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      Profile
       About
        Research Interest
      Gallery
      Funded Projects
      Student Projects
      PhD Scholars
      Publications
      Patents

        Prof. Arun Kumar

        Professor
        Indian Institute of Technology Delhi


      About


Would you like a receipt? achat calandre renault pour duster The new Haswell processors, which are already found in the new MacBook Air, offer small improvements in terms of processor speed, but they make the device consume much less power compared to previous models.



  1. Digital signal processing.

  2. Underwater and air acoustics.

  3. Human and machine speech communication technologies.

  4. Multi-sensor data fusion for mobile and wearable devices, and IoT.

Current Activities

  1. Underwater and air acoustic vector sensors.

  2. Acoustics based detection and localization in air and underwater media.

  3. Sonar signal processing algorithms.

  4. Speech analytics.

  5. Context awareness using multi-sensor data fusion.

  6. Underwater navigation algorithms.




Sponsored Reasearch Projects

  1. PI: R. Bahl, Co-PI: A. Kumar, M. Agarwal, "Multi-target location estimation using LOFIX and least squares methods with distributed DIFAR sonobuoys", 2015-16.

  2. PI: A. Kumar, Co-PI: R. Bahl, M. Agarwal, "Implementation and performance comparison of estimation methods for DIFAR sensors", 2014-2015.

  3. PI: M. Agarwal, Co-PI: A. Kumar, R. Bahl, "Study and implementation of TRM based OFDM underwater acoustic communication", 2014-2015.

  4. PI: M. Agarwal, Co-PI: A. Kumar, R. Bahl, "Development of underwater acoustic communication system based on time reversal mirror-Phase 2", 2014-2016.

  5. PI: R. Bahl, Co-PI: A. Kumar, M. Agarwal, "Sonic characteristics of marine species," 2012-2017.

  6. PI: A. Kumar, Co-PI: M. Agarwal, "Studies on snow acoustic reflectometry and development of electronics for stratigraphy and snow water equivalent determination," 2012-2015.

  7. PI: A. Kumar, Co-PI: R. Bahl, M. Agarwal, "State-of-the-art facilities in underwater electronics at CARE, IIT Delhi," 2011-2016.

  8. PI: M. Agarwal, Co-PI: A. Kumar, R. Bahl, "Time-reversal mirrors and MIMO-OFDM underwater communications," 2009-2013.

  9. PI: M. Sharma, Co-PI: A. Kumar, K. Paul, "Framework for intelligent sensor data fusion," Phase I-IV, 2008-2012.

  10. PI: M. Agarwal, Co-PI: A. Kumar, R. Bahl, "Design of block-layered space-time codes," 2008-2011.

  11. PI: A. Kumar, Co-PI: R. Bahl, M. Agarwal, "Realization of prototype low power acoustic signal processor module for remote manned/unmanned platforms," 2007-2012.

  12. PI: A. Kumar, Co-PI: R. Bahl, M. Agarwal, "Design and implementation of target detection module for underwater passive surveillance," 2007-2010.

  13. PI: S. Banerjee, Co-PI: A. Kumar, S. Chaudhury, P. Kalra, S. D.Joshi, "TCS Media Laboratory: Computer Vision based active surveillance." 2006-2007.

  14. PI: A. Kumar, Co-PI: R. Bahl, M. Agarwal, "Upgradation of laboratory facilities in the area of Underwater Electronics at CARE," 2005-2010.

  15. PI: R. Bahl, Co-PI: A. Kumar, M. Agarwal, "Design of platform classifier using multi-sensor data fusion," 2005-2006.

  16. PI: S. Chaudhury, Co-PI:S. D. Joshi, A. Kumar, "E-video: Video information processing with enhanced functionality," 2004-2006.

  17. PI: A. Kumar, Co-PI: R. Bahl, M. Agarwal, "Design of target classification method for passive surveillance sonar," 2003-2006.

  18. PI: S. Tuli, Co-PI: A. Kumar, G. Bose, "Novel studies on propagation and signal processing of thermal waves for defect localization with applications to non-destructive characterization," 2002-2005.

