|
Speech Recognition, Audio Processing,
Statistical Signal Processing, Machine Learning,
and Game Theory.
• Speech Processing and Audio Perception
Lab, UCLA 09/2007 - present
Research Assistant, Advisor: Prof.
Abeer Alwan
– Bird song detection and classification
– Noise robust F0
tracking.
• Speech Lab, Rosetta Stone 06/2009 - 08/2009
Summer Intern, Mentor: Dr.
Bryan Pellom
– Use statistically-based methods to
decide the pronunciation of a word.
• Speech Group, Mitsubishi Electric Research
Lab 06/2008 - 09/2008
Summer Intern, Mentor: Prof.
Bhiksha Raj
– Discriminative training on Sphinx III.
• Speech Group, Microsoft Research Asia,
Beijing 04/2007 - 08/2007
Summer Intern, Mentor: Dr.
Chao Huang
– Acoustic events (speech, music, ring tone,
background noise) detection in office
environment.
• Microprocessor Tech Lab, Intel China
Research Center, Beijing 07/2006 - 10/2006
Research Intern, Mentor: Dr. Wei Hu
– Main actors locating and tracking on TV series
and movies.
• Tsinghua University, Beijing 09/2004 -
07/2007
Research Assistant, Advisor: Prof.
Jia Liu
– Real-time Speech-To-Text system with
non-speech input rejection on TI 5509 EVM. Master thesis work.
– Non-speech removal frontend for national ’863’
and ’242’ keyword spotting evaluation.
• UFIDA Software Corp., Beijing 02/2004 -
06/2004
Software Intern, Supervisor: Mr. Yu Zhu
– Indexing and displaying the digital map for
on-vehicle GPS software system. Bachelor thesis
work.
• W. Chu, A. Alwan, "A
correlation-maximization denoising filter used
as an enhancement frontend for noise robust bird
call classification,” InterSpeech 2009, pp.
2831-2834. [slides]
• W. Chu, A. Alwan, "Reducing
F0 frame error of F0 tracking algorithms under
noisy conditions with an unvoiced/voiced
classification frontend," ICASSP 2009,
pp.3969-3972. [slides]
• W. Chu, J. Liu, "Using
Confidence Measures to Evaluate the Speaker
Turns in Speaker Segmentation," Proc of Intl
Conf on Information Sciences, Signal Processing
and its Application (ISSPA07).
• W Chu, J. Liu, "Subband
Energy Distance Measure Applied in Multi-Pass
Speech/Non-Speech Discrimination," Proc of
Intl Conf on Information Sciences, Signal
Processing and its Application (ISSPA07).
• W. Chu, X. Xiao, J. Liu, "Confidence
Score Based Unsupervised Incremental Adaptation
for OOV Words
Detection," Proc of Intl Workshops on
Statistical Techniques in Pattern Recognition
(SSSPR06), pp.723-731.
• Wei Chu, "Noise
and Interruptive Speech Rejection for the
Embedded Speech Recognition System," Master
thesis, Tsinghua University, Jun. 2007 (in
Chinese).
 |
