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    Prof. Ch. V. Rama Rao

    Associate Professor

    Department of Electronics & communication Engineering

    National Institute of Technology, Warangal - 506004, Telangana, INDIA

    : chvramarao@nitw.ac.in : 9402187886

    Research Interests:

    Speech Processing, Signal Processing, Machine Learning Algorithms for Signal Processing, Signal Processing Issues in Advanced Communication Systems, Pattern Recognition.

    Education Qualification:

    Ph.D.     -  JNTU Hyderabad

    M.Tech.  -  JNTU Hyderabad

    B.Tech.   -  Nagarjuna University, Andhra Pradesh

     

    Details of Experience:

    • Associate Professor, ECE Department, National Institute of Technology Warangal, from August 2022 to till date.
    • Assistant Professor, ECE Department, National Institute of Technology Meghalaya, from August 2014 to August 2022.
    • Scientist-C, Communications System Group, SAMEER-Centre for Electromagnetics, Department of Electronics and Information Technology, Ministry of Communications and Information Technology, Government of India, from May 2012 to August 2014.
    • Professor, ECE Department, K. L. University, from February 2012 to May 2012.
    • Associate Professor, ECE Department, Gudlavalleru Engineering College, Andhra Pradesh, from August 2007 to January 2012.
    • Assistant Professor, ECE Department,Gudlavalleru Engineering College, Andhra Pradesh, from September 2000 to September 2007.

         

    Course Taught Previously

    Courses Handled:

    • Microprocessor Systems - Opem Elective Course
    • Probability Theory and Stochastic Processes
    • VLSI DSP Architectures

    At earlier Institution, NIT Meghalaya:  

    • Array Signal Processing
    • Digital Signal Processing
    • Signals and Systems
    • Artificial Neural Networks and Applications
    • Machine Learning and Speech Technology
    • Advanced Digital Signal Processing
    • Adavnced Digital Communications
    • Speech Processing
    • Detection and Estimation Theory
    • Spech Signal Processing and Coding
    • Digital Communication
    • Signal Detection and Estimation Theory

    Publications

    Publications:

    Journal Publications:

