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Paper Abstract and Keywords
Presentation 2024-03-14 13:00
On Time-Position Detection of Signals under Noise Considering Threshold -- Applications of Fractal Dimension Filters --
Hideo Shibayama (Shibaura Institute of Technology), Yoshiaki Makabe (Kanagawa Institute of Technology), Kenji Muto (Shibaura Institute of Technology), Tomoaki Kimura (Kanagawa Institute of Technology) SIS2023-45
Abstract (in Japanese) (See Japanese page) 
(in English) Conflicts due to neighborhood noise can occur even when the sound pressure level is low. In such cases, the sound pressure level of the target sound is often lower than the background noise. This paper describes a method and its results for estimating the time-position of the target sound using a fractal dimensional filter. To investigate the effectiveness of this filter, a sound whose amplitude fluctuates and whose frequency changes in a short period of time is required as an element of naturalness. One sound that satisfies this condition is the voice of the Schlegel's green frog. The pitch frequency of the voice is constantly changing with time, and the formant frequency is also changing correspondingly. After the time-position estimation, the sound waves were confirmed by voice enhancement processing. As results, the fractal dimension filter is effective as the method for estimating the time-position of sound.
Keyword (in Japanese) (See Japanese page) 
(in English) Fractal Dimensional Filter / Frog Voice / Speech Enhancement / Time Position Detection / Variogram / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 440, SIS2023-45, pp. 1-6, March 2024.
Paper # SIS2023-45 
Date of Issue 2024-03-07 (SIS) 
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 SIS2023-45

Conference Information
Committee SIS  
Conference Date 2024-03-14 - 2024-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanagawa Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Soft computing, etc. 
Paper Information
Registration To SIS 
Conference Code 2024-03-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Time-Position Detection of Signals under Noise Considering Threshold 
Sub Title (in English) Applications of Fractal Dimension Filters 
Keyword(1) Fractal Dimensional Filter  
Keyword(2) Frog Voice  
Keyword(3) Speech Enhancement  
Keyword(4) Time Position Detection  
Keyword(5) Variogram  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hideo Shibayama  
1st Author's Affiliation Shibaura Institute of Technology (Shibaura Institute of Technology)
2nd Author's Name Yoshiaki Makabe  
2nd Author's Affiliation Kanagawa Institute of Technology (Kanagawa Institute of Technology)
3rd Author's Name Kenji Muto  
3rd Author's Affiliation Shibaura Institute of Technology (Shibaura Institute of Technology)
4th Author's Name Tomoaki Kimura  
4th Author's Affiliation Kanagawa Institute of Technology (Kanagawa Institute of Technology)
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Speaker Author-2 
Date Time 2024-03-14 13:00:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2023-45 
Volume (vol) vol.123 
Number (no) no.440 
Page pp.1-6 
#Pages 6 
Date of Issue 2024-03-07 (SIS) 

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