Information
Key Notes
- Journal(s): 12
- Conference(s): 25
- Book Chapter(s): 2
- Educational Package(s): 3
- PhD: Current - 5 Awarded - 3
42
PUBLICATIONS8
DOCTORAL STUDENTS7
PROJECTSResearch 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
EDUCATION QUALIFICATION
| Degree | Institute | Year |
|---|---|---|
| Doctor of Philosophy | JNTU Hyderabad | 2013 |
| Master of Technology | JNTU Hyderabad | 2007 |
| Bachelor of Technology | Nagarjuna University | 2000 |
COURSES HANDLED
| Course | L-T-P | Credit | Degree Level |
|---|---|---|---|
| Machine Learning for Signal Processing(EC16025) | 3-0-0 | 3 | PG |
| Digital Signal Processing(EC301) | 3-0-0 | 3 | UG |
| Digital Communications(EC352) | 3-0-0 | 3 | UG |
| Probability Theory and Stochastic Processes(EC1204) | 3-0-2 | 4 | UG |
| Advanced DSP Techniques(EC36021) | 3-0-0 | 3 | PG |
| Machine Learning and Applications(EC5118) | 3-0-0 | 3 | PG |
| VLSI DSP Architectures(EC5168) | 3-0-0 | 3 | PG |
RESEARCH IDs
Google Scholar ID
PUBLICATIONS
Journal(s)
Hardware Acceleration of Singular Spectral Analysis: A Case Study on NQR Spectroscopy,
By K. Thulasiram Varma, Rangababu Peesapati, and Ch. V. Rama Rao,
Electronics Journal ,
Electronics Journal ,
vol. 29,
pp.22 - 30,
2025
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
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
Audio source separation by estimating the mixing matrix in underdetermined condition using successive projection and volume minimization,
By V. Anil Kumar, Ch. V. Rama Rao, and N. Leema,
Springer Nature,
International Journal of Information Technology ,
vol.15,
pp.1831–1844,
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
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
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
Conference(s)
A Vision-Based End-to-End System for Prediction of Steering Angle and Speed of Autonomous Vehicle Under Dynamic Environments
By K. Thriveni, P. Vinay and Ch. V. Rama Rao,
Second International Conference on Information Technology and Intelligence (ITI 2025),
2025
A Light-Weight CNN-Transformer Based Framework for Dynamic Sign Language Recognition
By Ajay Kumar Naik, Imon Kumar Biswas and Ch. V. Rama Rao,
International Conference on Recent Innovations and Trends in Electrical & Electronics Engineering and Computing (RITEEC-2025),
2025
Real Time Sign Language Recognition Using MediaPipe and Random Forest Classifier
By Ajay Kumar Naik G, Imon Kumar Biswas, Ch. V. Rama Rao,
IEEE Region 10 Conference 2025, (TENCON 2025),
2025
Emotion Recognition with EEG Signals using Transformer-based Trainable Adjacency Matrix and Graph Convolutional Network
By Harishwar S, Rahul V, Sujan G, Vidya Rani S, and
Ch. V. Rama Rao,
The 10th National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG25),
2025
Prediction of Direction-of-Arrival and Distance for Binaural Sound Sources Using a CRNN-Based Model
By Abhinay Chanda, Gautam Mohanty, Ishaan Sharma,
Thriveni K, Ajay Kumar Naik G and Ch V Rama Rao,
The 10th National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG25),
2025
Single Channel Speech Enhancement System using Convolutional Nbased Autoencoder for Noisy Environments
By R. Buragohain, G. Ashishkumar and C. V. R. Rao,
INDICON - 2022,
2022
The Magnitude and Phase based Speech Representation Learning using Autoencoder for Classifying Speech Emotions using Deep Canonical Correlation Analysis
By Ashishkumar Gudmalwar, Biplove Basel, Anirban Dutta and Ch V Rama Rao,
Interspeech - 2022,
2022
Enhanced Sparse Vector Coding with Limited Pilot Overhead for Short Packet Transmission
By Shravan Kumar Bandari and Ch. V. Rama Rao,
IEEE International Conference on Advanced Communication Technologies and Signal Processing (ACTS),
2021
Phase based spectro- temporal features for building a robust ASR system
By A. Dutta, G. Prabhakar, Ch V Rama Rao,
Interspeech - 2020,
2020
On the Impact of Gabor Phase for Spectro-Temporal Feature Extraction in Building an ASR System
By A. Dutta, G. Prabhakar, Ch V Rama Rao,