  19. PI: R. Bahl, Co-PI: A. Kumar, "Study and simulation of passive surveillance techniques for autonomous platforms," 2000-2002 (A. Kumar was PI from July 2002 to end of project).

  20. PI: R. Bahl, Co-PI: A. Kumar, "Development of techniques for low probability of intercept secure underwater LAN links," 2000-2002. (A. Kumar was PI from July 2002 to end of project).

  21. PI: R. Bahl, Co-PI: A. Kumar, "Design and development of a prototype compact low-power acoustic signal processor module for remote manned/unmanned platforms," 2000-2003. (A. Kumar was PI from July 2002 to end of project). (A. Kumar was PI from July 2002 to end of project).

  22. PI: A. Kumar, Co-PI: R. Bahl, "Investigations of novel designs for efficient wideband speech and audio coding," 1999-2001.

  23. PI: A. Kumar, Co-PI: R. Bahl, "Design of efficient wideband speech encoding and decoding scheme", 1998-1999.

Consultancy and Technology Development Projects

  1. CI: A. Kumar, Co-CI: R. Bahl, I. N. Kar, “Algorithmic framework for MEMS sensor fusion applications – Phase 3”, 2016-17.

  2. CI: R. Bahl, Co-CI: Arun Kumar, “Development and deployment of Integrated Visual and Acoustic System (IVAS) for conservation of Ganga river dolphins,” 2016-2017.

  3. CI: A. Kumar, Co-CI: R. Bahl, I. N. Kar, “Algorithmic framework for MEMS sensor fusion applications – Phase 2”, 2015-16.

  4. CI: A. Kumar, Co-PI: R. Bahl, I. N. Kar, “Development of multi-sensor data fusion and distribution algorithm with implementation in HLL on COTS hardware”, 2014-17.

  5. CI: A. Kumar, Co-PI: R. Bahl, I. N. Kar, “Algorithmic framework for MEMS sensor fusion applications”, 2014-15.

  6. CI: R. Bahl, Co-CI: A. Kumar, M. Agarwal, "Software for underwater domain awareness," Phase 2, 2012.

  7. CI: A. Kumar, Co-CI: I. N. Kar, R. Bahl, "Development, implementation, and performance comparison of estimation methods for bearings-only tracking of non-maneuvering and maneuvering targets," 2012-2013.

  8. CI: A. Kumar, Co-CI: R. Bahl, A. Kumar, "Simulation studies and evaluation of infrasonic based avalanche localization system," 2010-2012.

  9. CI: R. Bahl, Co-CI: A. Kumar, M. Agarwal, "Software for underwater domain awareness," Phase 1, 2011. 

  10. CI: A. Kumar, Co-CI: R. Bahl, M. Agarwal, "Development of real-time platform radiated noise simulator software using time-varying underwater channel," 2011.

  11. CI: A. Kumar, Co-CI: R. Bahl, M. Agarwal, "Development of real-time platform radiated noise simulator for classifier testing using unbounded underwater channel," 2010.

  12. CI: A. Kumar, Co-CI: R. Bahl, M. Agarwal, "Development of platform radiated noise library for classifier testing," 2010.

  13. CI: A. Kumar, Co-CI: R. Bahl, M. Agarwal, "GMSK modulation and atmospheric noise suppression for VLF communication," 2010-2011.

  14. CI: R. Bahl, Co-CI: A. Kumar, M. Agarwal, "LDPC codes for VLF communication," 2010-2011.

  15. CI: R. Bahl, Co-CI: A. Kumar, M. Agarwal, "Target classifier using active sonar", 2009-2011.

  16. CI: A. Kumar, "Technical consultancy on speech based recognition systems", 2009.

  17. CI: A. Kumar, Co-CI: R. Bahl, "Flexible pattern recognition for ultrasonic signals - step 2," Japan, 2008-2009.

  18. CI: A. Kumar, Co-CI: R. Bahl, "Flexible pattern recognition for ultrasonic signals - step 1", Japan, 2007-2008.

  19. CI: A. Kumar, Co-CI: R.Bahl, M. Agarwal, "Higher order spectrum analysis tools for underwater acoustic signals," 2007-2008.