    • G. A. Prabhakar, B. Basel, A. Dutta and Ch V. Rama Rao, "Multichannel CNN-BLSTM Architecture for Speech Emotion Recognition System by Fusion of Magnitude and Phase Spectral Features using DCCA for Consumer Applications," in IEEE Transactions on Consumer Electronics, vol. 69, no. 2, pp. 226-235, May 2023, doi: 10.1109/TCE.2023.3236972.
    • V. Anil Kumar, Ch. V. Rama Rao, and N. Leema, "Audio source separation by estimating the mixing matrix in underdetermined condition using successive projection and volume minimization," in Int. j. inf. tecnol., Springer, 15, pp.1831–1844, April, 2023, https://doi.org/10.1007/s41870-023-01226-6.
    • Ashishkumar Gudmalwar and Ch V Rama Rao, "Single Channel Speech Enhancement using Masking based on Sinusoidal Modeling," in SN Computer Science, Springer, 4, 71, pp. 1 - 8, 2023, https://doi.org/10.1007/s42979-022-01484-4.
    • Anirban Dutta, Ashishkumar, G., and Ch. V. Rama Rao, "Improving the performance of ASR system by building acoustic models using spectro-temporal and phase based features," Circuits, Systems, and Signal Processing, Springer, Issue No. 41, https://doi.org/10.1007/s00034-021-01848-w, pp. 1609 -1632, 2022.
    • Anirban Dutta, Ashishkumar, G., and Ch. V. Rama Rao, "Performance analysis of ASR system in hybrid DNN-HMM framework using a PWL euclidean activation function," Frontiers of Computer Science, Springer, Issue No. 15, https://doi.org/10.1007/s11704-020-9419-z, pp. 1 - 11, 2021.
    • K. Thulasiram Varma, Rangababu Peesapati, Ch. V. Rama Rao, et al., "A Novel SSA-NLLSF Approach for Denoising NQR Signals," Applied Magnetic Resonance, Springer, Issue No. 52, https://doi.org/10.1007/s00723-021-01415-1, pp. 1601 - 1613, 2021.
    • Anirban Dutta, Gudmalwar Ashishkumar and Ch. V. Rama Rao, "Designing of Gabor filters for spectro-temporal features to improve the performance of ASR system," in International Journal of Speech Technology, doi.org/10.1007/s10772- 019-09650-5, pp. 1-13, 2019.
    • Ashishkumar Prabhakar Gudmalwar, Ch. V. Rama Rao and Anirban Dutta, "Improving the performance of the speaker emotion recognition based on low dimension prosody features vector," in International Journal of Speech Technology, doi.org/10.1007/s10772-018-09576-4, pp. 521- 531, 2019.
    • V. Anil Kumar, Ch. V. Rama Rao, and Anirban Dutta, “Performance analysis of blind source separation using canonical correlation,” in Springer, Circuits, Systems, and Signal Processing, DOI: 10.1007/s00034-017-0566-x, Volume 37, Issue 2, pp. 658–673, 2018.
    • V. Anil Kumar, Ch. V. Rama Rao, “Unsupervised noise removal technique based on constrained NMF,” in IET Signal Processing, Vol. 11, Issue No. 7, pp. 788 – 795, 2017.
    • N.Srisakthi, Ch.V.Rama Rao and M.Vidya, “Implementation of CDMA receiver using recursive digital matched filter, IOSR Journal of VLSI and Signal Processing (IOSR-JVSP), Vol.4, Issue No. 3, pp. 23-28, 2014.
    • T.Muni Kumar, Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “A New Speech Enhancement Technique Using Perceptual Constrained Spectral Weighting Factors,” International Journal of Electronics Signals and Systems, ISSN No. 2231-5969, Vol.1, pp. 30-35, Issue-2, 2012.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech Enhancement Using Sub-band Cross-correlation Compensated Wiener Filter Combined with Harmonic Regeneration,” International Journal of Electronics and Communications, Elsevier publications, DOI: 10.1016/j.aeue.2011.10.007, Vol.66, Issue No.6, pp. 459-464, 2012.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech Enhancement Using Cross-Correlation Compensated Multi-Band Wiener Filter Combined with Harmonic Regeneration,” Journal of Signal and Information Processing, DOI:10.4236/jsip.2011.22016, vol.2, No.2, pp. 117-124, 2011.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Noise Reduction Using mel-scale Spectral Subtraction with Perceptually Defined Subtraction Parameters-A New Scheme”, Signal & Image Processing: An International Journal, DOI: 10.5121/sipij, vol.2, No.1, pp. 135-149, 2011.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech Enhancement Using a Modified Apriori SNR and Adaptive Spectral Gain Control”, Int. Journal of Computer Applications, DOI: 10.5120/1738-2363, Vol.12, N0.12, pp. 13-17, 2011.
    • Ch.V.Rama Rao, Gowthami.A, Harsha.D, Rajkumar.L, M.B.Rama Murhty, K. Srinivasa Rao and K.Anitha Sheela, “Noise estimation for speech enhancement in non-stationary environments-a new method”, Journal of World Academy of Science, Engineering and Technology, Issue no. 70, Print PISSN: 2010-376X, Online eISSN:2010-3778, pp. 739-742, 2010.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech enhancement in non-stationary noise environments: an efficient approach”, The Icfai University Journal of Telecommunications, vol.1, No.2, pp. 24-31, Dec. 2009.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “A perceptual approach to reduce musical noise using critical bands tonality coefficients and masking thresholds”, Int. Journal of Communications, Network and System Sciences, DOI: 10.4236/ijcns.2009.28085, Vol.2, No.8, pp. 742-745, Nov. 2009.

    Book Chapters:

    • Rantu Buragohain, R. Aditya Reddy, Yenduri Venkatesh, Gudmalwar Ashishkumar Prabhakar, and Ch. V. Rama Rao, "Single Channel Speech Enhancement Using Masking Based on Sinusoidal Modeling," a book chapter in Recent Trends in Image Processing and Pattern Recognition, Communications in Computer and Information Science, Springer, https://doi.org/10.1007/978-3-031-07005-1_28, pp. 330 - 337, 2021.
    • Amandeep Sinha, S. Hemanth Kumar, Gudmalwar Ashishkumar Prabhakar, and Ch V. Rama Rao, "Extraction of Temporal Features on Fibonacci Space for Audio Based Vehicle Classification," a book chapter in Recent Trends in Image Processing and Pattern Recognition, Communications in Computer and Information Science, Springer, https://doi.org/10.1007/978-3-031-07005-1_29, pp. 338 - 445, 2021.

