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Current Trends in Science and Technology

an Open Access Publication ISSN: 0976-9730 | 0976-9498

Engineering and Technology

Real Time Implementation of Planar Beamformer

Sonali Dongare, Anagha Mahajan, Shahista Mainkar, Jayshree Nighut, Prof. A.T. Tambe
Department of Electronics & Telecommunication, Jaihind College of Engineering, Kuran, Savitribai Phule Pune University, Pune (MH), India
Online First: February 19, 2018
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Abstract

Beamforming is a signal processing technique also called as spatial filter is used in microphone array. Microphone array is one of the most advanced tool in improving speech quality. In the presence of interfering signal and ambient noise along with a desired signal. When desired sound source and interfering signal will occupy same frequency band then temporal filtering gets failed and we cannot separate out the desired sound signal and interfering signal. However, the desired sound signal and interfering signal usually originate from different spatial location. Hence, we use beamforming technique to separate out desired sound signal from interfering signal.


Beamforming found applications in wireless communication, acoustic and biomedicine, seismology, astronomy, etc. The objective is to enhance the audio signal coming from desired direction by blocking the signal coming from undesired direction.

Keyword : Planar rectangular array, Planar circular array, Beamforming, Microphone array, Source localization.

  Submitted
Feb 18, 2018
Published
Feb 19, 2018
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References

1. Kenichi Kumatani, John McDonough and Bhiksha Raj, “Microphone Array Processing for Distant Speech Recognition”, IEEE Signal Processing Magazine, pp.127-140, November 2012 2. Panayiotis Ioannides, “Uniform Circular and Rectangular Arrays for Adaptive Beamforming Applications”, IEEE Antennas and wireless propagation letters, VOL. 4, 2005 3. Zebb Prime and Con Doolan, “A comparison of popular beamforming arrays”, Proceedings of conference on ACOUSTICS, 2013 4. Yue Kan, Pengfei Wang, Wentao Sheng, Fusheng Zha, Mantian Li and BaoyuSong, “A New Joint Localization Model using Multiple Microphone Arrays for Passive Acoustic Source Localization System”, IEEE 9th International Synopsium on Computational Intelligence and Design, 2016 5. Zhang Qinqin and Zhang Linghua, “Study of delay estimation in acoustic source localization based on microphone array”, IEEE Electronic and Automation Control Conference, 2015 6. Radhian Ferel Armansyah, Fadhli Dzil Ikram, Swizya Satira Nolika and Trio Adiono, ‘Efficient Sound-Source Localization System using Low Cost TDOA Computation”,International Symposium on Electronics and Smart Devices (ISESD), November 29-30 2016 7. https://www.spsc.tugraz.at/sites/default/files/Clenet10_DA.pdf 8. https://en.m.wikipedia.org/wiki/cross-correlation 9. https://pep.ijieee.org.in/journal_pdf/11-229-145767994416-19.pdf
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References

1. Kenichi Kumatani, John McDonough and Bhiksha Raj, “Microphone Array Processing for Distant Speech Recognition”, IEEE Signal Processing Magazine, pp.127-140, November 2012
2. Panayiotis Ioannides, “Uniform Circular and Rectangular Arrays for Adaptive Beamforming Applications”, IEEE Antennas and wireless propagation letters, VOL. 4, 2005
3. Zebb Prime and Con Doolan, “A comparison of popular beamforming arrays”, Proceedings of conference on ACOUSTICS, 2013
4. Yue Kan, Pengfei Wang, Wentao Sheng, Fusheng Zha, Mantian Li and BaoyuSong, “A New Joint Localization Model using Multiple Microphone Arrays for Passive Acoustic Source Localization System”, IEEE 9th International Synopsium on Computational Intelligence and Design, 2016
5. Zhang Qinqin and Zhang Linghua, “Study of delay estimation in acoustic source localization based on microphone array”, IEEE Electronic and Automation Control Conference, 2015
6. Radhian Ferel Armansyah, Fadhli Dzil Ikram, Swizya Satira Nolika and Trio Adiono, ‘Efficient Sound-Source Localization System using Low Cost TDOA Computation”,International Symposium on Electronics and Smart Devices (ISESD), November 29-30 2016
7. https://www.spsc.tugraz.at/sites/default/files/Clenet10_DA.pdf
8. https://en.m.wikipedia.org/wiki/cross-correlation
9. https://pep.ijieee.org.in/journal_pdf/11-229-145767994416-19.pdf
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