  20. CI: A. Kumar, Co-CI: R. Bahl, M. Agarwal, "Identification of coupled machinery frequencies from passive sonar data," 2006-2008.

  21. CI: R. Bahl, Co-CI: A. Kumar, M. Agarwal, "Noise filtering and spectral estimation techniques for passive sonar data", 2006-2008.

  22. CI: A. Kumar, Co-CI: R. Bahl, "Formulating realistic criteria for detection of targets by sonars", 2005-2006.

  23. CI: A. Kumar, Co-CI: S. Prakriya, "Modular course in Digital Signal Processing," 2003.

  24. CI: R. Bahl, Co-CI: A. Kumar, "Training simulation software for naval applications", 2002.

  25. CI: R. Bahl, Co-CI: A. Kumar, "DSP Consultation," 2000.

  26. CI: A. Kumar, Co-CI: R. Bahl, "Robust algorithm design for natural quality low bit rate speech coding", 1998-1999.

  27. CI: A. Kumar, Co-CI: R. Bahl, "Algorithm design of speech encoder and decoder at 3.0-4.0 kbps", 1998.

  28. CI: A. Kumar, Co-CI: R. Bahl, "Design of speech coder", 1998.

  29. CI: A. Kumar, Co-CI: R. Bahl, "Algorithm design and DSP implementation of variable rate speech encoder and decoder at 3.0-4.0 kbps", 1997.


MS by Research Thesis

  1. Jackeun Roh, "Language independent keyword spotting from speech and automatic meta-data insertion," co-supervisor: Aaditeshwar Seth, 2012

Masters’ Major Project

  1. Prateek Sarode, “Audio transient detection and classification for context awareness using microphone,” co-supervisor: R. Bahl, 2017.

  2. Avani Kulkarni, “Design and development of spatial environment sensing algorithms using digital microphones,” co-supervisor: R. Bahl, 2017.

  3. Abhishek Bhatnagar, “Sonar simulator – Echo modeling,” co-supervisor: R. Bahl, 2017.

  4. Devendra Yadav, “Realisation of underwater acoustic modem – MELP implementation,” co-supervisor: M. Agarwal, 2017.

  5. Lokesh Dhyani, “Study and implementation of unscented Kalman filter for multi-sensor data fusion,” co-supervsor: R. Bahl, 2017.

  6. Naveen Parkash Shrivastava, “COTS hardware design for multi-sensor data fusion and distribution,” co-supervisor: R. Bahl, 2017.

  7. Ravish Chugh, MSDF – CPCI Hardware, Time Synchronization and High-Availability Clustering, co-supervisor: R. Bahl, 2016.

  8. Anirudh Rana, Automatic Gain Control and detector Module for Time reversal based underwater link, co-supervisor: M. Agarwal, 2016.

  9. Abhilash Kumar S, Sonar Simulator, co-supervisor: R. Bahl, 2016.

  10. Voice communication performance in underwater communication - MELP based implementation, co-supervisor: M. Agarwal, 2016.

  11. Malkeet Lavana, Conceptualization, Design and Implementation of Turn table for Underwater Tank, co-supervisor: R. Bahl, 2016.

  12. Kavindra Sharma, Position independent motion activity classification using MEMES sensors and spatial environment classification using audio signal, co-supervisor: R. Bahl, 2016.

  13. Parul Bansal, Spatial environment impulse response and digital microphone algorithm, co-supervisor: R. Bahl, 2016.

  14. Jasmeen Patel, Transient human activity recognition for context awareness using MEMS sensors, co-supervisor: R. Bahl, 2016.

  15. Rashmi Gupta, Implementation and performance comparison of estimation methods DIFAR sensors and orientation sensor aided beamforming, co-supervisor: R. Bahl, 2016.

  16. Akankshan Ninawe, FEM modeling of acoustic sensor device and development of acoustic hardware system for multiple target detection and localization, co-supervisors: R. Bahl, Anuj Dhawan, 2016.

  17. Abhishek Satish Chakradeo, Design of collision avoidance algorithm for UAV in indoor environment for autonomous flight, co-supervisor: R. Bahl, 2016.

  18. Sanchit Gupta, COMSOL design and Implementation of Prototype Acoustic Vector Sensor, co-supervisor: M. Agarwal, 2015.

