ELECTRONICS & COMMUNICATION ENGINEERING

Head of Department

Dr. Pradeep Kumar Rathore
Ph.D(IIT Delhi)

E-mail:
hod.ec@nitm.ac.in

Faculty

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Dr. Ch V Rama Rao Assistant Professor

Ph.D, JNTUH Hyderabad

chvramarao@nitm.ac.in chvramaraogec@gmail.com
9485177069

Research Interest

Speech Technology, Pattern Recognition, Statistical Signal processing, Signal processing issues in Advanced Communication Systems, Design and development of advanced wireless communication systems

Education Qualification

Ph.D, JNTUH Hyderabad

Publications

International Journals:

  • Anirban Dutta, Gudmalwar Ashishkumar and Ch. V. Rama Rao, Designing of Gabor filters for spectrotemporal feature extraction to improve the performance of ASR system, Springer, International Journal of Speech Technology, DOI 10.1007/s10772-019-09650-5.
  • 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, Springer, International Journal of Speech Technology, http://doi.org/10.1007/s10772-018-09576-4.
  • V. Anil Kumar, Ch. V. Rama Rao, and Anirban Dutta, Performance analysis of blind source separation using canonical correlation, Springer, Circuits, Systems, and Signal Processing, Vol.-,, Issue No.-34, Page Nos -1-16, 2017. https://link.springer.com/article/10.1007/s00034-017-0566-x
  • V. Anil Kumar, Ch. V. Rama Rao, Unsupervised noise removal technique based on constrained NMF, IET Signal Processing, Vol.-,, 2017. digital-library.theiet.org/content/journals/10.1049/iet-spr.2016.0414
  • Srisakthi.N, 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, Page Nos -23-28, 2014. iosrjournals.org/iosr-jvlsi/papers/vol4-issue3/Version-2/D04322328.pdf
  • 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, Vol.-1, Issue No.-2, Page Nos -30-35, 2012. scholar.google.co.in/citations?user=CIw0vqMAAAAJ&hl=en
  • 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, Vol.-66, Issue No.-6, Page Nos -459-464, 2012. https://www.infona.pl/.../bwmeta1.element.elsevier-8803733b-4de1-36cf..
  • 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, Vol.-2, Issue No.-2, Page Nos -117-124, 2011. scholar.google.co.in/citations?user=CIw0vqMAAAAJ&hl=en
  • 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, Vol.-2, Issue No.-1, Page Nos -135-149, 2011. www.scilit.net/journals/17233/260/10/Newest
  • 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, Vol.-12, Issue No.-12, Page Nos -13-17, 2011. www.scilit.net/journals/14936/14700/10/Newest
  • 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, Vol.-1, Issue No.-70, Page Nos -739-742, 2010. waset.org/.../noise-estimation-for-speech-enhancement-in-non-stationary...
  • 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, Vol.-2, Issue No.-8, Page Nos -742-745, 2009. www.scirp.org/journal/PaperInformation.aspx?PaperID=822



National Journals:

  • 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, Issue No.-2, Page Nos -24-31, 2010. scholar.google.co.in/citations?user=CIw0vqMAAAAJ&hl=en



International Conferences:

    • 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.
  • 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), Period -April 6-7, Place -Shillong, 2017.
  • V. Anil Kumar, Ch. V. Rama Rao, Blind speech separation using canonical correlation and performance analysis, IEEE International Conference CSCITA-2017, Period -April 7-8, Place -Mumbai, 2017.
  • 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, Page -263-268, 2016. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=7566134
  • kambam Bijen Singh, Sheikh Wasmir, Telajala Venkata Mahendra and Ch V Rama Rao, Implementation of OFDM and Pulsed-OFDM, IEEE 15th International Conference on Information Technology (ICIT), Period -Dec. 22-24, Place -Bhubaneswar, 2016.
  • N.Srisakthi, 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 Processing-ICCSP'2014, Period -April 3-5, Place -Tamilnadu, Page -1223-1227, 2014. ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6950046
  • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, A Novel Two Stage Single Channel Speech Enhancement Technique, INDICON 2011, Period -December 16-18, Place -Hyderabad, Page -1-5, 2011. http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6139375&tag=1
  • 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, Int. Conference on Electronics and Communication Engineering, Period -October 1-3, Place -Bangalore, Page -191-195, 2011. scholar.google.co.in/citations?user=CIw0vqMAAAAJ&hl=en
  • 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, Period -September 22-24, Place -Trivandrum, Page -688-691, 2011. http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=6069398
  • M.Priyanka, Ch.V.Rama Rao, Speech enhancement using self adaptive Wiener filter based on hybrid apriori SNR, Int. Conference on Nanoscience, Engineering & Advanced Computing (ICNEAC-2011), Period -July 8-10, Place -Narsapur, Andhra Pradesh, Page -498-502, 2011.
  • 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), Period -December 3-5, Place -Chennai, Page -143-146, 2010. http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=5706213
  • 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), Period -December 25-26, Place -Chandigarh, Page -191-193, 2010. http://www.ietan.org/icngc2s10/icngc2s10.html
  • 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, International Conference on Signal and Image Processing, ICSIP, World Academy of Science, Engineering and Technology, Period -August 25-27, Place -Singapore, Page -36-38, 2010. waset.org/publication/
  • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, A modified Wiener filter combined with perceptual weighting for speech enhancement,International Conference on Intelligent Human Computer Interaction, Period -January 16-18, Place -Alahbad, Page -205-211, 2010. www.springer.com/in/book/9788132201335
  • Ch.V.Rama Rao, M.B.Rama Murthy and K.Anitha Sheela, A new technique for street noise reduction in signal processing applications, TENCON 2008, Period -November 19-21, Place -Hyderabad, Page -1-5, 2008. ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4766755
  • 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, International Conference on RF and Signal Processing Systems, Period -February 1-2, Place -Vaddeswaram, Guntur, Andhra Pradesh, Page -262-265, 2008. www.kluniversity.in/ece/pdf/20081.pdf
  • Ch.V.Rama Rao, and M.B.Ramamurthy, A new approach for improved performance of hands- free phones, TIES-2007, Period -November 12-14, Place -Chennai, Page -66-68, 2007. www.sathyabamauniversity.ac.in/sitepagetwo.php?firstref=149...67
  • 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, 3rd International Conference ObCom-2006, Period -December 16-19, Place -Vellore, Tamilnadu, Page -91-100, 2006. www.abebooks.com/...3rd-International-Conference-Obcom--2006.../plp



National Conferences:

  • 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), Period -March 4-5, Place -Shillong, Page -1-6, 2011. ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5751399
  • 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), Period -March 4-5, Place -Shillong, Page -1-6, 2011. ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5751399
  • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, Speech enhancement using modified Wiener filter, National Conference, FACE 09, Period -March 19-21, Place -Hyderabad, Page -1-4, 2009.
  • Ch.V.Rama Rao, M.B.Rama Murthy and K.Srinivasa Rao, Speech enhancement using modified Wiener filter, National Conference, FACE 09, Period -March 19-21, Place -Hyderabad, Page -1-4, 2009.


Courses Taught

Previous/Other Semester/Year

  • Advanced Digital Communication, Autumn Semester, 2014
  • RF And Microwave Engineering, Autumn Semester, 2014
  • Fiber Optics Communication , Spring Semester, 2015
  • Advanced Digital Signal Processing, Spring Semester, 2015
  • Advanced Digital Communication, Autumn Semester, 2015
  • Signals & Systems , Autumn Semester, 2015
  • Speech Processing , Autumn Semester, 2015
  • Detection and Estimation Theory, Autumn Semester, 2015
  • Advanced Digital Signal Processing, Spring Semester, 2016
  • Fiber Optics Communication , Spring Semester, 2016

Administrative Responsibility

  • Taking care of administrative issues in the Library, Library Chairman, from 2015 - till date
  • Preparing and monitoring of class routine for ECE Department, Member in Class Routine Committee, from Academic Year 2015-2016
  • Preparing and monitoring of class routine for ECE Department, Member in Class Routine Committee, from Spring semester 2014-2015
  • 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, from 2015-till date
  • To monitor and help the instiute in implementing the reservation policy with regard to the admission of students and the recruitment of teaching and non-teaching staff at various levels, Liaison Officer, from March 2016 - till date
  • Taking care Department activities, HoD, from June 2017 to till date


Work Experience

  • Assistant Professor,Dept. of ECE, NITM

    Teaching and Research & Development
  • Scientist_C, SAMEER-Centre for Electromagnetics, Department of Electronics and Information Technology, Ministry of Communications and Information Technology,Government of India.

    Research and Development in Design and development of Advanced Wireless Communication Systems
  • Professor,Dept. of ECE, K L university, Andhra Pradesh.

