Hiroyuki SEGI

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Name
Hiroyuki SEGI
Affiliation
Seikei University
Section
Faculty of Science and Technology, Department of Computer and Information Science
Job title
Professor

Research Areas

 
 

Academic & Professional Experience

 
Apr 2015
 - 
Mar 2017
Associate Professor, Department of Computer and Information Science, Seikei University
 
Aug 1998
 - 
Mar 2015
Principal Research Engineer, Science and Technology Research Laboratories, Japan Broadcasting Corporation
 
Apr 1996
 - 
Jul 1998
Yamaguchi Station, Japan Broadcasting Corporation
 

Education

 
Apr 2007
 - 
Sep 2010
School of Science for Open and Environmental Systems, Science and Technology, Keio University
 
Apr 1994
 - 
Mar 1996
Department of Physics, Science and Technology, Keio University
 
Apr 1990
 - 
Mar 1994
Department of Physics, Scienece and Technology, Keio University
 

Awards & Honors

 
Mar 2017
An Automatic Broadcast System for the Weather Report Program, Paper Awards from the Telecommunications Advancement Foundation
Winner: H. Segi, R. Takou, N. Seiyama, T. Takagi, Y. Uematsu, H. Saito and S. Ozawa
 
Apr 2013
An Automatic Broadcast System Using Speech Synthesis and Speech Conversion Technology, Prizes for Science and Technology, Minister of Education, Culture, Sports, Science and Technology
 
Jun 2012
Speech Synthesis System for Automatic Broadcast Service, Alumni Award, Keio University Science and Technology
 
Jun 2012
Senior Member, IEEE
 
Mar 2012
Speech Synthesis Technology for Automatic Broadcast Service, Hisoka Maejima Award, Teishin Association
 
May 2011
Development of Speech Synthesis System for Stock-price Bulletins, Technology Development Award, Acoustical Society of Japan (ASJ)
 
Mar 2011
Automatic Broadcast Technology for Stock-price Bulletins, President's Award, Japan Broadcasting Corporation
 
May 2002
Simultaneous Subtitling System with a Speech Recognizer, Technology Development Award, Acoustical Society of Japan (ASJ)
 
May 2002
Simultaneous Subtitling System for Broadcast News Programs with a Speech Recognizer, Paper Award, [8] Institute of Electronics, Information and Communication Engineers (IEICE)
 
May 2001
Simultaneous Subtitling System for Broadcast News Programs with a Speech Recognizer, MPTE Award, Motion Picture and Television Engineering Society of Japan (MPTE)
 