  19. Abhay Narayan, Simulator development for Imaging SONAR, co-supervisor: R. Bahl, 2015.

  20. Sumit Gaur, Implementation of Parametric Model of Speech Compression using MELP STANDARD, co-supervisor: M. Agarwal, 2015.

  21. R. P. Singh, Low Power DSP based Underwater Acoustic Surveillance System, co-supervisor: R. Bahl, 2015.

  22. P. P. Vashisht, SONAR simulator in MATLAB, co-supervisor: M. Agarwal, 2015.

  23. Dhritiman Kashyap, Context Awareness using Audio Signal, co-supervisor: R. Bahl, 2015.

  24. Kashif R. J. Meer, Motion Activity Detection using MEMS Sensor, co-supervisor: R. Bahl, 2015.

  25. Arjun Kalgan, Study, design and implementation of prototype acoustic vector sensor for passive estimation of direction of arrival of radiating acoustic signal, co-supervisor: M. Agarwal, 2014. 

  26. Aditya Bhatia, Active sonar classifier, co-supervisor: R. Bahl, 2014.

  27. Hari Om Tyagi, Imaging of tonal sources on a moving platform using instantaneous frequency estimation and passive inverse synthetic aperture technique, co-supervisor: R. Bahl, 2014. 

  28. Shaju Unnikrishnan, Development of simulator for imaging sonar, co-supervisor: R. Bahl, 2014. 

  29. Ashok Kumar, Implementation of RTOS on multi-channel DSP hardware, co-supervisor: R. Bahl, 2014. 

  30. Ch. Ravikumar, Design and development of sound source localization algorithm for meeting room application, co-supervisor: R. Bahl, 2014.

  31. Manish Jain, Experimental study of blind source separation algorithms for acoustic signals, co-supervisor: R. Bahl, 2014.

  32. Arpit Goyal, Hidden Markov Model based text-to-speech synthesis for Hindi.

  33. Akshay Kumar, Emotional speech synthesis, 2013.

  34. K. A. Vikas, Echo modeling and simulator development for imaging sonar, co-supervisor: R. Bahl, 2013.

  35. Joseph Chacko, Development of RTOS and applications on low power acoustic signal processing platform, co-supervisor: R. Bahl, 2013.

  36. Ashish Malik, High speed underwater acoustic communication using MIMO-OFDM technology, co-supervisor: R. Bahl, 2013.

  37. Ashutosh Sharma, Active sonar classifier design and implementation, co-supervisor: R. Bahl, 2013.

  38. Hemant Chauhan, Design and development of compact sonar signal processor- Based on OMAP L138, co-supervisor: R. Bahl, 2013.

  39. Baiju M. Nair, Simulation and optimization of plane waves using Near Field arbitrary placed sensors, co-supervisor: R. Bahl, 2013.

  40. Rohit Aggarwal, Design and Development of Snow Avalanche Detection and Localization System with Field and Laboratory Experiments, co-supervisor: R. Bahl, 2013.

  41. Aditya Malik, Underwater acoustic modem implementation using MIMO-OFDM technology, co-supervisor: R. Bahl, 2012.

  42. Aditya Malik, Underwater acoustic modem implementation using MIMO-OFDM technology, co-supervisor: R. Bahl, 2012.

  43. Sunil Kumar Sharma, Implementation of applications for battery operated sonar on low-power DSP hardware platform, co-supervisor: R. Bahl, 2012.

  44. Anup Singh, Algorithm design and system implementation of underwater acoustic vector sensor, co-supervisor, R. Bahl, 2012.

  45. Akshay Prabhu, Active sonar classifier design and implementation, co-supervisor: R. Bahl, 2012.

  46. Pooja Rathi, Design and development of scaled model of avalanche detection and localization system using infrasonics, R. Bahl, 2012.

  47. Kanike Pratap, Development of underwater sonar applications on OMAP processor, co-supervisor: R. Bahl, 2012.

  48. Ayush Khandelwal, Simulator for imaging sonar, co-supervisor: R. Bahl, 2012.

  49. Pradeep Kumar D., Underwater acoustic communication using OFDM, co-supervisor: R. Bahl, 2012.

  50. Amol Gupta, Magnetic sensor testing for inertial navigation, co-supervisor: Manish Sharma, 2011.

  51. Ritesh Suri, Active sonar classifier - realistic echo formulation and HMM based classifier design, co-supervisor: R. Bahl, 2011.

