sp project report.docx - SUB-BAND CODING USING NOBLE...

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SUB-BAND CODING USING NOBLE IDENTITIES FOR DECIMATION AND INTERPOLATION A project based Lab report Submitted in partial fulfillment of the requirements for the award of degree of BACHELOR OF TECHNOLOGY In ELECTRICAL AND ELECTRONICS ENGINEERING by V. Roopa sree (150060098) V Hemanth Kumar (150060099) V. Bala Swetha(150060100) Under the esteemed guidance of Mr.J. Chandrasekhar Assistant professor, ECE Department DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING K L UNIVERSITY Green Fields, Vaddeswaram, Tadepalli, Guntur - 522 502, Andhra Pradesh. 2016-2017
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K L UNIVERSITY DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING CERTIFICATE This is Certified that the project based Lab entitled “SUB BAND CODING USING NOBLE IDENTITES FOR DECIMATION AND INTERPOLATION” which is a Simulation work carried out by M. Nikhil (150060054),G. Manoj Kumar(150060056),M. Bhanu Prakash (150060057),M. Sushma (150060059) in partial fulfillment for the award of the degree of Bachelor of Technology in Department Electrical & Electronics Engineering , during the year 2016-2017 . The Lab based project has been approved as it satisfies the academic requirements. Project Guide Lab Instructor MR. B. Suresh MR. J.Chandrasekhar Course Coordinator DR. G. V.SUBBARAO
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ACKNOWLEDGEMENT Our sincere thanks to MR. J. Chandra shaker inthe Lab for their outstanding support throughout the project for the successful completion of the work. We express our gratitude to DR.O. CHANDRASHEKAR Head of the Department for Computer science and Engineering for providing us with adequate facilities, ways and means by which we are able to complete this project based Lab. We would like to place on record the deep sense of gratitude to the honorable Vice Chancellor, K L University for providing the necessary facilities to carry the project based Lab. Last, but not the least, we thank all Teaching and Non-Teaching Staff of our department and especially my classmates and my friends for their support in the completion of our project based Lab.
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CONTENTS S. NO TOPIC: 1. ABSTRACT 2. INTRODUCTION 3. DECIMATION 4. INTERPOLATION 5. Sub-band Coding Using Decimation and Interpolation 6. NOBLE IDENTITIES 7. NOBLE IDENTITIES BY UP SAMPLER 8. MATLAB CODE & RESULTS 9. CONCLUSION 10. REFRENCES
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ABSTRACT Abstract: In many practical applications of digital signal processing, such as telecommunication systems, one is faced with the problem of changing the sampling rate of a signal, either increasing it or decreasing it by some amount. In telecommunication systems, that transmit and receive different types of signals, there is a requirement to process the various signals at different rates commensurate with the corresponding bandwidths of the various signals. This paper addresses the problem of sampling rate conversion and multi-rate signal processing in the digital domain. A structure of a two-channel quadrature mirror filter with low pass filter, high pass filter, decimators and interpolators, is proposed to perform sub-band coding of speech signals in the digital domain. The proposed structure decomposes a signal into low frequency and high frequency components. The performance of the proposed
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