    Conference Publications:

    • R. Buragohain, G. Ashishkumar and C. V. R. Rao, "Single Channel Speech Enhancement System using Convolutional Nbased Autoencoder for Noisy Environments," 2022 IEEE 19th India Council International Conference (INDICON), Kochi, India, 2022, pp. 1-6, doi: 10.1109/INDICON56171.2022.10039862.
    • Ashishkumar Gudmalwar, Biplove Basel, Anirban Dutta and Ch V Rama Rao, "The Magnitude and Phase based Speech Representation Learning using Autoencoder for Classifying Speech Emotions using Deep Canonical Correlation Analysis," Interspeech 2022, 18-22 September 2022, Incheon, Korea, pp. 1163 -1167.
    • Shravan Kumar Bandari and Ch. V. Rama Rao, "Enhanced Sparse Vector Coding with Limited Pilot Overhead for Short Packet Transmission," IEEE International Conference on Advanced Communication Technologies and Signal Processing (ACTS), doi: 10.1109/ACTS53447.2021.9708246, pp. 1- 5, 2021.
    • A. Dutta, G. Prabhakar, Ch V Rama Rao, "On the Impact of Gabor Phase for Spectro-Temporal Feature Extraction in Building an ASR System" 11th Annual IEEE Information Technology, Electronics and Mobile Communication Conference (IEMCON), Vancouver, Canada, 4 - 7 November, 2020.
    • A. Dutta, G. Prabhakar, Ch V Rama Rao, " Phase based spectro- temporal features for building a robust ASR system" Interspeech 2020, China, 25 - 29 October, 2020.
    • G. Ashishkumar, Dutta A. and Ch V Rama Rao, " Estimation of Fundamental Frequency of Noisy Speech Signals using Correlogram based on Subband Filtering", IEEE 6th International Conference on Engineering Technologies and Applied Sciences (ICETAS), Kuala Lumpur Malaysia, 20 -21 December, 2019.
    • Dutta A., Ashishkumar G. and Ch V Rama Rao, " Auditory Inspired Acoustic Model for Hybrid ASR System Using Gammatone Based Gabor Filters ", 19th IEEE International Symposium on Signal Processing and Information (ISSPIT), Ajman UAE, 10- 12 December, 2019.
    • Priya Pallavi and Ch V Rama Rao, "Phase-Locked Loop (PLL) Based Phase Estimation in Single Channel Speech Enhancement," in Interspeech 2018, Hyderabad, 2 - 6 September, 2018.
    • V. Anil Kumar, Ch. V. Rama Rao, Anirban Dutta, “Blind speech separation using canonical correlation and performance analysis,” in IEEE International Conference CSCITA-2017, Mumbai, April 2017.
    • Kambam Bijen Singh, Telajala Venkata Mahendra, Ravi Singh Kurmvanshi and Ch V Rama Rao, “Image Enhancement with the Application of Local and Global Enhancement Methods for Dark Images”, IEEE International Conference on Innovations in Electronics, Signal Processing and Communication (IESC 2017), 6- 7th April 2017, Shillong, India.
    • Kambam Bijen Singh, Sheikh Wasmir Hussain, Telajala Venkata Mahendra and Ch V Rama Rao, `` Implementation of OFDM and Pulsed-OFDM”, IEEE 15th International Conference on Information Technology (ICIT), 22-24 December 2016, Bhubaneswar, India.
    • Avadhesh Kumar, Ch V Rama Rao, Low-power structures of digital matched filter for direct sequence spread spectrum systems, IEEE WISPNET 2016, Period -March 23-25, Place -Chennai, 2016.
    • Srisakthi.N, Rama Rao.Ch.V and Vidya.M, "Implementation of code synchronization for CDMA applications using recursive digital matched filter", IEEE International Conference on Communication and Signal ProcessingICCSP'2014, Tamilnadu, April, 2104.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “A Novel Two Stage Single Channel Speech Enhancement Technique”, India Conference (INDICON), 2011 Annual IEEE, published in IEEE Xplore, DOI: 10.1109/INDCON.2011.6139375, held at Hyderabad in 16-18, Dec. 2011.
