Assistant Professor

Gyanajyoti Routray

Department of Computer Science and Engineering

Interests

  1. Spatial Audio
  2. Acoustic Signal Processing
  3. Multi-Channel Signal Processing

Faculty Details

Education

2005

Biju Patnaik University of Technology
Rourkela
B.Tech

2010

Biju Patnaik University of Technology
Rourkela
M.Tech

2023

Indian Institute of Technology
Kanpur
Ph.D

Experience

  • June 2023 - Jan 2025 – Project Engineering – India Institute of Technology Kanpur
  • Feb 2010 - July 2016 – Assistant Professor – C. V. Raman College of Engineering, Bhubaneswar ( At present C. V. Raman Global University Bhubaneswar)
  • Dec 2005 - Aug 2008 – O&M Engineering – Ericsson India Pvt. Ltd

Research

  • Acoustic data acquisition and Multi-Channel processing by focusing on technologies related to Microphone arrays, 6DoF Acoustic data for Beamforming, Localization, Tracking, Source enhancement in the challenging Acoustic scenarios.
  • Immersive Audio Rendering and Human Perception using lodspeaker and headphone based immersive audio simulation, acoustic reproduction system, and binaural auditory models.

Membership

  • IEEE

Publications

Journals

  • Gyanajyoti Routray and Rajesh M Hegde, “Sparsity-driven loudspeaker gain optimization for sound field reconstruction with spherical microphone array," Digital Signal Processing, Volume 154, 104688, 2024. ISSN 1051-2004 DOI : https ://doi.org/10.1016/j.dsp.2024.104688.
  • Priyadarshini Dwivedi, Gyanajyoti Routray, Devansh Kumar Jha, and Rajesh M. Hegde, ‘Improving Source Tracking Accuracy through Learning-Based Estimation Methods in SH Domain : A Comparative Study”in IEEE Transactions on Artificial Intelligence, vol. 5, no. 8, pp. 3974-3984, Aug. 2024. DOI : 10.1109/TAI.2024.3355323.
  • Priyadarshini Dwivedi, Gyanajyoti Routray, and Rajesh M. Hegde, “Octant Spherical Harmonics Features for Source Localization using Artificial Intelligence based on Unified Learning Framework”, in IEEE Transactions on Artificial Intelligence, vol. 5, no. 8, pp. 3845-3857, Aug.2024.DOI : 10.1109/TAI.2024.3352530.
  • Gyanajyoti Routray and Rajesh M Hegde, “Near Field Compensation for Spatial Sound Field Reproduction in Spherical Harmonics Domain," Digital Signal Processing. Volume 142, 104203, 2023 DOI : https ://doi.org/10.1016/j.dsp.2023.104203.
  • Priyadarshini Dwivedi, Gyanajyoti Routray, and Rajesh M. Hegde, “Learning based method for near field acoustic range estimation in spherical harmonics domain using intensity vectors", Pattern Recognition Letters, Volume 165, Pages 17-24, 2023 DOI : https ://doi.org/10.1016/j.patrec.2022.11.022.
  • Priyadarshini Dwivedi, Gyanajyoti Routray, and Rajesh M. Hegde, “Spherical harmonics domainbased approach for source localization in presence of directional interference", JASA Express Letters 2, 114802 (2022) DOI : https ://doi.org/10.1121/10.0015243

