electronic contribution to the elastic constants in strained layer quantum well superlattices of non-parabolic semiconductors with graded interfaces under magnetic quantization: simplified theory and suggestion for experimental determination”, PHYSICA B, ELSEVIER, Volume 365, pp. 5-12, 2005.
• K. P. Ghatak, S. Bhattacharya, S. Singha Roy and L. J. Singh, “Influence of quantum confinement on the carrier contribution to the elastic constants in nonlinear optical and optoelectronic materials: simplified theory and suggestion for experimental determination: Part – I”, NONLINEAR OPTICS, QUANTUM OPTICS, USA, Volume 32, pp. 307-332, 2004.
• P. K. Chakraborty, L. J. Singh and K. P. Ghatak, “Simple theory of the optical absorption coefficient in nonparabolic semiconductors”, JOURNAL OF APPLIED PHYSICS, USA, Volume 95, No. 10, pp. 5311-5315, 2004.
• S. Choudhury, L. J. Singh and K. P. Ghatak, “The Einstein relation in quantum wells and quantum well wires: simplified theory and a suggestion for experimental determination”, NANOTECHNOLOGY, UK, Volume 15, pp 180-188, 2004.

Conferences Abroad

• Jaydeep Swarnakar, Prasanta Sarkar, Moumita Dey and Joyprakash Lairenlakpam,"Rational approximation of fractional order system in delta domain — A unified approach", International Humanitarian Technology Project Competition (IHTPC 2017), Dhaka, Bangladesh. (DOI: 10.1109/R10-HTC.2017.8288926) [Presented by Jaydeep Swarnakar]
• Tanvira Ismail and L. Joyprakash Singh (2017). Development of Speech Corpora for Goalparia Dialect and Similar Languages. IEEE International Conference on Signal and Image Processing Applications (IEEE ICSIPA 2017), Malaysia. 170-173.[Presented by Tanvira Ismail]
• Sushanta Kabir Dutta, L. Joyprakash Singh and Fidalizia Pyrtuh, Robust Watermark for Speech Communication, Proc. of ICCTD, November 2012, Bangkok, Thailand.[Presented by Sushanta Kabir Dutta]

Conferences in India (Selected List)

• F. Rynjah, B. Syiem and L. J. Singh, “Khasi speech recognition using hidden Markov model with different spectral features: A comparison”, Proceedings of Industry Interactive Innovations in Science, Engineering & Technology (I3SET2K19), 2020.
• T. Ismail and L. J. Singh, “Identification of Goalparia dialect and similar languages”, IMPACT 2017 - International Conference on Multimedia, Signal Processing and Communication Technologies, Zakir Husain Engineering and Technology, Aligarh Muslim University, Aligarh,  p. 51 – 54.
• S. K. Dutta, S. Nandakishor and L. J. Singh, “A comparative study on feature dependency of the Manipuri language based phonetic engine”, 2nd International Conference on Communication Systems, Computing and IT Applications, CSCITA 2017, p. 5 – 10 DOI: https://dx.doi.org/10.1109/CSCITA.2017.8066533
• T. Ismail, G. K. Deka, S. K. Dutta and L. J. Singh, "Identification of Kamrupi Dialect and Similar Languages", 4th International Conference on Signal Processing & Integrated Networks", SPIN 2017, Amity University, Noida, February 2-3, 2017.
• S. K. Dutta, T. Ismail and L. J. Singh, "A Comparative Evaluation of Language Identification by Phonetic Engine and GMM-UBM based classifier", 5th International Conference on Computing, Communication and Sensor Network, CCSN2016, Kolkata, December 24-25, 2016.
• T. Ismail, G. K. Deka, S. K. Dutta and L. J. Singh, "Kamrupi Dialect Identification Using GMM", International Conference on Signal Processing (ICSP-SATI 2016), Samrat Ashok Technological Institute (Engineering College), Vidisha (M.P.), November 7-9, 2016.
• S. K. Dutta and L. J. Singh, "Some issues related to Phone Recognition and Language Identification using Phonetic Engines", International Conference on Computing and Communication Systems(I3CS'16), NEHU, Shillong, November 11-13, 2016. [SN30:I3CS16-143]
• B. Syiem, F. Rynjah and L. J. Singh, "Temporal representation of vowels in Khasi dialect", International Conference on Computing and Communication Systems (I3CS'16), NEHU, Shillong, November 11-13, 2016. [SN35:I3CS16-162]
• H. U. Mullah, F. Pyrtuh and L. J. Singh, "Development of an HMM-based speech synthesis system for Indian English language", 2015 International Symposium on Advanced Computing and Communication (ISACC), 14-15 September 2015, pp. 124-127, DOI: 10.1109/ISACC.2015.7377327.
• S. Nandakishor, S. K. Dutta and L. J. Singh, "An HMM based Semi-Automatic Syllable Labeling System for Manipuri Language", Proc. of the International Conference on Computing, Communication & Automation (ICCCA 2015), pp 1044-1047, May 15-16, 2015, Galgotias University, Greater Noida. DOI: 10.1109/CCAA.2015.7148548
• S. Jelil, R. K. Das, K. Amitab, F. Pyrtuh, L. J. Singh and S. R. M. Prasanna, Exploring Speaker Modeling Techniques for Short Pass-Phrase Based Person Authentication System, International Conference on Computing and Communication Systems(I3CS'15), NEHU, Shillong, April 9-10, 2015. [SN31:PID-075]
• S. K. Dutta, S. Nandakishor and L. J. Singh, Development of Language Identification System using Phonetic Engine, International Conference on Computing and Communication Systems(I3CS'15), NEHU, Shillong, April 9-10, 2015. [SN52:PID-111]
• G. Kachari, F. Pyrtuh and L. J. Singh, “Continuous Speech digit Recognition system using HMM”, International Conference on Computing and Communication Systems(I3CS'15), NEHU, Shillong, April 9-10, 2015. [SN68:PID-129]
• L. Rahul, S. Nandakishor, L. J. Singh and S. K. Dutta, “Design of Manipuri Keywords Spotting System using HMM”, Proc. of the Fourth National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG), pp1-3, December 18-21, 2013, IIT Jodhpur, India. DOI: 10.1109/NCVPRIPG.2013.6776249
• F. Pyrtuh, S. Jelil, G. Kachari and L. J. Singh, “Comparative evaluation of feature normalization techniques for voice password based speaker verification”, Proc. of the Fourth National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG), pp1-4, December 18-21, 2013, IIT Jodhpur, India. DOI: 10.1109/NCVPRIPG.2013.6776237.
• L. J. Singh and K. P. Ghatak, “On the Optical Absorption Co-efficient in Optoelectronic Compounds”, Proc. of the International Conference on Communications, Devices & Intelligent Systems (CODIS 2004), pp 438-440, January 8-10, 2004, Jadavpur University, Kolkata.
• S. Choudhury, L. J. Singh, N.C. Paul and K. P. Ghatak, “On the Einstein relation in Nanostructures of degenerate ternary and quaternary types of optoelectronic materials”, Proc. of the twelfth International Workshop on the Physics of Semiconductor Devices (IWPSD-2003), vol-2, pp 1029-1031, December 16-20, 2003, IIT Madras, India.
• P. P. Sahu and L. J. Singh, "Genetic ratio cut bipartitioning by using efficient crossover operator", Proc. of International conference on computers, communication and devices (ICCCD-2000), vol-1, pp133-136, December 14-16, 2000, IIT Kharagpur.