    • T.Muni Kumar, Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “A New Speech Enhancement Technique Using Perceptual Constrained Spectral Weighting Factors,” Proceedings of Int. Conference on Electronics and Communication Engineering ECE-2011, pp. 191- 195, Oct. 1-3, 2011.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech Enhancement Using Perceptual Wiener Filter Combined with Unvoiced Speech – A New Scheme,” RAICS-2011, IEEE Recent Advances in Intelligent Computational Systems, published in IEEE Xplore, Print ISBN: 978-1-4244-9477-4/11, pp.688- 691, Sep. 22-24, 2011.
    • M.Priyanka, Ch.V.Rama Rao, “Speech enhancement using self adaptive Wiener filter based on hybrid apriori SNR,” Proceedings of Int. Conference on Nanoscience, Engineering & Advanced Computing (ICNEAC-2011), Swarnandhra College of Engineering, pp. 498-502, July 8-10, 2011.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech enhancement using crosscorrelation compensated multi-band Wiener filter combined with constrained perceptual weighting filter”, IEEE Technically Sponsored National Conference on Emerging Trends and Applications in Computer Science (NCETACS-2011), published in IEEE Xplore, Print ISBN: 978-1-4244-9578-8, DOI: 10.1109/NCETACS.2011.5751399, BEST PAPER AWARDED, Shillong, March 4-5, 2011.
    • Vargil Vijay. E, Ch.V. Rama Rao, G.N. Swamy and M. Kamaraju, “Electronic Control Unit for an Adaptive Cruise Control System in a Car Using Electronic Fuel Injection,” Int. Conference on Next Generation Communication and Computing Systems ( ICNGC2S-10), Published in IEEE Xplore ,ISBN: 978-93-81068-00-7, pp. 191-193, Dec. 25-26, 2010.
    • Vargil Vijay. E, Ch.V. Rama Rao, Vargil Kumar. E and G.N. Swamy, “Electronic Control Unit for an Adaptive Cruise Control System and Engine Management System in A Vehicle Using Electronic Fuel Injection,” Int. Conference on Emerging Trends in Robotics and Communication Technologies (INTERACT-2010), Published in IEEE Xplore, ISBN: 978-1-4244-9004-2, DOI: 10- 1109/INTERACT.2010.5706213, pp. 143-146, Dec. 3-5, 2010.
    • Ch.V.Rama Rao, Gowthami.A, Harsha.D, Rajkumar.L, M.B.Rama Murhty, K. Srinivasa Rao and K.Anitha Sheela, “Noise estimation for speech enhancement in non-stationary environments- a new method”, Proceedings of International Conference on Signal and Image Processing, ICSIP, World Academy of Science, Engineering and Technology, ISBN: 1307-6892, Issue 69, pp. 36-38, Singapore, August 25-27, 2010.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “A modified Wiener filter combined with perceptual weighting for speech enhancement”, Proceedings of the Second International Conference on Intelligent Human Computer Interaction, published by Springer publications, ISBN: 978-81-8489-540-7, vol.1, pp.205-211, Jan. 16-18, 2010.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, “Speech enhancement using modified Wiener filter”, Proceedings of a 3-days National Conference, FACE 09,Deccan College of Engineering, vol.1, pp. 1-4, March 19-21, 2009.
    • Ch.V.Rama Rao, M.B.Rama Murthy and K.Anitha Sheela, “A new technique for street noise reduction in signal processing applications”, Published in IEEE Xplore, TENCON-08, DOI: 10.1109/TENCON.2008.4766755, Nov. 19-21, 2008.
    • Ch.V.Rama Rao, K.Anitha Sheela, M.B.Ramamurthy and A.V.N.Tilak, “Speech enhancement in non-stationary noise environments- a new approach,” Proceedings of International Conference on RF and Signal Processing Systems, pp. 262-265, KLCE, Vaddeswaram, Guntur, Feb., 2008.
    • Ch.V.Rama Rao, and M.B.Ramamurthy “A new approach for improved performance of hands- free phones,” Proceedings of TIES-2007, pp. 66-68, Satyabama University, Chennai, Nov. 12-14, 2007.
    • Ch.V.Rama Rao, K.Anitha Sheela, K.Satya Prasad and A.V.N.Tilak, “A noise reduction pre-processor for mobile voice communication using perceptually weighted spectral subtraction method,” Proceedings of 3rd International Conference ObCom-2006, vol.1, pp. 91-100, VIT University, Vellore, TN, Dec. 16-19, 2006.