1th Annual IEEE Information Technology, Electronics and Mobile Communication Conference (IEMCON),
2020
Estimation of Fundamental Frequency of Noisy Speech Signals using Correlogram based on Subband Filtering
By G. Ashishkumar, Dutta A. and Ch V Rama Rao,
IEEE 6th International Conference on Engineering Technologies and Applied Sciences (ICETAS),
2019
Auditory Inspired Acoustic Model for Hybrid ASR System Using Gammatone Based Gabor Filters
By Dutta A., Ashishkumar G. and Ch V Rama Rao,
19th IEEE International Symposium on Signal Processing and Information (ISSPIT),
2019
Phase-Locked Loop (PLL) Based Phase Estimation in Single Channel Speech Enhancement
By Priya Pallavi and Ch V Rama Rao,
Interspeech - 2018,
2018
Blind speech separation using canonical correlation and performance analysis
By V. Anil Kumar, Ch. V. Rama Rao, Anirban Dutta,
IEEE International Conference CSCITA-2017,
2017
Image Enhancement with the Application of Local and Global Enhancement Methods for Dark Images
By Kambam Bijen Singh, Telajala Venkata Mahendra, Ravi Singh Kurmvanshi and Ch V Rama Rao,
IEEE International Conference on Innovations in Electronics, Signal Processing and Communication (IESC 2017),
2017
Implementation of OFDM and Pulsed-OFDM
By Kambam Bijen Singh, Sheikh Wasmir Hussain, Telajala Venkata Mahendra and Ch V Rama Rao,
IEEE 15th International Conference on Information Technology (ICIT),
2016
Low-power structures of digital matched filter for direct sequence spread spectrum systems
By Avadhesh Kumar, Ch V Rama Rao,
IEEE WISPNET 2016,
2016
Implementation of code synchronization for CDMA applications using recursive digital matched filter
By Srisakthi.N, Rama Rao.Ch.V and Vidya.M,
2014 International Conference on Communication and Signal Processing,
2014
Speech Enhancement Using Perceptual Wiener Filter Combined with Unvoiced Speech – A New Scheme
By Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao,
Recent Advances in Intelligent Computational Systems (RAICS-2011),
2011
Speech enhancement using crosscorrelation compensated multi-band Wiener filter combined with constrained perceptual weighting filter
By Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao,
IEEE Technically Sponsored National Conference on Emerging Trends and Applications in Computer Science (NCETACS-2011),
2011
A Novel Two Stage Single Channel Speech Enhancement Technique
By 18. Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao,
INDICON - 2011,
2011
Electronic Control Unit for an Adaptive Cruise Control System in a Car Using Electronic Fuel Injection
By Vargil Vijay. E, Ch.V. Rama Rao, G.N. Swamy and M. Kamaraju,
Int. Conference on Next Generation Communication and Computing Systems ( ICNGC2S-10),
2010
A modified Wiener filter combined with perceptual weighting for speech enhancement
By Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao,
Second International Conference on Intelligent Human Computer Interaction,
2010
Noise estimation for speech enhancement in non-stationary environments- a new method
By Ch.V.Rama Rao, Gowthami.A, Harsha.D, Rajkumar.L, M.B.Rama Murhty, K. Srinivasa Rao and K.Anitha Sheela,
International Conference on Signal and Image Processing, (ICSIP-2010),
2010
A new technique for street noise reduction in signal processing applications
By Ch.V.Rama Rao, M.B.Rama Murthy and K.Anitha Sheela,
TENCON-08,
2008
Book Chapter(s)
Single Channel Speech Enhancement Using Masking Based on Sinusoidal Modeling
By Rantu Buragohain, R. Aditya Reddy, Yenduri Venkatesh, Gudmalwar Ashishkumar Prabhakar, and Ch. V. Rama Rao in
Recent Trends in Image Processing and Pattern Recognition,
Springer,
Communications in Computer and Information Science,
2021
Extraction of Temporal Features on Fibonacci Space for Audio Based Vehicle Classification
By Amandeep Sinha, S. Hemanth Kumar, Gudmalwar Ashishkumar Prabhakar, and Ch V. Rama Rao in
Recent Trends in Image Processing and Pattern Recognition,
Springer,
Communications in Computer and Information Science,
2021
Educational Package
