Electronics & Communications
+91-80-26721983 Extn 741

Dr. Purushotham U

Associate Professor

Dr. Purushotham. U obtained his PhD in Electrical and Electronics Engineering Sciences from Visvesvaraya Technological University, Belgaum in 2019 , M.Tech in Electronics from VTU, Belgaum in 2003 and B.E in Electronics and Communication from Bangalore University in 2000. He has a Teaching experience over 18 years and research experience of over 8 years. He is a member of IET and life member of ISTE. His areas of interest are Speech Processing, Signal Processing and Communication Engineering.


  • BE, Bangalore University 2000
  • M Tech, VTU 2003
  • PhD, VTU 2019


  • Assistant Professor, SMU, 2009-2011
  • Sr.Lecturer, DSCE, 2007 -2009
  • Lecturer, PESIT, 2005-2007
  • Lecturer, CIT, 2003-2005
  • Network Analysis
  • Signals and Systems
  • Digital signal Processing
  • Control Systems
  • Information Theory and coding
  • Communication Engineering
  • Analog and Digital Electronics
  • DSP Processor Arch and Programming
  • Advance DSP
  • Broad band Communication
  • Multirate systems and Filter banks
  • Class in-charge
  • Prakalpa Co-ordinator :ECE Dept
  • Infrastructure Co-ordinator
  • ECE Minor Co-ordinator
  • NAAC Coordinator of ECE Department

Research Interest

  • His area of Research includes Speech Processing, Signal Processing and Communications
  • He has Presented and published Papers in various conferences and Journals


  • "Implementation of Encryption and Decryption Algorithms for Security of Mobile Devices" in IEEE Conference International Conference on Communication Technology (ICCT) Xi'an China, 2019
  • "Design and Simulation of Digital Filters for Speech Processing" International Conference (Online) (IC RTEETIMP-2020), December 2020,Bangalore
  • "Identification of Ambulance Siren sound and Analysis of the signal using statistical method," 2020 International Conference on Intelligent Engineering and Management (ICIEM)
  • "Speech Enhancement Using Semi-Supervised Learning," 2020 International Conference on Intelligent Engineering and Management (ICIEM), London, UK
  • "Soft Audible Noise Masking in Single Channel Speech Enhancement for Mobile Phones," 2020 International Conference on Computation, Automation and Knowledge Management (ICCAKM), Dubai, United Arab Emirates, 2020,
  • "Cepstral Domain Approach to Enhance Noisy Speech and Increase Intelligibility for Mobile Communication"2nd International Conference on Advances in Electronics, Computers and Communications (ICAECC) Feb 2018
  • "Feature Extraction in Enhancing Speech Signal For Mobile Communication"IICIP-2016 IEEE Conference, Delhi Technological University, Delhi, Aug 2016
  • " Development of Efficient VLSI Architecture for Speech Processing in Mobile Communication"ICCCSP-2017 IEEE Conference, SSN College of engineering, Chennai ,Jan 2017.
  • "Text line segmentation using Vector Quantization incorporated cluster density analysis" , International Conference on Convergence of Science and Technology at TJIT, 2015 Bangalore.
  • "Implementation of efficient serial-parallel decoder architecture for IEEE 802.11ad LDPC code" International Conference on wireless Communication and Embedded Systems, NITTE 2015,Bangalore
  • " Design and Implementation of convolution interleaver" International Conference on emerging trends in Engineering 2015 , DSCE,Bangalore
  • "Modified Spectral Subtraction Scheme for Enhancing Speech Signal" in 3rd National Conference on Networking, Embedded and Wireless Systems (NEWS 2014).
  • "Energy Efficient wireless sensor network for smart buildings" in National conference organized by Dr.AIT, Bangalore, April 2011
  • "Problems and Solutions in wireless networks for Smart buildings" in International conference organized by NITTE, Karkala, May,2011


  • Semi-Supervised Learning to Enhance speech signal For Mobile Communication" SN Computer Science, Springer Publication, Vol 1 Computer Science 2020.
  • "Implementation of Spectral Subtraction using Sub band filtering in DSP C6748 Processor for Enhancing Speech Signal" Advances in Machine Learning and Data Science , Springer Singapore publisher ,Vol 705, ISBN 978-981-10-8568-0, Mar 2018.
  • Adaptive Spectral Subtraction to Improve Quality of Speech in Mobile Communication" International Journal of Communications and Distributed Systems, Inder science Publishers, Vol 18, Nov 2017
  • " Implemetation of LMS-ALE filter using Vedic algorithm" Journal of Electrical and Electronic systems Aug 2016
  • "Modified Spectral Subtraction Scheme for Enhancing Speech Signal" International Journal of Advanced Information Science and Technology (IJAIST) ISSN: 2319 - 2682.
  • "Spectral Processing Methods for Degraded Speech Signal" In CIIT International Journal on Digital Signal Processing (CIIT) ISSN 0974-9594 Volume: 6; Aug 2014 Edition