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Paper Abstract and Keywords
Presentation 2017-03-02 16:10
A Method of Reducing Discomfort in Acoustic Communication using Phase Modulation by Processing per Subcarrier
Yuichi Sato, Hitoshi Aida (UTokyo)
Abstract (in Japanese) (See Japanese page) 
(in English) It is said that a human is insensitive to the phase change of sound. Based on the character, there are some methods of Acoustic Communication using Phase Modulation. In this kind of methods, it is difficult to raise the data transmission rate and reduce discomfort of hearing at the same time. In this paper, we expect that the discomfort of hearing come from discontinuity in the phase and have tried to reduce it by processing per subcarrier. We suggest three processing methods and compare the effectiveness by using PEAQ algorithm. As a result of the experiments in a sine wave, processing per subcarrier is effective in specific condition. However, we also confirm that it is ineffective when it is applied to the music. As a result of all experiments, we conclude that the impact on the discomfort by breaking relations between subcarriers is stronger than that by discontinuity in the phase.
Keyword (in Japanese) (See Japanese page) 
(in English) Acoustic Communication / Phase Modulation / Discomfort / Processing per Subcarrier / PEAQ algorithm / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 476, SIP2016-201, pp. 357-362, March 2017.
Paper # SIP2016-201 
Date of Issue 2017-02-22 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SP SIP EA  
Conference Date 2017-03-01 - 2017-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics 
Paper Information
Registration To SIP 
Conference Code 2017-03-SP-SIP-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Method of Reducing Discomfort in Acoustic Communication using Phase Modulation by Processing per Subcarrier 
Sub Title (in English)  
Keyword(1) Acoustic Communication  
Keyword(2) Phase Modulation  
Keyword(3) Discomfort  
Keyword(4) Processing per Subcarrier  
Keyword(5) PEAQ algorithm  
1st Author's Name Yuichi Sato  
1st Author's Affiliation The University of Tokyo (UTokyo)
2nd Author's Name Hitoshi Aida  
2nd Author's Affiliation The University of Tokyo (UTokyo)
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Date Time 2017-03-02 16:10:00 
Presentation Time 25 
Registration for SIP 
Paper # IEICE-EA2016-146,IEICE-SIP2016-201,IEICE-SP2016-141 
Volume (vol) IEICE-116 
Number (no) no.475(EA), no.476(SIP), no.477(SP) 
Page pp.357-362 
#Pages IEICE-6 
Date of Issue IEICE-EA-2017-02-22,IEICE-SIP-2017-02-22,IEICE-SP-2017-02-22 

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