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Detail of Laboratories

Computer Acoustics and Hearing



Regents professor

  • Hirofumi NAKAJIMA: Professor
  • Acoustics
  • Signal processing
  • Audio
  • Hearing

Topics of research

1. Acoustic signal processing
2. Applied acoustics
3. Music and hearing

Research content

1. Acoustic signal processing
Investigation and development for signal processing algorithms:
-Nonlinear distortion supression
-Wind noise reduction.

2. Applied acoustics
Application and system development using acoustic signal:
- Screening of sleep apnea syndrome using sounds of snores
- 3D audio system (Ortho-Stereophonic System)

3. Music and hearing
- Automatic music transcription
- Subjective evaluation of equal temperament and just intonation.