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Title: :  Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA
PaperId: :  6814
Published in:   International Journal Of Advance Research And Innovative Ideas In Education
Publisher:   IJARIIE
e-ISSN:   2395-4396
Volume/Issue:    Volume 3 Issue 5 2017
DUI:    16.0415/IJARIIE-6814
Licence: :   IJARIIE is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Author NameAuthor Institute
RAJASHREE.SCK COLLEGE OF ENGINEERING AND TECHNOLOGY
Dr. N. MAHENDRAN. M.Tech. ph.D.,CK COLLEGE OF ENGINEERING AND TECHNOLOGY

Abstract

Applied Electronics
Telephone circuits, Acoustic Echo Cancellation (AEC), Adaptive filter, Affine Projection Algorithm (APA), Normalized Least-Mean-Square (NLMS) algorithm
In telephone circuits, Acoustic Echo Cancellation (AEC) provides one of the best solutions to the control of acoustic echoes generated by hands-free audio terminals. In this type of application, an adaptive filter identifies the acoustic echo path between the terminal’s loudspeaker and microphone, i.e., the room impulse response. The filter output, which provides an electronic replica of the acoustic echo, is subtracted from the microphone signal to cancel the echo. Nevertheless, there are several specific and challenging problems associated with AEC applications. Hence, the residual echo caused by the part of the system that cannot be modeled acts like an additional noise and disturbs the overall performance. Second, the background noise that corrupts the microphone signal can be strong and highly non stationary. In my project, the Variable Step-Size Affine Projection Algorithm (APA) and some of its versions were found to be very attractive choices for AEC applications. The main advantage of this family of algorithms over the well known Normalized Least-Mean-Square (NLMS) algorithm consists of a superior convergence rate, especially for speech signals. This algorithm does not require any a priori information about the acoustic environment, so that it is easy to control in practice. The simulation results indicate the good performance of the proposed algorithm as compared to other members of the APA family.

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IJARIIE RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. "Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA" International Journal Of Advance Research And Innovative Ideas In Education Volume 3 Issue 5 2017 Page 1468-1475
MLA RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. "Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA." International Journal Of Advance Research And Innovative Ideas In Education 3.5(2017) : 1468-1475.
APA RAJASHREE.S, & Dr. N. MAHENDRAN. M.Tech. ph.D.,. (2017). Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA. International Journal Of Advance Research And Innovative Ideas In Education, 3(5), 1468-1475.
Chicago RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. "Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA." International Journal Of Advance Research And Innovative Ideas In Education 3, no. 5 (2017) : 1468-1475.
Oxford RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. 'Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA', International Journal Of Advance Research And Innovative Ideas In Education, vol. 3, no. 5, 2017, p. 1468-1475. Available from IJARIIE, http://ijariie.com/AdminUploadPdf/Echo_Cancellation_In_Long_Distance_Telephone_Circuits_Using_VSS_APA_ijariie6814.pdf (Accessed : ).
Harvard RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. (2017) 'Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA', International Journal Of Advance Research And Innovative Ideas In Education, 3(5), pp. 1468-1475IJARIIE [Online]. Available at: http://ijariie.com/AdminUploadPdf/Echo_Cancellation_In_Long_Distance_Telephone_Circuits_Using_VSS_APA_ijariie6814.pdf (Accessed : )
IEEE RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,, "Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA," International Journal Of Advance Research And Innovative Ideas In Education, vol. 3, no. 5, pp. 1468-1475, Sep-Oct 2017. [Online]. Available: http://ijariie.com/AdminUploadPdf/Echo_Cancellation_In_Long_Distance_Telephone_Circuits_Using_VSS_APA_ijariie6814.pdf [Accessed : ].
Turabian RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. "Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA." International Journal Of Advance Research And Innovative Ideas In Education [Online]. volume 3 number 5 ().
Vancouver RAJASHREE.S, and Dr. N. MAHENDRAN. M.Tech. ph.D.,. Echo Cancellation In Long Distance Telephone Circuits Using VSS-APA. International Journal Of Advance Research And Innovative Ideas In Education [Internet]. 2017 [Cited : ]; 3(5) : 1468-1475. Available from: http://ijariie.com/AdminUploadPdf/Echo_Cancellation_In_Long_Distance_Telephone_Circuits_Using_VSS_APA_ijariie6814.pdf
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