    Teaching and Research & Development
  • Associate Professor,Dept. of ECE, Gudlavalleru Engineering College, Gudlavalleru, Andhra Pradesh.

    Teaching and Research & Development
  • Assistant Professor, Dept. of ECE, Gudlavalleru Engineering College, Gudlavalleru, Andhra Pradesh.

    Teaching

Students Supervised/Supervising

  • Ph.D
  • V Anil Kumar, Titel of the thesis: Algorithms for Separation of Acoustic Signals using Blind Source Separation, Thesis Submitted.
  • Anirban Dutta, research on  Speech Recognition, Ongoing
  • G. Ashishkumar, research on Speaker Emotion Recognition, Ongoing
  • M.Tech
  • B Hemanthnag, Title of Thesis: Image watermarking using hybrid wavelets and directional filter banks, 2009
  • Ch Manohar, Title of Thesis: A perceptual cross correlation compensated Wiener filter for speech enhancement, 2009
  • M Priyanka, Title of Thesis: Speech enhancement using selfadaptive Wiener filter based on hybrid apriori SNR, 2011
  • T Munikumar, Title of Thesis: A new speech enhancement technique using perceptual constrained spectral weighting factors, 2011
  • T Subhasini, Title of Thesis: Post-processing technique for speech enhancement combined with statistical estimators of speech and noise, 2011
  • Avadhesh Kumar, Title of Thesis: low-power implementation of synchronizing circuits using correlative methods for wireless application, 2016
  • Arvind Yadav, Title of Thesis: Implementation of orthogonal transform structures, 2016
  • Manash Malakar, Title of Thesis: Hardware implementation of basebad for transceiver for wireless communication, 2016
  • Ravi Singh Kurmvanshi, Title of Thesis:Improve the performance of BSS in audio processing applications based on DoA estimation, 2017
  • Alok Kumar, Title of Thesis: Isolated word recognition using hidden Markov models, 2017
  • Gudmalwar Ashishkumar Prabhakar, Title of Thesis: Developing the algorithm foe pitch and formant estimation for improving the performance of speaker emotion recognition, 2017
  • Pawan Kumar, Title of Thesis: Phonetics based speech segmentation, 2018
  • Priay Pallavi, Title of Thesis:MAP based joint filter gain estimation fro single channel speech enhancement, 2018
  • Nakita Lakyntiew Marbaniang, Title of Thesis: Speech source separation and localization, 201


  • B.Tech
  • Sandeep Kumar Bardeva and Mohir Pradhan, B.Tech, Mixing matrix estimation for source separation in determined environment, 2015-2016
  • Nishant Kumar, B.Tech, Speech signal analysis using orthogonal transformations, 2015-2016

Committee

Sl No.Committee NameContributionDescriptionDuration
1Committee for photography and documentation Committee for the second convocation of the instituteArrangement of photographer, taking care of photography, video shooting on 2nd institute convocation and documentation of the total convocation process as a reference to future convocationsTo take care of photography and documentation of the total process for the second convocationOne month
2Recruitment of Technical Assistant and Multi-Tasking StaffWritten test was conducted and completed evaluation on the same dayExamination CoordinatorOne month
3Scrutinizing committee for Ph.D applications for Spring semester of 2014-2015Scrutinized applications and prepared a short list for written testMemberTwo months
4Advisor for M.Tech (ECE) course registration in the spring semester of 2014-2015Guidance was given to M.Tech (ECE) students in the course registration processAdvisorTwo days
5Scrutinizing committee for the post of Technician (ECE)Scrutinized applications and prepared a short list for written testMemberThree weeks
6Committee for conducting written test for the post of Technician (ECE)Seating arrangement, preparation and evaluationCoordinatorTwo weeks
7Students’ Council Election for the academic year 2015-2016Students’ council election was conducted for the academic year 2015-2016Returning OfficerThree weeks
8Induction program for admitted students in the year 2015Introducing the details of various labs to newly admitted studentsMemberTwo days
9Scrutinizing committee for Ph.D applications for Autumn semester of 2015-2016Scrutinized applications and prepared a short list for written testMemberTwo month
10The selection committee for a technical engineer in ECE Dept. for 2015-2016Interviewing the shortlisted candidatesMemberOne week

Conference/Symposium/Workshop/Seminar Organised

Conference:

