Biography

Researcher / Software Engineer with extensive knowledge of audio signal processing. I joined Yamaha Corporation after I received Ph.D. in Engineering from Nara Institute of Science and Technology, 2010. Since joining Yamaha Corporation, I have contributed to applications and services from both research and engineering perspectives. As a researcher, I have in-depth knowledge and experience mainly in the fields of acoustic signal processing and statistics/machine learning. And in addition, I have diverse skills as an engineer, which are extensive experience in real-time audio signal processing, embedded system implementation, backend and frontend implementation for web systems, machine learning service deployment, and mobile application implementation.

Research Themes

• Source separation based on microphone array and machine learning
• Music signal anslysis based on machine learning
• Expert's operation modeling based on machine learning
• Distributed microphone array systems for new-generation multimedia
• Musical noise analysis based on higher-order statistics
• Signal processing for biomechanics

Research keywords

• Speech enhancement / Signal extraction
  • Microphone array or sensor array signal processing
  • Musical noise control for nonlinear signal processing
  • Nonnegative Matrix Factorization
  • Sparse representation
  • Independent Component Analysis or its extension
• Machine Learning
  • Modeling of expert's operation for audio equipments
  • Audio effect parameter estimation based on neural network

Social Activities

• Belongs to:
  • IEEE/SPS, ASJ, JSAI
• Reiviewer:
  • IEEE, Signal Processing, IEICE, ASJ

Skills

• Programming/Implementation
  • C/C++, Python, Swift, Kotlin, C#, R, JavaScript, Rust, bash, VST, Max/MSP, PHP, SQL, nodejs, x86/x86_64, ARM
• Server/Embeded
  • Debian, Yocto, Linux From Scracth, Jenkins, docker, Kubernetes, RPi

Career

Researcher & Software Engineer at Yamaha Corporation, 2010

Ph.D. Eng in Computer Science, 2010, - Nara Institute of Sciene and Technology (NAIST)

M.E. in Computer Science, 2007 - Nara Institute of Science and Technology (NAIST)

B.E. in Computer Science, 2005 - Himeji Institute of Technology

Hobbies/Passion

- playing acousitc guitar, more than 20 years experience

- Parenting

- programming

- playing/watching baseball

- mathematics

- DIY/IoT

Contact

• twitter - @yuu0t