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Paper Abstract and Keywords
Presentation 2014-01-28 10:00
A comparison of compensation amount of nonlinear distortions in electrodynamic loudspeaker using Mirror filter
Kenta Iwai, Yoshinobu Kajikawa (Kansai Univ.) EA2013-109
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we compare the efficiency of compensating nonlinear distortions in electrodynamic loudspeaker system using two different types of Mirror filter, which called 2nd- and 3rd-order nonlinear IIR filter.
These filters need nonlinear parameters of loudspeaker systems and we used estimated nonlinear parameters for evaluating the efficiency of compensating nonlinear distortions of these filters. Therefore, these evaluation results include the effect of the parameter estimation method.
In this paper, we measure the nonlinear parameters using Klippel's measurement equipment and evaluate the compensation amount of both filters. Experimental results demonstrate that the 3rd-order nonlinear IIR filter can realize a reduction by 2dB more than the 2nd-order nonlinear IIR filter on nonlinear distortions at high frequencies.
Keyword (in Japanese) (See Japanese page) 
(in English) Mirror filter / Electrodynamic loudspeaker system / Nonlinear distortion / 2nd-order nonlinear IIR filter / 3rd-order nonlinear IIR filter / Nonlinear parameter / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 413, EA2013-109, pp. 33-38, Jan. 2014.
Paper # EA2013-109 
Date of Issue 2014-01-20 (EA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EA2013-109

Conference Information
Committee EA US  
Conference Date 2014-01-27 - 2014-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kansai University, Centenary Memorial Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) [Joint Meeting on Acoustics and Ultrasonics Subsociety] Engineering/Electro Acoustics, Ultrasonic and Underwater Acoustics，and Related Topics 
Paper Information
Registration To EA 
Conference Code 2014-01-EA-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A comparison of compensation amount of nonlinear distortions in electrodynamic loudspeaker using Mirror filter 
Sub Title (in English)  
Keyword(1) Mirror filter  
Keyword(2) Electrodynamic loudspeaker system  
Keyword(3) Nonlinear distortion  
Keyword(4) 2nd-order nonlinear IIR filter  
Keyword(5) 3rd-order nonlinear IIR filter  
Keyword(6) Nonlinear parameter  
Keyword(7)  
Keyword(8)  
1st Author's Name Kenta Iwai  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Yoshinobu Kajikawa  
2nd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker Author-1 
Date Time 2014-01-28 10:00:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2013-109 
Volume (vol) vol.113 
Number (no) no.413 
Page pp.33-38 
#Pages 6 
Date of Issue 2014-01-20 (EA) 

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