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Paper Abstract and Keywords
Presentation 2026-06-05 14:00
A study on scream synthesis using latent diffusion model
Reiji Hirao, Yoshiko Arimoto (Chiba Tech) SP2026-14
Abstract (in Japanese) (See Japanese page) 
(in English) This study aimed to synthesize screams using a Latent Diffusion Model (LDM) and to evaluate their quality. Sample-efficient Speech Diffusion (SESD) was applied to our scream synthesis, and its effectiveness was assessed. A subjective evaluation was performed the naturalness and scream-likeness, of synthesized screams by comparing human screams and screams synthesized by Variational Inference with Adversarial Learning for End-to-End Text-to-Speech (VITS). As a result, SESD achieved 3.41 $pm$ 0.68 in the naturalness evaluation, which is higher than VITS (2.29 $pm$ 0.56) by 1.12 points. These results suggest that LDM is effective for scream synthesis.
Keyword (in Japanese) (See Japanese page) 
(in English) Scream synthesis / Latent diffusion model / SESD / Spontaneous speech / VITS / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 58, SP2026-14, pp. 79-83, June 2026.
Paper # SP2026-14 
Date of Issue 2026-05-29 (SP) 
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 SP2026-14

Conference Information
Committee SP IPSJ-SLP IPSJ-MUS  
Conference Date 2026-06-05 - 2026-06-06 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2026-06-SP-SLP-MUS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on scream synthesis using latent diffusion model 
Sub Title (in English)  
Keyword(1) Scream synthesis  
Keyword(2) Latent diffusion model  
Keyword(3) SESD  
Keyword(4) Spontaneous speech  
Keyword(5) VITS  
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Keyword(8)  
1st Author's Name Reiji Hirao  
1st Author's Affiliation Chiba Institute of Technology (Chiba Tech)
2nd Author's Name Yoshiko Arimoto  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Tech)
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Speaker Author-1 
Date Time 2026-06-05 14:00:00 
Presentation Time 180 minutes 
Registration for SP 
Paper # SP2026-14 
Volume (vol) vol.126 
Number (no) no.58 
Page pp.79-83 
#Pages 5 
Date of Issue 2026-05-29 (SP) 

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