Published Papers

 
Segi Hiroyuki
INTERNATIONAL JOURNAL OF MULTIMEDIA DATA ENGINEERING & MANAGEMENT   7(2) 53-67   Apr 2016   [Refereed]
An Automatic Broadcast System Using Speech Synthesis for the Stock Market Report
Hiroyuki SEGI
The Journal of the Faculty of Science and Technology, Seikei University   52(2) 5-10   Dec 2015
Hiroyuki Segi,Kazuo Onoe,Shoei Sato,Akio Kobayashi,Akio Ando
JITR   7(3) 15-31   2014   [Refereed]
SEGI HIROYUKI, TAKOU REIKO, SEIYAMA NOBUMASA, TAKAGI TOHRU, UEMATSU YUKO, SAITO HIDEO, OZAWA SHINJI
IEEE Trans Broadcast   59(3) 548-555   Sep 2013   [Refereed]
TAKOU REIKO, SEGI HIROYUKI, TAKAGI TOHRU, SEIYAMA NOBUMASA
IEICE Trans Fundam Electron Commun Comput Sci (Inst Electron Inf Commun Eng)   E95-A(4) 751-759   Apr 2012   [Refereed]
A Concatenative Speech Synthesis System for Broadcast Quality
Hiroyuki SEGI
Keio University      Mar 2012   [Refereed]
SEGI Hiroyuki, TAKOU Reiko, SEIYAMA Nobumasa, TAKAGI Tohru, SAITO Hideo, OZAWA Shinji
The Journal of the Institute of Television Engineers of Japan   65(1) 76-83   Jan 2011   [Refereed]
The design method of a sentence set for a speech-synthesis database strongly influences the quality of the synthesized speech. To minimize the costs associated with making the speech recordings and constructing the speech database, the number of t...
Hiroyuki Segi,Reiko Takou,Nobumasa Seiyama,Tohru Takagi,Hideo Saito,Shinji Ozawa
Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011, May 22-27, 2011, Prague Congress Center, Prague, Czech Republic   1757-1760   2011   [Refereed]
SEGI HIROYUKI, TAKOU REIKO, SEIYAMA NOBUMASA, TAKAGI TOHRU
IEEE Trans Consum Electron   56(1) 169-174   Feb 2010   [Refereed]
SEGI HIROYUKI, TAKOU REIKO, SEIYAMA NOBUMASA, TAKAGI TOHRU
IEEE International Conference on Consumer Electronic   9.1-4 411-412   Jan 2010   [Refereed]
SEGI HIROYUKI, TAKO REIKO, SEIYAMA NOBUMASA, TAKAGI TOORU
情報処理学会論文誌ジャーナル(CD-ROM)   50(2) 575-586   Feb 2009   [Refereed]
Segi Hiroyuki, Seiyama Nobumasa, Tako Reiko, Takagi Tohru, Oode Satoshi, Imai Atsushi, Nishiwaki Masamichi, Koyama Ryuji
The journal of the Institute of Image Information and Television Engineers   62(1) 69-76   Jan 2008   [Refereed]
The 'Kabushiki Shikyo' program, broadcast on NHK Radio 2, reports on the daily closing prices and net changes of about 830 stocks listed on the Tokyo Stock Exchange. Reading out the numerical values within the allotted broadcast time without makin...
High Quality Speech Synthesis System Using Speech Rate Conversion for Stock-price Bulletins
Segi Hiroyuki, Seiyama Nobumasa, Tako Reiko, Takagi Tohru, Toda Hideo, Koyama Ryuji
