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Paper Abstract and Keywords
Presentation 2026-05-15 14:50
Study on an evaluation method of comfortable/uncomfortable impression measurement for noise suppressed sound by active noise control
Sachiko Kurihara, Yutaka Kamamoto, Yoshiaki Kurokawa, Yuki Watanabe, Noriyoshi Kamado (NTT) CQ2026-9
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a preliminary study on an impression evaluation method for noise‑suppressed sounds produced by active noise control (ANC) processing, and experimental results obtained by using the presented method. Conventional sound‑quality evaluation techniques have primarily focused on sounds that listeners intend to hear, whereas relatively limited attention has been directed toward noise‑suppressed sounds, which listeners do not wish to hear but nonetheless perceive. Furthermore, in order to establish an evaluation framework that more accurately reflects user‑perceived quality, it is considered more appropriate to assess the timbre of noise‑suppressed sounds after processing, rather than the noise level that varies depending on the employed signal‑processing algorithm. To address this issue, we investigated an impression‑evaluation method for assessing the perceived comfortable or uncomfortable impression of noise‑suppressed sounds, drawing upon established subjective evaluation methodologies. Using an evaluation procedure based on the Absolute Category Rating (ACR), we demonstrate the validity of subjective quality‑assessment experiments for noise‑suppressed sounds and report the findings obtained from these experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) ambient noise / noise suppression / active noise control / sound quality / subjective evaluation / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 20, CQ2026-9, pp. 35-40, May 2026.
Paper # CQ2026-9 
Date of Issue 2026-05-07 (CQ) 
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 CQ2026-9

Conference Information
Committee CQ CS SAT  
Conference Date 2026-05-14 - 2026-05-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kushiro Chamber of Commerce & Industry 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CQ 
Conference Code 2026-05-CQ-CS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on an evaluation method of comfortable/uncomfortable impression measurement for noise suppressed sound by active noise control 
Sub Title (in English)  
Keyword(1) ambient noise  
Keyword(2) noise suppression  
Keyword(3) active noise control  
Keyword(4) sound quality  
Keyword(5) subjective evaluation  
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1st Author's Name Sachiko Kurihara  
1st Author's Affiliation NTT, Inc. (NTT)
2nd Author's Name Yutaka Kamamoto  
2nd Author's Affiliation NTT, Inc. (NTT)
3rd Author's Name Yoshiaki Kurokawa  
3rd Author's Affiliation NTT, Inc. (NTT)
4th Author's Name Yuki Watanabe  
4th Author's Affiliation NTT, Inc. (NTT)
5th Author's Name Noriyoshi Kamado  
5th Author's Affiliation NTT, Inc. (NTT)
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Speaker Author-1 
Date Time 2026-05-15 14:50:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2026-9 
Volume (vol) vol.126 
Number (no) no.20 
Page pp.35-40 
#Pages 6 
Date of Issue 2026-05-07 (CQ) 

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