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Paper Abstract and Keywords
Presentation 2022-01-27 16:40
Study on the Effect of Periodic Fluctuations of Musical Instrument Sounds on Hearing
Kazuhiro Shiba, Takuiti hirano (TCU) EST2021-73
Abstract (in Japanese) (See Japanese page) 
(in English) The sound of a musical instrument looks like a periodic waveform, but there are minute changes (variations, irregularities) in amplitude and period, and it is thought that it is the origin of beautiful sound in hearing. In this study, we investigated the fluctuation of the periodicity of musical instrument sounds. One-cycle waveform was cut out from the entire waveform of the musical instrument, and a waveform was synthesized by repeating the one-cycle waveform with small random changes in the cycle (Study--1). In addition, the total time of the one-cycle repeated waveform was slightly changed (slight change in frequency), and the waveform is added to the original repeated waveform (Study--2). We have performed questionnaire to find out what kind of irregularity affect hearing.it was found that the sound generated by Study—1 noise, but the that by Study--was relatively near to the natural sound.
Keyword (in Japanese) (See Japanese page) 
(in English) simulation / musical instrument / sound / detune / fluctuation / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 358, EST2021-73, pp. 79-83, Jan. 2022.
Paper # EST2021-73 
Date of Issue 2022-01-20 (EST) 
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 EST2021-73

Conference Information
Committee EST  
Conference Date 2022-01-27 - 2022-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Simulation techniques, etc. 
Paper Information
Registration To EST 
Conference Code 2022-01-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on the Effect of Periodic Fluctuations of Musical Instrument Sounds on Hearing 
Sub Title (in English)  
Keyword(1) simulation  
Keyword(2) musical instrument  
Keyword(3) sound  
Keyword(4) detune  
Keyword(5) fluctuation  
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Keyword(8)  
1st Author's Name Kazuhiro Shiba  
1st Author's Affiliation Tokyo City University (TCU)
2nd Author's Name Takuiti hirano  
2nd Author's Affiliation Tokyo City University (TCU)
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Speaker Author-1 
Date Time 2022-01-27 16:40:00 
Presentation Time 20 minutes 
Registration for EST 
Paper # EST2021-73 
Volume (vol) vol.121 
Number (no) no.358 
Page pp.79-83 
#Pages 5 
Date of Issue 2022-01-20 (EST) 

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