National Association of Broadcasters Proceedings (NAB) Broadcasting Engineering Conference   205-212   Apr 2007   [Refereed]
S. Sato, H. Segi, K. Onoe, E. Miyasaka, H. Isono, T. Imai and A. Ando
Electronics and Communications in Japan Part III-Fundamental Electronic Science   88(2) 41-51   Feb 2005   [Refereed]
Hiroyuki Segi,Tohru Takagi,Takayuki Ito
Fifth ISCA ITRW on Speech Synthesis, Pittsburgh, PA, USA, June 14-16, 2004   115-120   2004   [Refereed]
Kazuo Onoe,Hiroyuki Segi,Takeshi Kobayakawa,Shoei Sato,Shinichi Homma,Toru Imai,Akio Ando
IEICE transactions on information and systems   86(3) 483-488   Mar 2003   [Refereed]
In this paper, we propose a new technique of filter bank subtraction for robust speech recognition under various acoustic conditions. Spectral subtraction is a simple and useful technique for reducing the influence of additive noise. Conventional ...
ANDO Akio, IMAI Toru, KOBAYASHI Akio, HOMMA Shinich, GOTO Jun, SEIYAMA Nobumasa, MISHIMA Takeshi, KOBAYAKAWA Takeshi, SATO Shoei, ONOE Kazuo, SEGI Hiroyuki, IMAI Atsushi, MATSUI Atsushi, NAKAMURA Akira, TANAKA Hideki, TAKAGI Tohru, MIYASAKA Eiichi, ISONO Haruo
IEICE transactions on information and systems   86(1) 15-25   Jan 2003   [Refereed]
There is a strong demand to expand captioned broadcasting for TV news programs in Japan. However, keyboard entry of captioned manuscripts for news program cannot keep pace with the speed of speech, because in the case of Japanese it takes time to ...
SATO Shoei, SEGI Hiroyuki, ONOE Kazuo, MIYASAKA Eiichi, ISONO Haruo, IMAI Toru, ANDO Akio
The transactions of the Institute of Electronics, Information and Communication Engineers. D-II   85(2) 174-183   Feb 2002   [Refereed]
Kazuo Onoe,Hiroyuki Segi,Takeshi Kobayakawa,Shoei Sato,Toru Imai,Akio Ando
7th International Conference on Spoken Language Processing, ICSLP2002 - INTERSPEECH 2002, Denver, Colorado, USA, September 16-20, 2002      2002   [Refereed]
ANDO Akio, IMAI Toru, KOBAYASHI Akio, HONMA Shinichi, GOTO Jun, SEIYAMA Nobumasa, MISHIMA Takeshi, KOBAYAKAWA Takeshi, SATO Shoe, ONOE Kazuo, SEGI Hiroyuki, IMAI Atsushi, MATSUI Atsushi, NAKAMURA Akira, TANAKA Hideki, TAKAGI Tohru, MIYASAKA Eiichi, ISONO Haruo
The transactions of the Institute of Electronics, Information and Communication Engineers. D-II   84(6) 877-887   Jun 2001   [Refereed]
Atsushi Matsui,Hiroyuki Segi,Akio Kobayashi,Toru Imai,Akio Ando
EUROSPEECH 2001 Scandinavia, 7th European Conference on Speech Communication and Technology, 2nd INTERSPEECH Event, Aalborg, Denmark, September 3-7, 2001   709-712   2001   [Refereed]
The Mechanism about memory of the human being
Hiroyuki SEGI
Keio University      Mar 1996   [Refereed]