Book Chapters (Selected List)

• J. Swarnakar, P. Sarkar and L. J. Singh, “Realization of fractional-order proportional derivative controller for a class of fractional-order system in delta domain”, Advances in Intelligent Systems and Computing: S. Choudhury, R. Mishra, R. G. Mishra and A. Kumar (Eds.). 2020 Springer, Singapore, Chapter 32, volume 989, p. 303 – 311 DOI: http://dx.doi.org/10.1007/978-981-13-8618-3_32
• J. Swarnakar, P. Sarkar and L. J. Singh, “Rational Approximation Methods for a Class of Fractional-Order SISO System in Delta Domain”, Advances in Communication, Devices and Networking – a part of lecture Notes in Electrical Engineering: R. Bera, S. K. Sarkar, O. P. Singh and H. Saikia (Eds.). 2019 Springer, Singapore, Chapter 43, volume 537, p. 395 – 402 DOI: https://dx.doi.org/10.1007/978-981-13-3450-4_43
• S. K. Dutta and L. J. Singh, “A Study on Prosodic Feature-Based Automatic Classification of Languages from Northeastern India”, Advances in Communication, Devices and Networking – a part of Lecture Notes in Electrical Engineering: R. Bera, S. K. Sarkar, and S. Chakraborty (Eds.). 2018 Springer, Singapore, Chapter 63, volume 462, p. 583 – 589 DOI: https://doi.org/10.1007/978-981-10-7901-6_63
• B. Syiem, F. Rynjah and L. J. Singh, “Temporal Representation of Vowels in Khasi Dialect”, Proceedings of the International Conference on Computing and Communication Systems – a part of l Lecture Notes in Networks and Systems: J. K. Mandal, G. Saha, D. Kandar and A. K. Maji (Eds.). 2018 Springer, Singapore, Chapter 36, Volume 24, p. 377 – 382 DOI: https://doi.org/10.1007/978-981-10-6890-4_36
• B. Syiem, F. Rynjah and L. J. Singh, “Homomorphic Analysis of Vowels in Khasi Dialect”, Advances in Communication, Devices and Networking – a part of Lecture Notes in Electrical Engineering: R. Bera, S. K. Sarkar, and S. Chakraborty (Eds.). 2018 Springer, Singapore, Chapter 50, volume 462, p. 459 – 464 DOI: https://doi.org/10.1007/978-981-10-7901-6_50
• J. Swarnakar, P. Sarkar and L. J. Singh, “Realization of Fractional-Order Operator in Complex Domains—A Comparative Study”, : R. Bera, S. K. Sarkar, and S. Chakraborty (Eds.). 2018 Springer, Singapore, Chapter 77, volume 462, p. 711 – 718 DOI: https://doi.org/10.1007/978-981-10-7901-6_77

National Symposia

• S. Nandakishor, L. Rahul, S. K. Dutta and L. J. Singh, “Development of Manipuri Phonetic Engine”, Zonal Seminar, The Institute of Electronics and Telecommunication Engineers [IETE], May 3-4, 2013. [Presented the Paper by L. Joyprakash Singh in the Diamond Jubilee Celebration of IETE, 1953-2013 on May 4, 2013]
• L. J. Singh, “Computer Ethics and Society Today”, Proc. of the Section of Information and Communication Science and Technology (Including Computer Science), 99th Indian Science Congress, pp.1-7, January 3-7, 2012, Bubhaneswar, Odisha. [Presented by L. Joyprakash Singh]
• L. J. Singh and V. Kumar, “Utilities and the IP Based World”, Proc. of the Section of Information and Communication Science and Technology (Including Computer Science), 97th Indian Science Congress, pp.46, January 3-7, 2010, Thiruvananthapuram. [Presented by V. Kumar]

Paper Reviewer (Selected List)

• Proceedings of the National Academy of Sciences, India (NASI), Section A: Physical Sciences (Publisher: Springer India Pvt. Ltd.).
• Journal of Nanoelectronics and Optoelectronics (Publisher: American Scientific Publisher).