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Paper Abstract and Keywords
Presentation 2019-06-21 13:20
Propose an approach to defend against the attack for smart speaker
Yuya Tarutani (Okayama Univ.), Kensuke Ueda, Yoshiaki Kato (Mitsubishi Electric)
Abstract (in Japanese) (See Japanese page) 
(in English) Smart speakers have become widespread as voice operation interface. Users can operate the various function such as home devices control, buying and music playback by smart speakers. However, smart speakers have security risk that attacker can operate the home devices by smart speakers. In this paper, we propose a method to detect an audio adversarial example. Audio adversarial example is the attack by making the speech recognition system misidentify. We show that our method can detect the audio adversarial example with 70% detection ratio and 10% false detection ratio.
Keyword (in Japanese) (See Japanese page) 
(in English) Smart Speaker / Speech Recognition / Security / Audio Adversarial Example / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 92, NS2019-39, pp. 23-28, June 2019.
Paper # NS2019-39 
Date of Issue 2019-06-13 (NS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee OCS PN NS  
Conference Date 2019-06-20 - 2019-06-21 
Place (in Japanese) (See Japanese page) 
Place (in English) MALIOS(Morioka) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic network system, Optical network operation and administration, Optical network design, Traffic engineering, Signaling, GMPLS, Inter-domain route control, Network monitoring, Optical amplifier and Optical repeater, Optical crossconect (OXC) and Optical add/drop multiplexer (OADM), Optical multiplexing/demultiplexing equipment, Optical signal processing, Optical terminal equipment, Digital signal processing and error correction, Optical communication measurement, Core/metro system, Seafloor transmission system, Optical access system and NG-PON, Ethernet, Optical transport network (OTN), Transmission monitoring and control, Optical transmission system design and tool, Mobile and Mobile-optical cooperation, etc. 
Paper Information
Registration To NS 
Conference Code 2019-06-OCS-PN-NS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Propose an approach to defend against the attack for smart speaker 
Sub Title (in English)  
Keyword(1) Smart Speaker  
Keyword(2) Speech Recognition  
Keyword(3) Security  
Keyword(4) Audio Adversarial Example  
1st Author's Name Yuya Tarutani  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Kensuke Ueda  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Yoshiaki Kato  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Date Time 2019-06-21 13:20:00 
Presentation Time 25 
Registration for NS 
Paper # IEICE-NS2019-39 
Volume (vol) IEICE-119 
Number (no) no.92 
Page pp.23-28 
#Pages IEICE-6 
Date of Issue IEICE-NS-2019-06-13 

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