Conference Activities & Talks

 
加藤悠太, 世木寛之, 酒井浩之
映像情報メディア学会冬季大会講演予稿集(CD-ROM)   6 Dec 2018   
SEGI HIROYUKI, SENOO MASUMI, KOTAKI KUNIHIRO, KURIHARA KIYOSHI, HOSOYA HIROO, IIJIMA SHIN'ICHI, KURATA JUN, SHIBUYA TOMOHIRO
映像情報メディア学会冬季大会講演予稿集(CD-ROM)   26 Nov 2014   
SEGI HIROYUKI
日本音響学会研究発表会講演論文集(CD-ROM)   3 Mar 2014   
SEIYAMA Nobumasa, SEGI Hiroyuki, IMAI Atsushi, TAKAGI Tohru
ITE Winter Annual Convention   18 Dec 2013   
To develop emotional speech synthesis technology for sound broadcasting services, listening test judging emotion of speech data was conducted. The results show that about 300 data can be available to formulate the rule of controlling emotional cha...
SEIYAMA NOBUMASA, SEGI HIROYUKI, IMAI ATSUSHI, TAKAGI TOORU
映像情報メディア学会冬季大会講演予稿集(CD-ROM)   27 Nov 2013   
SEGI HIROYUKI
日本音響学会研究発表会講演論文集(CD-ROM)   5 Mar 2013   
Tohru Takagi, Atsushi Imai, Nobumasa Seiyama, Hiroyuki Segi, Reiko Tako, Naoyuki Tazawa, Yukio Iwahana
IPSJ SIG Notes   19 Oct 2012   
Spoken language plays an important role to transmit broadcasting information to many viewers. Speech signal processing is expected to assist elderly people who are hard to understand rapid speech and/or to develop any tools for improving announcer...
SEGI Hiroyuki, TAKO Reiko, SEIYAMA Nobumasa, TAKAGI Tohru, SAITOU Hideo, OZAWA Shinji
ITE Winter Annual Convention   27 Nov 2009   
We have been conducting research on a high-quality speech synthesis system for automatic audio broadcasting. We propose a method for generating manuscripts for speech database to synthesize definite form sentences.
TAKOU Reiko, SEGI Hiroyuki, SEIYAMA Nobumasa, TAKAGI Tohru
ITE Winter Annual Convention   20 Nov 2008   
We are developing a tool that can synthesize concatenate word speech and correct its degradation in order to make it broadcasting quality. In this study, several correction functions in were introduced into this tool. It is available to investigat...
TAKOU Reiko, SEGI Hiroyuki, SEIYAMA Nobumasa, TAKAGI Tohru
IEICE technical report. Speech   13 Mar 2008   
It could be useful to apply other speaker's speech data to a concatenative speech synthesis system for complementing lack of original speaker's speech database. As a basic study to investigate ability of phoneme replacement, vowels or long vowels ...
Proceedings of the Spoken Document Processing Workshop   29 Feb 2008   
SEGI Hiroyuki, TAKO Reiko, SEIYAMA Nobumasa, TAKAGI Tohru, ARIMORI Hideaki, MATSUMURA Kinji, SIMIZU Toshihiro
ITE Winter Annual Convention   27 Nov 2007   
We have been conducting research on a high-quality speech synthesis system for automatic audio broadcasting. We propose voice synthesizer to read out a news flash for visually impaired.
Matsumura Kinji, Kanatsugu Yasuaki, Segi Hiroyuki, Kondo Satoru, Sakai Tadahiro, Shimizu Toshihiro
Proceedings of the ... ITE annual convention   1 Aug 2007   
This paper describes our study to implement a service that provides visually impaired people with a read-out presentation of a superimposed news flash text. Data broadcasting is used for automatic start-up of speech that is generated by a speech s...
TAKO Reiko, SEGI Hiroyuki, SEIYAMA Nobumasa, TAKAGI Tohru
Proceedings of the ... ITE annual convention   1 Aug 2007   
This paper describes a perceptual experiment on naturalness of replacing a phoneme segment to other speaker's one in a speech synthesis and the results of word speech synthesis by the multi speaker database.
SEIYAMA Nobumasa, SEGI Hiroyuki, TAKO Reiko, TAKAGI Tohru
ITE Winter Annual Convention   20 Nov 2006   
A new pause duration setting method for synthesis by compilation of recorded speech is proposed and its effect is confirmed by subjective evaluation test.
SEGI Hiroyuki, SEIYAMA Nobumasa, TAKO Reiko, TAKAGI Tohru, TODA Hideo, KOYAMA Ryuji
ITE Winter Annual Convention   20 Nov 2006   
We have been conducting research on a high-quality speech synthesis system for automatic audio broadcasting. We propose stock prices voice synthesizer with numerical speech synthesis method and speech rate conversion.
TAKO Reiko, SEGI Hiroyuki, TAKAGI Tohru
ITE Winter Annual Convention   14 Nov 2005   
It is useful to combine multi-speaker's speech database for concatenative speech synthesis system. This paper describes a perceptual study on naturalness and personality by exchanging a phoneme segment to other speaker's one in a word speech synth...