Mathematical Foundations for Array Signal Processing and Its Applications
By Dr. Ch. V. Rama Rao and Prof. Israel Cohen,
2024
AICTE Training And Learning (ATAL) Academy sponsored Online Faculty Development Programme
By Dr. Ch V Rama Rao,
2022
AICTE Training And Learning (ATAL) Academy sponsored Online Faculty Development Programme
By Dr. Ch. V. Rama Rao,
2021
PROJECT / CONSULTANCY
Development of Algorithms for Voice-Based Assistive Technologies for Disabled Persons (VAJRA Faculty Scheme)
Role:
Principal Investigator
Type: Research
Sponsor: SERB, DST
Project Cost (INR): 3256787
Date of Commencement: 30-04-2026
Duration: 24 Months
Status: Ongoing
Type: Research
Sponsor: SERB, DST
Project Cost (INR): 3256787
Date of Commencement: 30-04-2026
Duration: 24 Months
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
Project Cost (INR): 2842560
Date of Commencement: 20-02-2024
Duration: 36 Months
Status: Ongoing
Type: Research
Sponsor: IIT Guwahati TIDF
Project Cost (INR): 2842560
Date of Commencement: 20-02-2024
Duration: 36 Months
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
Project Cost (INR): 500000
Date of Commencement: 01-05-2024
Duration: 23 Months
Status: Ongoing
Type: Research
Sponsor: Ministry of Education/NIT Warangal
Project Cost (INR): 500000
Date of Commencement: 01-05-2024
Duration: 23 Months
Status: Ongoing
Masking of interfering sounds in a crowded environment for hearing aid applications
Role:
Principal Investigator
Type: Research
Sponsor: SERB, DST
Project Cost (INR): 2346447
Date of Commencement: 03-03-2019 Date of Completion: 01-07-2022
Duration: 40 Months
Status: Completed
Type: Research
Sponsor: SERB, DST
Project Cost (INR): 2346447
Date of Commencement: 03-03-2019 Date of Completion: 01-07-2022
Duration: 40 Months
Status: Completed
Dialects Identification of Khasi Language
Role:
Principal Investigator
Type: Research
Sponsor: TEQIP - III
Project Cost (INR): 210000
Date of Commencement: 15-11-2019 Date of Completion: 13-11-2021
Duration: 24 Months
Status: Completed
Type: Research
Sponsor: TEQIP - III
Project Cost (INR): 210000
Date of Commencement: 15-11-2019 Date of Completion: 13-11-2021
Duration: 24 Months
Status: Completed
Phonetic and prosodic analysis of Khasi language
Role:
Principal Investigator
Type: Research
Sponsor: SERB, DST
Project Cost (INR): 1613280
Date of Commencement: 10-08-2018 Date of Completion: 09-08-2021
Duration: 36 Months
Status: Completed
Type: Research
Sponsor: SERB, DST
Project Cost (INR): 1613280
Date of Commencement: 10-08-2018 Date of Completion: 09-08-2021
Duration: 36 Months
Status: Completed
Post-processing of NQR signals in digital domain in FPGA
Role:
Co-Principal Investigator
Type: Research
Sponsor: BRNS, DAE
Project Cost (INR): 2003000
Date of Commencement: 18-06-2018 Date of Completion: 17-06-2021
Duration: 36 Months
Status: Completed
Type: Research
Sponsor: BRNS, DAE
Project Cost (INR): 2003000
Date of Commencement: 18-06-2018 Date of Completion: 17-06-2021
Duration: 36 Months
Status: Completed
RESEARCH FELLOWS / PhD STUDENTS
Current PhD Students
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
Previous PhD Students
G. Ashishkumar Prabhakar
(2022)
Area of Research:
Speech Emotion Recognition
Anirban Dutta
(2020)
Area of Research:
Speech Processing
V.Anil Kumar
(2019)
Area of Research:
Source Separation
CONFERENCE / WORKSHOP / SYMPOSIUM / SHORT TERM COURSE / FACULTY DEVELOPMENT PROGRAMME
ADDITIONAL RESPONSIBILITIES
- Time Table Incharge (Continuing from November, 2025)
- Incharge, Digital Signal Processing Laboratory (Continuing from July, 2024)
- Incharge, Integrated Circuits Laboratory (July, 2024 - June, 2025)
- Faculty Advisor (July, 2024 - June, 2025)
- Faculty Advisor (February, 2024 - June, 2025)
- Warden for Vikramasarabhai Hall of Residence (July, 2023 - June, 2024)
- Member, Ranking Sub-Committee (Teaching, Learning and Resources) (June, 2023 - June, 2024)
- Warden for four blocks of the Institute Hostels (January, 2023 - June, 2023)
Last updated on December 29, 2025