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Kannan, P.
- Design and Analysis of Digital Filters for Speech Signals Using Multirate Signal Processing
Abstract Views :138 |
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Authors
S. Sangeetha
1,
P. Kannan
1
Affiliations
1 Department of Electronics and Communication Engineering, PET Engineering College, IN
1 Department of Electronics and Communication Engineering, PET Engineering College, IN
Source
ICTACT Journal on Microelectronics, Vol 3, No 4 (2018), Pagination: 480-487Abstract
Digital filters provide an important role in the world of communication. This paper proposes the design of digital filters for audio application using multi rate signal processing. One of the important applications in multi rate signal processing is sub band coding. The main objective of this paper is to analyze various techniques for designing digital filters for speech signals. Additive White Gaussian Noise is added with the input speech signal. The input speech signal spectrum is divided into frequency sub-bands using down sampling by a factor 2. Various transforms like FFT, FWHT and DWT are applied to the signal and its sub bands. Then the low pass and high pass FIR filters are designed and implemented using windowing techniques and IIR filters are designed and implemented using Butterworth and Chebyshev filters. Finally quantization is performed on the filter coefficients of signal and its sub bands. The performances of digital filters are measured by calculating Signal to Quantization Noise Ratio. From the performance measures this paper concludes that, which filtering technique is most suitable for designing digital filters for speech signals.Keywords
Digital Filters, Sub Band Coding, FIR, IIR, DWT, FFT, FWHT, Quantization, SQNR.References
- Ankita Mahajan and Rajesh Mehra, “Design Analysis of Word Length Effects in Interpolator Design”, International Journal of Advanced Engineering Research and Technology, Vol. 9, No. 1, pp. 104-108, 2014.
- Atul Bhargava, “A Survey Report for Design of FIR Filter with Different Method”, International Journal of Science, Engineering and Technology Research, Vol. 2, No. 2, pp. 461-465, 2013.
- Dolly Agrawal and Divya Kumud, “A Review On Multirate Digital Signal Processing”, International Journal of Electrical and Electronics Engineers, Vol. 6, No. 2, pp. 324-328, 2014.
- Jagriti Saini and Rajesh Mehra, “Power Spectral Density Analysis of Speech Signal using Window Techniques”, International Journal of Computer Applications, Vol. 131, No. 14, pp. 33-36, 2015.
- Lalima Singh, “Speech Signal Analysis using FFT and LPC”, International Journal of Advanced Research in Computer Engineering and Technology, Vol. 4, No. 4, pp. 1658-1660, 2015.
- Lalitha R. Naik and R.L. Devaraja Naik, “Sub-band Coding of Speech Signals using Multirate Signal Processing and Comparing the various parameter of different Speech Signals by Corrupting the same Speech Signal”, International Journal of Emerging Trends and Technology in Computer Science, Vol. 4, No. 2, pp. 217-221, 2015.
- Prajoy Podder, Tanvir Zaman Khan, Mamdudul Haque Khan and M. Muktadir Rahman, “Comparative Performance Analysis of Hamming, Hanning and Blackman Window”, International Journal of Computer Applications, Vol. 96, No. 18, pp. 1-7, 2014.
- Rajeev Singh Dohare and Shilpa Datar, “Quantized Coefficient FIR Filter for the design of Filter Bank”, International Journal of Engineering Trends and Technology, Vol. 4, No. 8, pp. 13-18, 2013.
- Samarjeet Singh and Uma Sharma, “ MATLAB based Digital IIR Filter Design”, International Journal Electronics and Computer Science Engineering, Vol. 1, No. 1, pp. 74-83, 2014.
- Saurabh Singh Rajput and S.S. Bhadauria, “Implementation of FIR Filter using Efficient Window Function and Its Application In Filtering a Speech Signal”, International Journal of Electrical, Electronic and Mechanical Controls, Vol. 1, No. 2, pp. 158-164, 2012.
- Suraj R. Gaikwad and Gopal Gawande, “Review: Design of Highly Efficient Multirate Digital Filters”, International Journal of Engineering Research and Applications, Vol. 3, No. 6, pp. 560-564, 2013.
- Suverna Sengar and Partha Pratim Bhattacharya, ‘Multirate Filtering for Digital Signal Processing and its Applications’, ARPN Journal of Science and Technology, Vol. 2, No. 3, pp. 228-237, 2012.
- Suraj R. Gaikwad and Gopal S. Gawande, “Implementation of Efficient Multirate Filter Structure for Decimation”, International Journal of Current Engineering and Technology, Vol. 4, No. 2, pp. 1008-1010, 2014.
- P. Suresh Babu, D. Srinivasulu Reddy and P.V.N. Reddy, “Speech Signal Analysis using Windowing Techniques”, International Journal of Emerging Trends in Engineering Research, Vol. 3, No. 6, pp. 257-263, 2015.
- Vijayakumar Majjagi, “Sub Band Coding of Speech Signal by using Multi-Rate Signal Processing”, International Journal of Engineering Research and Technology, Vol. 2, No. 9, pp. 45-49, 2013.
- Vishv Mohan, “Analysis and Synthesis of Speech using Matlab”, International Journal of Advancements in Research and Technology, Vol. 2, No. 5, pp. 373-382, 2013.
