About
I am a Principal Lead Scientist at Applied Science Group in Windows and Device Group. I have been with Microsoft since 2000. My area of interests is in signal processing and machine learning for audio, speech, and other sensor data.
Past projects
- Audio and voice compression: Bitrate/bandwidth scalable codec, MELP codec at 1.2kbps, and Windows Media Audio and Voice codec.
- Audio matching: Voice note application and music recognition service.
- Microphone array processing: Beamforming and sound source localization.
- Audio/voice detection and recognition: Keyword spotting and speaker verification.
Education
- B.S degree in Electrical Engineering from the Tokyo Institute of Technology, Japan, in 1994.
- M.S. degree in Electrical Engineering from the Tokyo Institute of Technology, Japan, in 1995.
- Ph.D. degree in Electrical Engineering from the Tokyo Institute of Technology, Japan, in 1998. Dissertation title: Speech Coding Based on Mel-Generalized Cepstral Analysis.
- Post doctoral researcher at Signal Compression Lab in the University of California, Santa Barbara, 1998-2000.