SEGI Hiroyuki, TAKAGI Tohru
IEICE technical report. Speech   15 Aug 2003   
A concatenative speech synthesis method using words and clustered triphones as search units has been proposed. Only 20% words in the sentences, however, satisfy the phoneme context as well as enough quantity in the speech database although most of...
SEGI Hiroyuki, TAKAGI Toru
IEICE technical report. Speech   19 Jun 2003   
Conventional speech databases of the concatenative speech synthesis systems are prepared by using the sentences read with appropriate speed and reading style for speech synthesis. If we can use broadcast programs in our archives as a speech databa...
KOBAYAKAWA Takeshi S., SEGI Hiroyuki, MATSUI Atsushi, ONOE Kazuo, HONMA Shinichi, SATO Shoei, IMAI Toru, ANDO Akio
18 Mar 2002   
KOBAYAKAWA Takeshi S., SEGI Hiroyuki, MATSUI Atsushi, ONOE Kazuo, SATO Shoe, Imai TORU, ANDO Akio
IPSJ SIG Notes   20 Dec 2001   
A new method for estimating dynamic features used in speech recognition is proposed. The proposed method involves: 1)increasing time resolution of static features used for dynamic feature estimation, 2)relaxing the restriction that estimation span...
KOBAYAKAWA Takeshi S., SEGI Hiroyuki, MATSUI Atsushi, ONOE Kazuo, SATO Shoe, Imai TORU, ANDO Akio
IEICE technical report. Natural language understanding and models of communication   13 Dec 2001   
A new method for estimating dynamic features used in speech recognition is proposed. The proposed method involves:1)increasing time resolution of static features used for dynamic feature estimation, 2)relaxing the restriction that estimation span ...
KOBAYAKAWA Takeshi S., SEGI Hiroyuki, MATSUI Atsushi, ONOE Kazuo, SATO Shoe, TORU Imai, ANDO Akio
IEICE technical report. Speech   13 Dec 2001   
A new method for estimating dynamic features used in speech recognition is proposed. The proposed method involves : 1)increasing time resolution of static features used for dynamic feature estimation, 2)relaxing the restriction that estimation spa...
ONOE Kazuo, SEGI Hiroyuki, KOBAYAKAWA Takeshi, SATO Shoei, IMAI Toru, ANDO Akio
1 Oct 2001   
SATO Shoei, SEGI Hiroyuki, ONOE Kazuo, IMAI Toru, ANDO Akio
1 Oct 2001   
S. KOBAYAKAWA Takeshi, SEGI Hiroyuki, ONOE Kazuo, KOBAYASHI Akio, IMAI Toru, ANDO Akio
1 Oct 2001   
SEGI Hiroyuki, KOBAYAKAWA Takeshi, ONOE Kazuo, SATO Shoei, IMAI Toru, ANDO Akio
1 Oct 2001   
ONOE Kazuo, SEGI Hiroyuki, KOBAYAKAWA Takeshi, SATO Shoei, IMAI Toru, ANDO Akio
IEICE technical report. Speech   22 Jun 2001   
We are studying speech recognition for simultaneous subtitling of news programs. One of our current studies is recognition of reporter's speech in the afflicted area, from overseas and so on. Because these speeches are uttered in various acoustic ...
ONOE K., SEGI H., KOBAYAKAWA T., SATO S., IMAI T., ANDO A.
1 Mar 2001   
MATSUI Atsushi, SEGI Hiroyuki, KOBAYASHI Akio, IMAI Toru, ANDO Akio
1 Mar 2001   
SATO Shoei, SEGI Hiroyuki, ONOE Kazuo, IMAI Toru, TANAKA Hideki, ANDO Akio
1 Sep 2000   
SEGI Hiroyuki, KOBAYAKAWA Takeshi, ONOE Kazuo, SATO Shoei, IMAI Toru, TANAKA Hideki, ANDO Akio
1 Sep 2000   
SATO Shoei, SEGI Hiroyuki, ONOE Kazuo, IMAI Toru, TANAKA Hideki, ANDO Akio
IEICE technical report. Speech   15 Jun 2000   
This paper proposes a method of constructing acoustic models for automatic news subtitling. In this method, two-stage clustering is used for an adaptation-data selection from a large-scale database. The first stage generates GMMs from a small amou...
SATO Shoei, SEGI Hiroyuki, ONOE Kazuo, IMAI Toru, TANAKA Hideki, ANDO Akio
1 Mar 2000   
ONOE Kazuo, SEGI Hiroyuki, SATO Shoei, IMAI Toru, TANAKA Hideki, ANDO Akio
1 Mar 2000   
ONOE Kazuo, SEGI Hiroyuki, SATO Shoei, IMAI Toru, ANDO Akio
IEICE technical report. Speech   28 Oct 1999   
In this paper, the effects of the various acoustic conditions on the speech recognition are reported. A broadcast transcription system for simultaneous subtitling of news program is being developed. Speech recognition for studio announcers' speech...
ONOE Kazuo, SEGI Hiroyuki, SATO Shoei, IMAI Toru, ANDO Akio
1 Sep 1999   
SEGI Hiroyuki, ONOE Kazuo, SATO Shoei, IMAI Toru, ANDO Akio
1 Sep 1999