Conferences

  • G. Routray, P. Dwivedi and R. M. Hegde, “Diversity Minimization Technique for Multiple Measurement Vector based Super-resolution Spatial Audio Imaging," 2023 Forum Acusticum, 10th Convention of the European Acoustics Association, Torin, Italy,pp. 615-621, 2023. DOI : 10.61782/fa.2023.1181
  • P. Dwivedi, G. Routray, S. B. Hazare and R. M. Hegde, “Learning-based Masking for Reliable Source Localization Interfered by Undesired Directional Noise," 2023 Forum Acusticum, 10th Convention of the European Acoustics Association, Torin, Italy, pp. 1757-1764, 2023. DOI : 10.61782/fa.2023.1180
  • G. Routray, S. B. Hazare, P. Dwivedi and R. M. Hegde, “CRNN-based spatial active noise control in spherical harmonics domain," 52nd International Congress and Exposition on Noise Control Engineering (InterNoise 2023), Chiba, Greater Tokyo, Japan, pp. 7370-7376, 2023 DOI : https ://doi.org/10.3397/IN_2023_1113
  • P. Dwivedi, R Rakesh, G. Routray, and R. M. Hegde, “Intelligent sniper localization technique using convolutional neural network," 52nd International Congress and Exposition on Noise Control Engineering (InterNoise 2023), Chiba, Greater Tokyo, Japan, pp. 7362-7369, 2023 DOI : https ://doi.org/10.3397/IN_2023_1112
  • P. Dwivedi, S. B. Hazare, G. Routray, R. M. Hegde, “Long-Term Temporal Audio Source Localization using SH-CRNN," 2023 National Conference on Communications (NCC), 2023 Feb 23 (pp. 1-6). DOI : 10.1109/NCC56989.2023.10067916
  • R. Rakesh, G. Routray, P. Dwivedi, and R. M. Hegde, “Sniper Localization using Acoustic Signal Processing based on Time of Arrivals," 2023 National Conference on Communications (NCC), 2023 Feb 23 (pp. 1-5). DOI : 10.1109/NCC56989.2023.10067971
  • P. Dwivedi, G. Routray and R. M. Hegde, “Hybrid SH-CNN-MP Approach for Super Resolution DOA Estimation," 2022 56th Asilomar Conference on Signals, Systems, and Computers, 2022. DOI : 10.1109/IEEECONF56349.2022.10051862
  • G. Routray, S. Sahu and R. M. Hegde, “Upscaling HOA Signals using Order Recursive Matching Pursuit in Spherical Harmonics Domain," 2022 International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 2022, pp. 1-5. DOI : 10.1109/SPCOM55316.2022.9840759
  • P. Dwivedi, G. Routray and R. M. Hegde, “DOA Estimation using Multiclass-SVM in Spherical Harmonics Domain," 2022 International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 2022, pp. 1-5. DOI : 10.1109/SPCOM55316.2022.9840848
  • P. Dwivedi, R. P. Gohil, G. Routray, Vishnuvardhan V, and R. M. Hegde, “Joint DOA Estimation in Spherical Harmonics Domain using Low Complexity CNN," 2022 International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 2022, pp. 1-5DOI : 10.1109/SPCOM55316.2022.9840853
  • G. Routray, P.Dwivedi, R. P. Gohil, and R. M. Hegde, “Binaural Reproduction of HOA Signal using Temporal Convolutional Networks," 24th International Congress on Acoustics (ICA),Gyeongju, Korea, 2022.
  • P.Dwivedi, G. Routray, and R. M. Hegde, “Far-field Source Localization in Spherical Harmonics Domain using Acoustic Intensity Vector," 24th International Congress on Acoustics (ICA),Gyeongju, Korea, 2022.
  • P.Dwivedi, G. Routray, and R. M. Hegde, “Binaural Source Localization in Median Plane using Learning Based Method for Robot Audition," 24th International Congress on Acoustics (ICA),Gyeongju, Korea, 2022.
  • G. Routray, P. Dwivedi and R. M. Hegde, “Binaural Reproduction of HOA Signal using Sparse Multiple Measurement Vector Projections," 2021 National Conference on Communications (NCC), 2021, pp. 1-6. DOI : 10.1109/NCC52529.2021.9530023.
  • R. P. Gohil, G. Routray and R. M. Hegde, “Learning Based Method for Robust DOA Estimation using Co-prime Circular Conformal Microphone Array," 2021 National Conference on Communications (NCC), 2021, pp. 1-6. DOI : 10.1109/NCC52529.2021.9530130.
  • G. Routray and R. M. Hegde, “Sparse Framework for Reproduction of NFC-HOA," 2020 54th Asilomar Conference on Signals, Systems, and Computers, 2020, pp. 1437-1441 DOI : 10.1109/IEEECONF51394.2020.9443463.
  • R. Gohil, A. Raikar, G. Routray, and R. M. Hegde. “Learning Based DOA Estimation in Adverse Acoustic Environment using Co-prime Circular Microphone Array." In 2020 AsiaPacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 437-442. IEEE, 2020.
  • G. Routray and R. M. Hegde, “Sparse Plane-wave Decomposition for Upscaling Ambisonic Signals," 2020 International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 2020, pp. 1-5. DOI : 10.1109/SPCOM50965.2020.9179569.
  • A. Srivastava, G. Routray and R. M. Hegde, “Spatial HRTF Interpolation using Spectral Phase Constraints," 2020 International Conference on Signal Processing and Communications (SPCOM), Bangalore, India, 2020, pp. 1-5.(Selected for Best Student Paper Award) DOI : 10.1109/SPCOM50965.2020.9179623.
  • G. Routray, S. Basu, P. Baldev, R. M. Hegde, “Deep-sound field analysis for upscaling ambisonic signals," EAA Spatial Audio Signal Processing Symposium, Sep 2019, Paris, France. pp.1-6. DOI : 10.25836/sasp.2019.14
  • G. Routray and R. M. Hegde, “Sparsity Based Framework for Spatial Sound Reproduction in Spherical Harmonic Domain," 2018 26th European Signal Processing Conference (EUSIPCO), Rome, 2018, pp. 2190-2194. DOI : 10.23919/EUSIPCO.2018.8553209.
  • G. Routray, P. Kanungo, “Genetic Algorithm Based RNN Structure for Rayleigh Fading MIMO Channel Estimation," Procedia Engineering, vol. 30, pp. 77-84, 2012. DOI : https ://doi.org/10.1016/j.proeng.2012.01.836.
  • G. Routray, P. Kanungo, “Rayleigh Fading MIMO Channel Prediction Using RNN with Genetic Algorithm," In : Das V.V., Thankachan N. (eds) Computational Intelligence and Information Technology. CIIT 2011. Communications in Computer and Information Science, vol 250. Springer, Berlin, Heidelberg. DOI : https ://doi.org/10.1007/978-3-642-25734-6 4

Contact Details

E-mail id: gyanajyoti.r@srmap.edu.in

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