     

    PHDs Supervised

    Ph.D's Supervised:

       

    S.No. Title of the Thesis Name of the Student Name of theInstitute                         

    Supervisor/Co-Supervisor

    		    Year of Award
    1 Algorithms for Separation of Acoustic Signals using Blind Source Separation V.Anil Kumar NIT Meghalaya Supervisor 2020
    2 Building Robust Acoustic Models for an Automatic Speech Recognition System Anirban Dutta NIT Meghalaya Supervisor 2021
    3 Development of Speech Emotion Recognition System by Exploiting Emotion Dependent and Phase Based Features

    G. Ashishkumar Prabhakar                          

    		 NIT Meghalaya Supervisor 2023
    4

    Post-Processing of NQR signals in the digital domain using FPGA.

    		 Keerthipati Thulasiram Varma NIT Meghalaya Co-Supervisor Ongoing

     

     

     

    Workshops/Conferences

    Workshops/Conferences:

    • Organized a AICTE Training And Learning (ATAL) Academy sponosred Online Faculty Development Programme (Advanced Level) on "Signal Processing for Cognitive Neuroscience Applications" at NIT Meghalaya, 17 -21 January 2022.
    • Organized a AICTE Training And Learning (ATAL) Academy sponosred Online Faculty Development Programme (Elementary Level) on "Signal Processing for Cognitive Neuroscience Applications" at NIT Meghalaya, 02 - 06 November 2021.
    • Organized an event of "HACKATHON 2021" at NIT Meghalaya with the support of TEQIP during 26 and 27 February 2021 through online mode. In this event students of UG and PG from various institutions were demonstrated their solutions for solving the problems in the following areas:
      • Agriculture and Rural Development.
      • Healthcare and Bio-medical Devices.
      • Smart Systems.
      • Renewable Energy Sources for
      • Rural Development.
      • Waste Management.

               In each area two best proposals has been awarded with an amount Rs. 20,000.00 and Rs. 10,000.00. The total an amount Rs. 1,50,000.00 has been distributed             to the winners of the event.

    • Organized an event of "INNOVATHON 2021" at NIT Meghalaya with the support of TEQIP on 30-01-2021 through online mode. In this event around 15 proposals were presented by students of B.Tech., M.Tech., M.Sc., and Ph.D. scholars. Out of the presented proposals 8 projects were shortlisted and finance support of Rs. 1,46,000.00 has been provided by TEQIP-III for implementation.
    • Organized a five days workshop on "Role of Technical Institutions in Fostering Innovation and Entrepreneurship" during 04-09-2020 to 08-09-2020 in online mode for students and faculty members of various institutions.
    • Organized HACKATHON 2020 on 27-02-2020 in association with the State Council of Science, Technology & Environment (SCSTE) Meghalaya with the support of TEQIP - III to address the following prime focused areas of the state of Meghalaya.
      • Soil and water conservation
      • Water supply and sanitation
      • Farming

               In each area two best proposals has been awarded with an amount Rs. 20,000.00 and Rs. 10,000.00. The total an amount Rs. 90,000.00 has been distributed                 to the winners of the event.

