Hien Ohnaka

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I’m a master student of Nara Institute of Science and Technology (NAIST), Japan. My professor is Koichiro Yoshino. Also, I’m a part-time job engineer/researcher at LY corp.

My reseach interests are spoken language processing and audio signal processing.

selected publications

  1. Sound synthesis
    Peer-reviewed
    First
    Visual Onoma-to-Wave: Environmental Sound Synthesis from Visual Onomatopoeias and Sound-Source Images
    Hien Ohnaka, Shinnosuke Takamichi, Keisuke Imoto, and 3 more authors
    In Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2023
    DOI arXiv Code Website
  2. Speech enhancement
    Peer-reviewed
    First
    Unsupervised speech enhancement with spectral kurtosis and double deep priors
    Hien Ohnaka and Ryoichi Miyazaki
    Acoustical Science and Technology, Feb 2025
    DOI arXiv Code
  3. Speech synthesis
    Peer-reviewed
    First
    Grapheme-Coherent Phonemic and Prosodic Annotation of Speech by Implicit and Explicit Grapheme Conditioning
    Hien Ohnaka, Yuma Shirahata, Byeongseon Park, and 1 more author
    In Proceedings of Interspeech, Aug 2025
    DOI arXiv