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Paper Abstract and Keywords
Presentation 2019-03-15 13:30
[Poster Presentation] Study of acoustic scene analysis using sound-to-light conversion devices "blinky''
Yuto Oishi, Jin-cheng Zhang, Yutaka Yamamoto, Fumikazu Saze, Hiroyuki Moriyama, Robin Scheibler, Yukoh Wakabayashi, Nobutaka Ono (TMU) EA2018-142 SIP2018-148 SP2018-104
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents a preliminary study of acoustic scene analysis with sound-to-light conversion devices ``Blinky'', which we developed.
A Blinky is a small battery-powered device consisting of a pair of MEMS microphones and four LEDs connected to a low-power processor.
The device translates sound power recorded by the microphones into brightness of the LEDs.
Several Blinkies are distributed in space and the acquisition of all their light signals is carried out at once with a video camera, allowing to monitor sound power over a large area.
In this work, we describe a few preliminary experimental results of the application of Blinkies to sound scene analysis.
Specifically, 1) an outdoor scene with pedestrians and vehicles and 2) an indoor scene in an office with people chatting and eating lunch are filmed with 18 Blinkies used.
The Blinky signals are extracted from the video and various analysis are performed, including time-frequency analysis and scene recognition.
Keyword (in Japanese) (See Japanese page) 
(in English) Sound-to-light conversion / Blinky / Sound power information / Sound scene analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 495, EA2018-142, pp. 251-256, March 2019.
Paper # EA2018-142 
Date of Issue 2019-03-07 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 EA2018-142 SIP2018-148 SP2018-104

Conference Information
Committee EA SIP SP  
Conference Date 2019-03-14 - 2019-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) i+Land nagasaki (Nagasaki-shi) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, Signal Processing, Speech, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2019-03-EA-SIP-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of acoustic scene analysis using sound-to-light conversion devices "blinky'' 
Sub Title (in English)  
Keyword(1) Sound-to-light conversion  
Keyword(2) Blinky  
Keyword(3) Sound power information  
Keyword(4) Sound scene analysis  
1st Author's Name Yuto Oishi  
1st Author's Affiliation Tokyo Metropolitan University (TMU)
2nd Author's Name Jin-cheng Zhang  
2nd Author's Affiliation Tokyo Metropolitan University (TMU)
3rd Author's Name Yutaka Yamamoto  
3rd Author's Affiliation Tokyo Metropolitan University (TMU)
4th Author's Name Fumikazu Saze  
4th Author's Affiliation Tokyo Metropolitan University (TMU)
5th Author's Name Hiroyuki Moriyama  
5th Author's Affiliation Tokyo Metropolitan University (TMU)
6th Author's Name Robin Scheibler  
6th Author's Affiliation Tokyo Metropolitan University (TMU)
7th Author's Name Yukoh Wakabayashi  
7th Author's Affiliation Tokyo Metropolitan University (TMU)
8th Author's Name Nobutaka Ono  
8th Author's Affiliation Tokyo Metropolitan University (TMU)
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Speaker Author-1 
Date Time 2019-03-15 13:30:00 
Presentation Time 90 minutes 
Registration for EA 
Paper # EA2018-142, SIP2018-148, SP2018-104 
Volume (vol) vol.118 
Number (no) no.495(EA), no.496(SIP), no.497(SP) 
Page pp.251-256 
Date of Issue 2019-03-07 (EA, SIP, SP) 

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