Photo of Cthulu

Sahoko Nakayama

Email:

I'm a PhD. student of Augmented Human Communication laboratory(AHC-lab), Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), Japan.
I'm working on automatic speech recognition (ASR) system, especially focusing on code-switching. My main research topic is "Code-switching ASR with semi-supervised learning of machine speech chain".

Research Interests

Automatic Speech Recognition
Code-switching
Machine Learning

Publications

Conference Papers(with review)

  1. 〇Sahoko Nakayama, Andros Tjandra, Sakriani Sakti, Satoshi Nakamura, “Speech chain for semi-supervised learning of Japanese-English code-switching ASR and TTS,” Proceedings of 2018 IEEE Spoken Language Technology Workshop (SLT), IEEE, Vol.2018, pp.182-189, 2018.

  2. 〇Sahoko Nakayama, Takatomo Kano, Quoc Truong Do, Sakriani Sakti, Satoshi Nakamura, “Japanese-English Code-switching Speech Data Construction,” Proceedings of 2018 Oriental COCOSDA, IEEE, Vol.2018, pp67-71, 2018.

  3. 〇Sahoko Nakayama, Takatomo Kano, Andros Tjandra, Sakriani Sakti, Satoshi Nakamura, “Recognition and Translation of Code-switching Speech Utterances,” 2019 Oriental COCOSDA, accepted on 8th August 2019.

  4. 〇Sahoko Nakayama, Andros Tjandra, Sakriani Sakti, Satoshi Nakamura, “Zero-Shot Code-Switching ASR and TTS with Multilingual Machine Speech Chain,” IEEE Automatic Speech Recognition and Understanding Workshop (ASRU) 2019, accepted on 13th September 2019.

Conference Papers(without review)

  1. 〇中山佐保子, ド クオック チュオン, サクティ サクリアニ, 中村哲,"日英コードスイッチング 音声データの構築", 日本音響学会2018年秋季研究発表会講演論文集,日本音響学会, Vol.2018, pp.1013-1014, 2018.

  2. 〇中山佐保子, チャンドラ アンドロス, サクティ サクリアニ, 中村 哲, "Machne Speech Chainに基づく半教師あり学習を用いた日英コードスイッチング音声の認識" , 言語処理学会第25回年次大会発表論文集,言語処理学会, Vol.2019, pp.179-182, 2019.
Awards
  1. 平成31年度奈良先端科学技術大学院大学優秀学生奨学制度奨学賞(2019)
  2. 国際ソロプチミスト奈良県生駒市クラブ賞(2019)
  3. 日本学生支援機構(JASSO)奨学金の特に優れた業績による全額返還免除対象者(2019)
Education

Nara Institute of Science and Technology(NAIST)

- Ph.D Student2019-present

Department: Graduate School of Science and Technology

Laboratory: Augmented Human Communication Laboratory

- Master of Engineering2017-2019

Department: Graduate School of Information Science

Laboratory: Augmented Human Communication Laboratory

Waseda University2008-2012

Department: School of International Liberal Studies(SILS)

Aichi Prefectural Asahigaoka High School2004-2007


Work Experience
  • RIKEN Center for Advanced Intelligence Project(AIP) 2019-present
    Tourism Information Analytics Team
  • RA at NAIST 2019-present
  • TA at NAIST 2018-2019
  • Applied Technology Corporation 2013-2015
  • IBM Japan, Ltd. 2012-2013
Certifications
  • Oracle Certified Associate, Java Programmer
  • IT Passport