SP Documentation.doc - A Project Based Lab Report on Speech...

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A Project Based Lab Report on Speech Signal Analysis A mini project work on Signal Processing (13-ES-205L) submitted to KL University under the partial fulfilment of II /IV B.Tech By V. Sai Teja (13003495) V. Sandeep (13003500) S. Vaishnavi (13003506) Under the guidance of Mr. M. Ashoka Chakravarthy (Asst. Prof.) Dept. of Electronics and Communication Engineering K.L. UNIVERSITY Green fields,Vaddeswaram-522502, Guntur District 2014-15 1
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Department of Electronics & Communication Engineering K.L.UNIVERSITY __________________________________________________________________ CERTIFICATE This is to certify that the project entitled “Speech Signal Analysis” is the bonafide work carried out by V. Sai Teja (13003495), V. Sandeep (13003500), S. Vaishnavi (13003506) students of II year B.Tech, CSE Department, College of Engineering, K.L.University, in the “Signal Processing Laboratory'' for the academic year 2014-2015. Signature of the Project guide Signature of Course Coordinator Head of the department 2
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ACKNOWLEDGMENT Our sincere thanks to Mr.M.Ashoka Chakravarthy in the Lab for his outstanding support throughout the project for the successful completion of the work. We express our gratitude to Dr.K.Thirupathi Rao, 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. We would like to place on record the deep sense of gratitude to the honourable Vice Chancellor, K L University for providing the necessary facilities to carry the concluded project. 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. Place: KL University V.Sai Teja (13003495) Date: 11-11-2014 V.Sandeep (13003500) S.Vaishnavi (13003506) 3
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CONTENTS Content Page No Abstract ( Brief description of the project ) 5 Chapter 1: Introduction (Brief theory) 7 Chapter 2: Tasks and their simulation results (a) Task1: Simulation results, Plots/graphs, figures, tables etc 11 (b) Task2: Simulation results, Plots/graphs, figures, tables etc 12 (c) Task3: Simulation results, Plots/graphs, figures, tables etc 13 Chapter 3: Conclusions and future scope 15 References 16 4
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ABSTRACT Objectives: (a) Load, display and manipulation of speech signals. (b) Estimate the fundamental frequency of a section of speech signal from its waveform using autocorrelation. (c) Estimate the fundamental frequency of a section of speech signal from its spectrum using cepstrum. (d) Compute and plot the spectrum of speech signals. This process is shown in the following block diagram.
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