- Vaibhav M Dikhole et al, “Effect of Finite Word Length for FIR Filter Coefficient in Electrocardiogram Filtering”, Proceedings of National Conference on Innovative Trends in Science and Engineering, Vol. 4, No. 7, pp. 266-271, 2016.
- Analysis of Microstrip Patch Antenna for Four Different Shapes and Substrates
Abstract Views :241 |
PDF Views:0
Authors
Affiliations
1 Department of Electronics and Communication Engineering, PET Engineering College, IN
1 Department of Electronics and Communication Engineering, PET Engineering College, IN
Source
ICTACT Journal on Microelectronics, Vol 4, No 1 (2018), Pagination: 519-530Abstract
In general, antenna is designed for transmit or receive electromagnetic waves. Among different kinds of antenna Microstrip patch antenna is most widely used antenna because of its low profile, easy fabrication and inexpensive. The microstrip patch antenna has another advantage that it can be designed for any shape. There are four different shapes are taken for this analysis. But the major problem with these antennas is narrow bandwidth. In this paper microstrip patch antenna is designed for four different shapes and substrates. The substrate materials are taken according to the dielectric constant values. And the antenna parameters such as gain, directivity, bandwidth and returnloss are variable with different shapes and substrates. Then the antenna parameters are noted and compared using Advanced Design System (ADS) software.Keywords
ADS, Bandwidth, MSPA, Shape, Substrate Material.References
- Adil Hameed Ahmad and Basim Khalaf Jaralla, “Design and Simulation of Broadband Rectangular Microstrip Antenna”, Engineering and Technology, Vol. 26, No. 1, pp. 93-105, 2008.
- Alak Majumder, “Design of an H-shaped Microstrip Patch Antenna for Bluetooth Applications”, International Journal of Innovation and Applied Studies, Vol. 3, No. 1, pp. 13-17, 2013.
- Alka Verma and Neelan Srivastava, “Analysis and Design of Rectangular Microstrip Patch Antenna in X-Band”, International Journal of Electronics and Communication Engineering, Vol. 1, No. 1, pp. 31-35, 2001.
- Amar Pratap Singh Pharwaha and Shweta Rani, “Simulation and Design of Broad band Slot Antenna for Wireless Applications”, Proceedings of the World Congress on Engineering, pp. 11-15, 2011.
- Anzar Khan and Rajesh Nema, “Analysis of Five Different Dielectric Substrates on Microstrip Patch Antenna”, International Journal of Computer Applications, Vol. 55, No. 18, pp. 6-12, 2012.
- S. Anscy, “Slot Microstrip Antenna for 2.4GHz RFID Reader Application”, International Journal of Advanced Research in Electronics and Communication Engineering, Vol. 2, No. 5, pp. 527-531, 2013.
- Ashish Mohan Bhardwaj, Ajay Kumar Yadav and Vishal Upmanu, “Design And Simulation Of U-shaped Microstrip Patch Antenna with Bandwidth Enhancement And Size Reduction”, International Journal of Advanced Engineering Research and Technology, Vol. 4, No. 2, pp. 23-29, 2016
- Aster A. Roy, Joseph M. Mom and Gabriel A. Igwue, “Enhancing the Bandwidth of a Microstrip Patch Antenna using Slots Shaped Patch”, American Journal of Engineering Research, Vol. 2, No. 1, pp. 33-37, 2011.
- Chitta Ranjan Das and Santanibedita Sahoo, “Design of Compact L-slit Microstrip Patch Antenna for Wimax Application”, International Journal of Innovative Research in Technology Science, Vol. 2, No. 1, pp. 42-45, 2011.
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- Liton Chandra Paul et al., “The Effect of Changing Substrate Material and Thickness on the Performance of Inset Feed Microstrip Patch Antenna”, American Journal of Networks and Communications, Vol. 6, No. 1, pp. 227-233, 2015.
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- D. Pavithra and K.R. Dharani, “A Design of H-Shape Microstrip Patch Antenna for WLAN Applications”, International Journal of Engineering Science Invention, Vol. 2, No. 6, pp. 112-116, 2013.
- Razin Ahmed and Md. Fokhrul Islam, “E-Shaped Microstrip Patch Antenna for Ku Band”, International Journal of Computer Applications, Vol. 80, No. 6, pp. 15-19, 2013.
- W.F. Richards, Y.T. Lo and D.D. Harrison, “An Improved Theory for Microstrip Antennas and Applications”, IEEE Transactions on Antennas Propagation, Vol. 29, No. 1, pp. 38-46, 1981.
- S. Sai Bharathwaj and K. Prakash, “Circular Polarization Dual Feed Microstrip Patch Antenna with 3dB Hybrid Coupler for WLAN”, International Journal of Engineering Science Invention, Vol. 2, No. 1, pp. 65-69, 2012.
- J. Vanitha and N. Augustia, “Design of Broadband Microstrip Patch Antenna using Stack and Notch Techniques”, International Journal of Advanced Research in Computer Science and Software Engineering, Vol. 6, No. 2, pp. 233-239, 2016.
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- D. Yoharaaj, Raja Syamsul Azmir and Alyani Ismail, “A New Approach for Bandwidth Enhancement Technique in Microstrip Antenna for Wireless Applications”, Proceedings of International RF and Microwave Conference, pp. 12-16, 2006.