CV

Education, experience, selected publications, awards, and domestic presentations.

General information

Name Hien Ohnaka
Title Engineer
Email ohnaka.hien@gmail.com
Location Japan
Summary Full-time engineer at LY Corporation, Japan.
GitHub i17oonaka-h
X nehi_h

Experience

  • 2026-04 – present
    Full-time Engineer
    LY Corporation

    Japan

  • 2024-12 – 2026-03
    Part-time Researcher
    LY Corporation R&D

    Japan

    • Improved phonemic and prosodic annotation models for text-to-speech; the work was accepted to Interspeech 2025.
    • Researched neural vocoders for high-quality speech generation from self-supervised speech features; the work was accepted to ICASSP 2026.
  • 2025-02 – 2025-03
    Research Intern
    NTT Communication Science Laboratories

    Japan

    • Researched post-refinement of ASR hypotheses for joint multi-channel distant speech recognition.
  • 2024-08 – 2024-10
    Research Intern
    LY Corporation R&D

    Japan

    • Improved phonemic and prosodic annotation models for text-to-speech and related subtasks.
  • 2022-06 – 2022-07
    Research Intern
    The University of Tokyo

    Japan

    • Researched environmental sound synthesis from visual onomatopoeia; the work was accepted to ICASSP 2023.

Education

  • 2024-04 – 2026-03
    Nara Institute of Science and Technology
    M.S., Information Science

    Japan

    • Graduate School of Science and Technology, Master's Course.
    • Intelligent Robot Dialogue Laboratory (RIKEN), supervised by Prof. Koichiro Yoshino.
    • Received the NAIST Best Student Award.
  • 2022-04 – 2024-03
    National Institute of Technology, Tokuyama College
    B.E., Computer Science and Electronic Engineering

    Japan

    • Advanced Course.
    • Miyazaki Laboratory, supervised by Prof. Ryoichi Miyazaki.
  • 2017-04 – 2022-03
    National Institute of Technology, Tokuyama College
    Computer Science and Electronic Engineering

    Japan

    • Regular Course.
    • Miyazaki Laboratory, supervised by Prof. Ryoichi Miyazaki.

Selected Publications

Awards

  • 2026-03
    Best Student Award

    Awarded by Nara Institute of Science and Technology. Announcement

  • 2025-03
    Committee Special Award

    Awarded by the Association for Natural Language Processing for work on jointly predicting response timing and short responses for real-time spoken dialogue systems. Award details

  • 2024-12
    IEEE SPS Tokyo Joint Chapter Student Award

    Awarded for Visual Onoma-to-Wave. Award details

Domestic Presentations (Non-peer-reviewed)