  52. Manish Kumar, Configuration of DAQ systems for signal processing functions on compact low power DSP hardware, co-supervisor: R. Bahl, 2011.

  53. Ashutosh Sharma, Study of generation of planar wavefront in the near field, co-supervisor: R. Bahl, 2011.

  54. Shekhar Nayak, Text-to-speech synthesis modules for Hindi, co-supervisor: M. Agarwal, 2011.

  55. Mrinal Sinha, Implementation of system controller functions on compact low power multi-DSP hardware platform, co-supervisor: R. Bahl, 2011. Awarded IIT Alumni First Prize in I2 Tech Open House 2011, and FITT Best Industry relevant M.Tech Project 2011.

  56. Anindya Gupta, LDPC codes for VLF communication, co-supervisor: R. Bahl, 2011.

  57. Chandra Shekhar Agan, Underwater acoustic vector sensors, co-supervisor: M. Agarwal, 2011.

  58. Vikram Gupta, Language independent audio search, 2011.

  59. Sukriti Ranjan, Simulation studies on passive array signal, co-supervisor: R. Bahl, 2010.

  60. Kapil Sharma, Realization of underwater acoustic modem, co-supervisor: M. Agarwal, 2010.

  61. Kapil Dev Tyagi, Calibration of underwater sensors and materials, co-supervisor: M. Agarwal, 2011.

  62. Gaurav Sharma, Built-in self test implementation for low power DSP hardware platform, co-supervisor: R. Bahl, 2010.

  63. Hari Parameswaran, Spatial mapping of radiated tonals from moving source using passive inverse synthetic aperture, co-supervisor: R. Bahl, 2010.

  64. Gunjan Pant, Active sonar classifier: realistic echo formulation and HMM based classifier design, co-supervisor: R. Bahl, 2010.

  65. Sahebgowda Patil, Development of interface and driver for external flash memory with TMS320C5510 DSP processor, co-supervisor: R. Bahl, 2010.

  66. Ruchita Gomkale, "Separation of singing voice from music," 2009.

  67. Sharad Bhadula, "Active sonar classifier: Geometric simulation of echo formulation using ray theory," co-supervisor: R. Bahl, 2009.

  68. M. V. Dora, "Realization of low power DSP hardware platform with BIST and development of applications," co-supervisor: R. Bahl, 2009.

  69. Amarendra Kumar, "Passive sonar classification algorithm (Pascal) and dimensionality reduction of feature vector," co-supervisor: M. Agarwal, 2009.

  70. Madhavendra Singh, "Realization of underwater acoustic modem," co-supervisor: M. Agarwal, 2009.

  71. Kartik Audhkhasi, “ Non-intrusive speech quality evaluation using auditory features” 2008,

  72. R. Parthiban, “Active Noise Cancellation” co-supervisor: Prof. R. Bahl, 2008.

  73. Ankita Pal, “Novel UW MODEM design for Mitigation of Dominant Channel Distortions,” co-supervisor: Dr. Monika Aggarwal, 2008.

  74. Ashish Agarwal, “Underwater Acoustic Vector Sensor,” co-supervisor: Prof. R. Bahl, 2008.

  75. Anuj Bhalla, “Realization of High Speed Underwater Modem for Real Time Operations on DSP, ” co-supervisor: Prof. R. Bahl, 2008.

  76. Raghvender Singh, “Hardware Design (Low Power Acoustic Signal Processing Module),” co-supervisor: Prof. R. Bahl, 2008.

  77. Shashank Dubey, “Realization of prototype low power scalable acoustic signal processing module with BIST,” co-supervisor: Prof. R. Bahl, 2007.

  78. Alok Rai, “Study of active sonar intercept data and signal generation for classification application,” co-supervisor: Prof. R. Bahl, 2007.

  79. Santosh Biradar, “Study and implementation of real time QPSK underwater modem,ÃÃÂÃ