    • Organized an internal Hackathon for the problems which were given in the Smart India Hackathon 2020 for encouraging the students to participate in that event and six proposals were shortlisted and submitted to the Smart India Hackathon 2020.
    • Organized "INNOVATHON - 2019" which was held on 28-08-2019, in this event students and faculty members of NIT Meghalaya and also from other Organizations/Institutions presented project proposals for solving the livelihood problems of the state of Meghalaya. Out of the presented proposals 15 projects were shortlisted and finance support of Rs. 11,21,469.00 has been provided by the State Council of Science, Technology & Environment (SCSTE), Meghalaya under Scheme Sponsored Projects 2019.
    • Organized a workshop on “Advancements in Signal Processing and Optimization Technique”, Funded by E&ICT Academy, IIT Guwahati, at NIT Meghalaya, 03-07 June 2019.
    • Oraginized a IEEE Technically Co-sponsored Int. Conference on Innovations in Electronics, Signal Processing and Communication (IESC) as Convener at National Institute of Technology Meghalaya, Shillong, India during 1 - 2 March 2019.
    • Organized a workshop on “ANN and Deep Learning”, Funded by E&ICT Academy, IIT Guwahati, at NIT Meghalaya, 11- 15 June 2018.
    • Organized a workshop on “Big Data Analytics”, Funded by E&ICT Academy, IIT Guwahati, at NIT Meghalaya, 21- 25 May 2018.
    • Organized a workshop on “Signal Processing Algorithms for Real-Time Applications”, Funded by TEQUIP-III, at NIT Meghalaya, 23-27 March 2018.
    • Oraginized a IEEE Technically Co-sponsored Int. Conference on Innovations in Electronics, Signal Processing and Communication (IESC) as General chair at National Institute of Technology Meghalaya, Shillong, India during 6 -7 April 2017.
    • Organized a workshop on “Future Challenges in Wireless Communication and Signal Processing”, Funded by the Department of Science Technology (DST), Govt of India, at NIT Meghalaya, 07-08 August 2015.

    Workshops/Symposiums Attended:

    • Participated in the Winter School of Speech and Audio Processing 2018 (WiSSAP 2018) at IIT Guwahati, India during 19 – 22 January 2018.
    • School on automatic speech recognition at Indian Institute of Technology Guwahati, India, from 16 - 28 May 2017.
    • Workshop on Internet of Things: A Gateway to Smart and Intelligent Future at National Institute of Technology Meghalaya, Shillong, India during 4 -5 November 2016.
    • Participated in IEEE International Symposium on 5G organized by IIT Patna in collaboration with the Center for Tele InFrastruktur, Aalborg University, Denmark, IIT Patna, From 28 to 31 March 2016.
    • Workshop on Accreditation and Transformation of Technical Education at National Institute of Technology Meghalaya, Shillong, India during 22 - 23 January 2016.
    • Workshop on Interdisciplinary research on language and speech in Northeast India at Indian Institute of Technology Guwahati, India, from 28 Feb. - 1 March 2015.
    • Attended a workshop on “Research Challenges in Reversible and Quantum Computing” organized by CSE Department, NIT Meghalaya, From 19 to 20th March 2015.
    • Attended a one day workshop on "Smarter Systems ZYNQ 7000" in Chennai on 20 March 2014.
    • Workshop on Interdisciplinary research on language and speech in Northeast India at Indian Institute of Technology Guwahati, India, from 28 Feb. - 1 March 2015.
    • Attended a workshop on “Research Challenges in Reversible and Quantum Computing” organized by CSE Department, NIT Meghalaya, From 19 to 20th March 2015.
    • Attended a one day workshop on "Smarter Systems ZYNQ 7000" in Chennai on 20 March 2014.
    • Attended a seminar on "Reliability Techniques - Standardization and Applications", at SAMEER-CEM, Chennai, 19 March 2014.
    • Short term course on FPGA based design at the National Institute of Electronics & Information Technology, Chennai, India during 23- 31 January 2013.
    • Two-day Workshop on Verilog Programming & Implementation at Gudlavalleru Engineering College, Andhra Pradesh, India during 27-28 October 2007.
    • Participated in a One day workshop on “Signal processing and its applications” IETE Vijayawada local center, 25 March 2007.
    • Participated in a Two-day Workshop on “VLSI Design” organized by the ECE Department of Gudlavalleru Engineering College during 9-10 February 2007.
    • Refresher course on VLSI Design and Embedded Systems at Jawaharlal Nehru Technological University, Hyderabad, India during 17 October – 8 November 2005.
    • A two-day Industrial Training program on “VLSI Design” at Qual Core Logic Ltd., (India), Hyderabad during 6-7 September 2005.
    • One week workshop on Instructional Design and Delivery at Gudlavalleru Engineering College, Andhra Pradesh, India during 21-26 April 2003.

