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Prof. Chevula Venkata Rama Rao

PhD (JNTU Hyderabad)

Associate Professor

Department of Electronics and Communication Engineering

Room No: EC 213   +91-870-2464131
chvramarao@nitw.ac.in Edit Profile Bio Sketch

Research Areas

 Acoustic Signal Processing 

 Machine Learning Algorithms for Signal Processing 

 Pattern Recognition 

 Signal Processing Issues in Advanced Communication Systems 

 Speech and Signal Processing 

 Underwater Acoustic Signal Processing 

  • Courses Handled
  • Research IDs
  • Selected Publications
  • Project/Consultancy
  • Current PhD Students
  • Awards and Accolades
  • Additional Responsibilities
  • Digital Signal Processing(EC301)
  • Summer Internship /EPICS(EC449)
  • DSP and Electronic Instrumentation Lab(EC305)
  • ADSP Techniques Lab(EC36009)
  • Advanced DSP Techniques(EC36021)
  • Probability Theory and Stochastic Processes(EC255)
  • Machine Learning and Applications(EC5118)
  • VLSI DSP Architectures(EC5168)
  • Joy of Electronics(EC153)
  • Electronic Devices and Circuits Laboratory(EC102)
  • FPGA based design Lab(EC257)
  • Electronic Circuit Design and Simulation(EC152)
  • Google Scholar ID: https://scholar.google.co.in/citations?user=CIw0vqMAAAAJ&hl=en


  • Multichannel CNN-BLSTM Architecture for Speech Emotion Recognition System by Fusion of Magnitude and Phase Spectral Features using DCCA for Consumer Applications, By G. A. Prabhakar, B. Basel, A. Dutta and Ch V. Rama Rao, IEEE, IEEE Transactions on Consumer Electronics, vol.69, pp.226 - 235, 2023
  • Improving the performance of ASR system by building acoustic models using spectro-temporal and phase based features, By Anirban Dutta, Ashishkumar, G., and Ch. V. Rama Rao, Springer, Circuits, Systems, and Signal Processing, vol., pp.1609 - 1632, 2022
  • Performance analysis of ASR system in hybrid DNN-HMM framework using a PWL euclidean activation function, By Anirban Dutta, Ashishkumar, G., and Ch. V. Rama Rao, Springer, Frontiers of Computer Science, vol., pp.1 - 11, 2021
  • Designing of Gabor filters for spectro-temporal features to improve the performance of ASR system, By Anirban Dutta, Gudmalwar Ashishkumar and Ch. V. Rama Rao, Springer, International Journal of Speech Technology, vol., pp.1 - 13, 2019
  • Improving the performance of the speaker emotion recognition based on low dimension prosody features vector, By Ashishkumar Prabhakar Gudmalwar, Ch. V. Rama Rao and Anirban Dutta, Springer, International Journal of Speech Technology, vol., pp.521 - 531, 2019
  • Performance analysis of blind source separation using canonical correlation, By V. Anil Kumar, Ch. V. Rama Rao, and Anirban Dutta, Springer, Circuits, Systems, and Signal Processing, vol.37, pp.658 - 673, 2018
  • Unsupervised noise removal technique based on constrained NMF, By V. Anil Kumar, Ch. V. Rama Rao, Institution of Engineering and Technology, IET Signal Processing, vol.11, pp.788 – 795, 2017
  • peech Enhancement Using Sub-band Cross-correlation Compensated Wiener Filter Combined with Harmonic Regeneration, By Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, Elsevier, International Journal of Electronics and Communications, vol.66, pp.459 - 464, 2012
  • A Novel SSA-NLLSF Approach for Denoising NQR Signals, By K. Thulasiram Varma, Rangababu Peesapati, Ch. V. Rama Rao, A. K. Rajarajan, Makarand Dixit & Gopal Joshi , Springer, Applied Magnetic Resonance, vol., pp.1601 - 1613, 2021
  • Single Channel Speech Enhancement using Masking based on Sinusoidal Modeling, By Ashishkumar Gudmalwar and Ch V Rama Rao, Springer, SN Computer Science, vol.4, pp.1 - 8, 2023

Development of Algorithms for Voice-Based Assistive Technologies for Disabled Persons (VAJRA Faculty Scheme)

  • Role Principal Investigator
  • Type Research
  • Sponsor SERB, DST
  • Duration 24 Months
  • Project Cost (INR) 1000000
  • Status Ongoing

Development of Algorithms for Automatic Detection and Classification of Objects in Underwater Passive SONAR Applications.

  • Role Principal Investigator
  • Type Research
  • Sponsor IIT Guwahati TIDF
  • Duration 36 Months
  • Project Cost (INR) 2842560
  • Status Ongoing

Development of Computational Models to Detect Mental Disorders by Analyzing Brain Activations for the Emotional States

  • Role Principal Investigator
  • Type Research
  • Sponsor Ministry of Education/NIT Warangal
  • Duration 23 Months
  • Project Cost (INR) 500000
  • Status Ongoing

Masking of interfering sounds in a crowded environment for hearing aid applications

  • Role Principal Investigator
  • Type Research
  • Sponsor SERB, DST
  • Duration 40 Months
  • Project Cost (INR) 2346447
  • Status Completed

Dialects Identification of Khasi Language

  • Role Principal Investigator
  • Type Research
  • Sponsor TEQIP - III
  • Duration 24 Months
  • Project Cost (INR) 210000
  • Status Completed

Phonetic and prosodic analysis of Khasi language

  • Role Principal Investigator
  • Type Research
  • Sponsor SERB, DST
  • Duration 36 Months
  • Project Cost (INR) 1613280
  • Status Completed

Post-processing of NQR signals in digital domain in FPGA

  • Role Co-Principal Investigator
  • Type Research
  • Sponsor BRNS, DAE
  • Duration 36 Months
  • Project Cost (INR) 2003000
  • Status Completed


Ajay Kumar Naik G

  • Area of Research: Localization and tracking of of underwater acoustic sources

J Venkatesh

  • Area of Research: Analyzing of brain activations for estimation of emotions

Keerthipati Thulasiram Varma

  • Area of Research: Hardware Implementation of Signal Processing Algorithms

S Vidya Rani

  • Area of Research: Enhancement of underwater acoustic signals

Thriveni Katukoori

  • Area of Research: Signal Processing
  • Incharge, Digital Signal Processing Laboratory (Continuing from July, 2024)
  • Incharge, Integrated Circuits Laboratory (Continuing from July, 2024)
  • Faculty Advisor (Continuing from February, 2024)
  • Warden for Vikramasarabhai Hall of Residence (Continuing from July, 2023)
  • Member, Ranking Sub-Committee (Teaching, Learning and Resources) (Continuing from June, 2023)
  • Warden for four blocks of the Institute Hostels (January, 2023 - June, 2023)