Yasunori Ohishi

Yasunori Ohishi

Senior Manager

NTT EAST, Inc.

Biography

Yasunori Ohishi is a senior manager, Head of Business Technology Development Section, Digial Design Department, Digital Transformation Headquaters in NTT EAST, Inc. His research interests include acoustic signal processing, multimedia content analysis, and music information retrieval.

Interests
  • Acoustic signal processing
  • Multimedia content analysis
  • Music information retrieval
Education

  • PhD in Information Science, 2009

    Nagoya University

  • MSc in Information Science, 2006

    Nagoya University

  • BEng in Electrical and Electronic Engineering and Information Engineering, 2004

    Nagoya University

Recent Posts

A paper presented at EUSIPCO 2025
We are pleased to announce that our paper “Baseline Systems and Evaluation Metrics for Spatial Semantic Segmentation of Sound Scenes” by Binh Thien Nguyen, Masahiro Yasuda, Daiki Takeuchi, Daisuke Niizumi, Yasunori Ohishi, and Noboru Harada has been accepted to EUSIPCO 2025.
Yasunori Ohishi
May 23, 2025 1 min read Spatial Semantic Segmentation of Sound Scenes (S5)
A paper presented at EUSIPCO 2025
Five papers presented at Interspeech 2025
We are pleased to announce that our group’s papers have been accepted to Interspeech 2025.
Yasunori Ohishi
May 23, 2025 1 min read General audio representation, Audio captioning, Voice Conversion
A paper presented at EMBC 2025
We are pleased to announce that our paper “Assessing the Utility of Audio Foundation Models for Heart and Respiratory Sound Analysis” by Daisuke Niizumi, Daiki Takeuchi, Masahiro Yasuda, Binh Thien Nguyen, Yasunori Ohishi, and Noboru Harada has been accepted to EMBC 2025.
Yasunori Ohishi
Apr 28, 2025 1 min read General audio representation
A paper presented at EMBC 2025
See all posts

Skills

Acoustic signal processing

Expert

Multimedia content analysis

Expert

Music information retrieval

Expert

Machine learning

Advanced

Bayesian statistics and modeling

Advanced

Python

Advanced

Recent Publications

Binh Thien Nguyen, Masahiro Yasuda, Daiki Takeuchi, Daisuke Niizumi, Yasunori Ohishi, Noboru Harada (2025). Baseline Systems and Evaluation Metrics for Spatial Semantic Segmentation of Sound Scenes. In EUSIPCO.

Cite Code Dataset Project arXiv

Daiki Takeuchi, Binh Thien Nguyen, Masahiro Yasuda, Yasunori Ohishi, Daisuke Niizumi, Noboru Harada (2025). CLAP-ART: Automated Audio Captioning with Semantic-rich Audio-Representation Tokenizer. In Interspeech.

Cite

Daisuke Niizumi, Daiki Takeuchi, Masahiro Yasuda, Binh Thien Nguyen, Yasunori Ohishi, Noboru Harada (2025). Towards Pre-training an Effective Respiratory Audio Foundation Model. In Interspeech.

Cite Code arXiv

See all publications

Projects

ConceptBeam
Target speech extraction based on “concept” or semantic information.
PDF arXiv
ConceptBeam
The Places Japanese audio caption corpus
Japanese spoken captions for the Places205 image dataset
PDF dataset
The Places Japanese audio caption corpus

Experience

 
 
 
 
 
Senior Manager
NTT EAST, Inc.
Jul 2025 – Present Shinjuku, Tokyo, Japan
Head of Business Technology Development Section, Digital Design Department, Digital Transformation Headquaters in NTT EAST, Inc.
 
 
 
 
 
Senior Research Scientist, Supervisor
NTT Communication Science Laboratories
Nov 2024 – Jun 2025 Atsugi, Kanagawa, Japan
Group Leader of Computational Modeling Research Group, Media Information Laboratory in NTT Communication Science Laboratories.
 
 
 
 
 
Senior Manager
NTT Communication Science Laboratories
Nov 2022 – Oct 2024 Keihanna, Kyoto, Japan
Head of Human Resources in NTT Communication Science Laboratories.
 
 
 
 
 
Senior Research Scientist
NTT Communication Science Laboratories
Jun 2021 – Oct 2022 Atsugi, Kanagawa, Japan
Leading basic researches on acoustic signal processing, crossmodal semantic learning, audio captioning, and sound event localization and detection. Presented in major international conferences such as ICASSP, Interspeech, and DCASE.
 
 
 
 
 
Assistant Manager
NTT Communication Science Laboratories
Apr 2019 – May 2021 Atsugi, Kanagawa, Japan
Administrative and clerical supports for researchers and budget managements in Media Information Laboratory and Moriya Research Laboratory.
 
 
 
 
 
Senior Research Scientist
NTT Communication Science Laboratories
Oct 2017 – Mar 2019 Atsugi, Kanagawa, Japan
Leading basic researches on crossmodal semantic learning and multimedia event detection.
 
 
 
 
 
Deputy Manager
NTT Data
Oct 2014 – Sep 2017 Toyosu, Tokyo, Japan
Project leader for robust media search services, ‘MediaSearch+’
 
 
 
 
 
Research Scientist
NTT Communication Science Laboratories
Apr 2009 – Sep 2014 Atsugi, Kanagawa, Japan
Leading basic researches on singing voice information processing and sound event detection. Presented in major international conferences such as ICASSP and Interspeech.
 
 
 
 
 
PhD Student
Nagoya University
Apr 2006 – Mar 2009 Nagoya, Aichi, Japan
Research for analysis-synthesis model of singing voice that characterize varied singing behaviors and its practical applications.
 
 
 
 
 
MSc Student
Nagoya University
Apr 2004 – Mar 2006 Nagoya, Aichi, Japan
Research for discrimination between singing and speaking voices.
 
 
 
 
 
BEng Student
Nagoya University
Apr 2003 – Mar 2004 Nagoya, Aichi, Japan
Research for statistical analysis for the word hierarchy using an encyclopedic corpus.

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