Sl No.TitleSponsorsNational/InternationalDurationRole Played
4INTERNATIONAL CONFERENCE ON AEROSPACE ELECTRONICS, ELECTRICAL, COMMUNICATIONS AND INSTRUMENTATION (ASECI-2016)MHRD, Govt. of IndiaInternational22 - 23 October 2017Member in Technical Program Committee
7International Conference on Vision, Image and Signal ProcessingINTERNATIONALACADEMY OF SCIENCE AND ENGINEERING FOR DEVELOPMENTInternational22 - 24 September 2017Member in Technical Committee
10International Conference on Innovations in Electronics, Signal Processing and Communication (IESC)IEEE Kolkata Section, NEC, Shillong and CSIRInternational6 - 7 April 2017Organizing Chair
13International Conference on Trends in Intelligent Electronic SystemsSathyabama University, ChennaiInternational12 - 14 November 2007Presenter
15International Conference on Mobile, Ubiquitous & Pervasive ComputingVIT University, VelloreInternational18 -19 December 2016Presenter
17INDICON 2011IEEEInternational16 - 18 December 2011Presenter
19International Conference on Recent Advances in Intelligent Computational SystemsIEEEInternational22 - 24 September 2011Presenter
21National Conference on Emerging Trends and Applications in COmputer ScienceIEEE and St.Anthony's CollegeNational4 - 5 March 2011Presenter
23International Conference on Intelligent Human Computer InteractionIIIT, AllahabadInternational16 - 18 January 2010Presenter
24Futuristic Advancements on Computing and ElectronicsDeccan College of Engineering and Technology, HyderabadNational19 - 21 March 2009Presenter
25TENCON 2008IEEEInternational18 - 21 November 2008Presenter
26International Conference on RF and Signal Processing SystemsIEEE and KL Univeristy, Andhra PradeshInternational1 - 2 February 2008Presenter



Symposium:

Sl No.TitleSponsorsNational/InternationalDurationRole Played
2IEEE International Symposium on 5GIIT Patna in collaboration with Center for Tele InFrastruktur, Aalborg University, DenmarkInternationalThree days



Workshop:

Sl No.TitleSponsorsNational/InternationalDurationRole Played
1Future Challenges in Wireless Communication and Signal ProcessingDSTNationalTwo daysCo-ordinator
5Research Challenges in Reversible and Quantum ComputingDSTNationalTwo days
8Accreditation and Transformation of Technical EducationNational Institute of Technology MeghalayaNationalTwo days
11Interdisciplinary research on language and speech in Northeast IndiaIIT GuwahatiNationalTwo days
14Smarter Systems ZYNQ 7000XilinxNationalOne day
16FPGA based DesignNIELIT, ChennaiNationalFive days
18Verilog Programming & ImplementationGudlavalleru Engineering College, Andhra PradeshNationalTwo days
20Signal processing and its applicationsIETE Vijayawada local center, Andhra PradeshNationalOne day
22VLSI DesignGudlavalleru Engineering College, Andhra PradeshNationalTwo days



Seminars:

Sl No.TitleSponsorsNational/InternationalDurationRole Played
3Concepts - Advanced Digital CommunicationsVIT University, ChennaiNationalOne day
6MATLAB and its Applications in EngineeringAmrits Sai Institute of Science and Technology, Paritala, Andhra PradeshNationalOne day
9Pulse and Digital CircuitsGudlavalleru Engineering College, Andhra PradeshNationalOne week
12Basic Simulation: A Platform ApproachJayaprakash Engineering College, TelanganaNationalThree days


Additional Responsibility

  • Counselling of the students, Mentor, from Academic Year 2015 - 2016
  • Department Research Committee, Memebr, from Till date
  • Department Academic Committee, Member, from Till date

Funded Research Projects

Sl. No.

Project Title

Sponsoring   Agency

sanctioned Amount

Sanctioned Order no. and Date

Principal Investigator (PI/Co-PI)

Status (Ongoing / Completed / Submitted)

1

Phonetic and Prosodic Analysis of Khasi Language

DST-SERB-

16,13,280

ECR/2017/003169;   20/07/2018

PI

Ongoing

2

Post-Processing of NQR Signals in Digital Domain in FPGA

BRNS, DAE,GoI

20,03,000

34/14/16/2018-BRNS/34103; 15/06/2018

Co-PI

Ongoing

3

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

DST-SERB-

23,46,447

EEQ/2018/001338; 27/02/2019

PI

Ongoing