    Technical Presentations:

    • Delivered an expert lecture in Five Days FDP Internet of Everything (IoE) organized by Academic Staff College in association with School of Electronics Engineering of VIT Vellore from 16 - 20, May 2022.
    • Delivered a talk on "Noise Reduction Techniques," in the workshop on "Signal Processing for Cognitive Science Applications" sponsored by AICTE Training and Learning (ATAL) Academy from 17 - 21 January 2022 at NIT Meghalaya.
    • Delivered a talk on " Research and development in usage of machine learning for acoustic signal processing," in the workshop on "Application of Machine Learning for Communication and Signal Processing" being organized by Dept. of Electronics and Communication Engineering, NIT Meghalaya during 22 -26, November 2021.
    • Participated as a panellist for reviewing the faculty development programmes organized undet AAICTE Training And Learning (ATAL) Academy, 2020. 
    • Delivered invited talk on "Research on Interpretation of Signals and Processing", in the online faculty development program on "Recent Trends in Communication and Signal Processing " organized by Tirumula Engineering College (Autonomous, JNTU Kakinada), India, 12-16 June 2020.
    • Delivered a guest lecture on "Concepts - Advanced Digital Communications", at VIT University, Chennai campus, Tamilnadu, on 24 October 2013.
    • Delivered a lecture on "MATLAB and its Applications in Engineering", in Institute of Science and Technology, Andhra Pradesh, July 2012.
    • A resource person in one-week refresher course on “Pulse and Digital Circuits" and delivered a lecture on sampling gates and synchronization & frequency, Gudlavalleru Engineering College, Andhra Pradesh, November 2011.
    • Delivered a Technical Talk on "Noise and applications", for the State Level Workshop on "Basic Simulation: A Platform Approach" organized by Dept. of ECE, Jayaprakash Engineering, A.P., 7-8 July 2010.

    Projects

    Sponsored Projects:

    S.No. Title of the Project                                                                                                                                                                 Role (PI/Co-PI) Sponsoring Agency Duration                          Project Budget (INR)
    1 Development of Algorithms for Voice-Based Assistive Technologies for Disabled Persons  (VAJRA Faculty Scheme) PI SERB, DST  Approved 1000000
    2 Phonetic and prosodic analysis of Khasi language PI SERB, DST  2018 - 2021 1613280
    3 Masking of interfering sounds in a crowded environment for hearing aid applications PI SERB, DST 2019 - 2022 2346447
    4 Dialects Identification of Khasi Language PI TEQIP - III 2019- 2021 210000
    5 Post-processing of NQR signals in digital domain in FPGA Co-PI BRNS, DAE 2018 - 2021 2003000

     

     

     

     

     

     

     

     

     

     

    Awards and Honors

    Membership in Professional Bodies:

    • Senior Member, IEEE         - 91141901
    • Fellow, IETE                       - 198767
    • Member, ISCA                    - 16928

     

    Awards: 

    2011 - Received BEST PAPER AWARD in IEEE Technically Sponsored National Conference on "Emerging Trends and Applications in Computer Science (NCETACS-2011)", Shilling, and March 2011.

    Additional Responsibility
    • Warden for four blocks of the Institute Hostels from 01-01-2023 to 30-06-2023.
    • Overall in-charge of all hostels for CC cameras from 01-01-2023 to till date.
    • Warden for Vikramasarabhai Hall of Residence from 01-07-2023 to 30-06-2024.
    • Member, Ranking Sub-Committee (Teaching, Learning and Resources) from 19-06-2023 to till date.

    Additional Responsibilities at Earlier Organizations:

    • Coordinator, UG admissions at National Institute of Technology Meghalaya, for the academic years 2020 and 2021.
    • Chairman and Professor In-Charge, Centre for Innovation, Incubation and Entrepreneurship, NIT Meghalaya from 2019 to 2022.
    • Head of the Electronics and Communication Engineering Department, National Institute of Technology Meghalaya, from June 2017 to June 2019 and from July 2022 to August 2022.
    • Chairman of the Library Committee, National Institute of Technology Meghalaya, from March 2015 to 2017.
    • Chairman, Departmental Research Committee (DRC), ECE Department, NIT Meghalaya, from July 2017 to June 2019.
    • Special Invitees, SENATE, NIT Meghalaya from July 2017 to June 2019.
    • Member, Academic Program Committee (APC), NIT Meghalaya from July 2017 to June 2019.
    • Member of Screening committee for various technical posts at NIT Meghalaya.
    • Member in formulating the required steps to implement, the recommendations of the Academic Audit Committee in the Dept. of ECE, Member in a committee for implementation of recommendations of the Academic Audit Committee, for academic year 2015 - 2016.