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Paper Abstract and Keywords
Presentation 2024-08-01 14:00
Consideration of a Frequency Analysis Method for Time-domain Signals with Asymmetric Rising and Falling Parts
Yimo Liu, Haruhiro Takemura, Takahiro Yoshida (TUS) EA2024-33
Abstract (in Japanese) (See Japanese page) 
(in English) Although the sound quality of acoustic equipment has advanced, the phenomenon that various factors such as the operating conditions of acoustic equipment, cables, settings, and equipment combinations cause change and degradation of subjective sound quality exists even today. However, a high-resolution analyzing method that can detect slight changes in sound quality and degradation has not been established.
Therefore, in this study, as a new challenge to analyze acoustic signals with higher resolution, we focused on the asymmetry of the operating characteristics at the rising part and the falling part of signals in acoustic equipment and proposed a frequency analysis method of the rising part and the falling part of time series acoustic signals independently. Through evaluation experiments, it was confirmed that the proposed method could independently and appropriately analyze the frequency spectrum of the rising and falling parts of the asymmetric sinusoidal and triangular waves test signals containing different non-linear distortions and jitter in the rising and falling parts.
Keyword (in Japanese) (See Japanese page) 
(in English) Time Domain / Rising Part / Falling Part / Asymmetric / Frequency Analysis / Fourier Transform / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 142, EA2024-33, pp. 12-17, Aug. 2024.
Paper # EA2024-33 
Date of Issue 2024-07-25 (EA) 
ISSN 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 EA2024-33

Conference Information
Committee EA ASJ-H  
Conference Date 2024-08-01 - 2024-08-02 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To EA 
Conference Code 2024-08-EA-H 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Consideration of a Frequency Analysis Method for Time-domain Signals with Asymmetric Rising and Falling Parts 
Sub Title (in English)  
Keyword(1) Time Domain  
Keyword(2) Rising Part  
Keyword(3) Falling Part  
Keyword(4) Asymmetric  
Keyword(5) Frequency Analysis  
Keyword(6) Fourier Transform  
Keyword(7)  
Keyword(8)  
1st Author's Name Yimo Liu  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Haruhiro Takemura  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Takahiro Yoshida  
3rd Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2024-08-01 14:00:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2024-33 
Volume (vol) vol.124 
Number (no) no.142 
Page pp.12-17 
#Pages 6 
Date of Issue 2024-07-25 (EA) 

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