Chai WUTIWIWATCHAI


Speech Analysis Method Based on Source-Filter Model Using Multivariate Empirical Mode Decomposition
Surasak BOONKLA Masashi UNOKI Stanislav S. MAKHANOV Chai WUTIWIWATCHAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/10/01
Vol. E99-A  No. 10  pp. 1762-1773
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
multivariate empirical mode decompositionspeech analysisfundamental frequencyformant frequency
 Summary | Full Text:PDF(1.8MB)

Singular-Spectrum Analysis for Digital Audio Watermarking with Automatic Parameterization and Parameter Estimation
Jessada KARNJANA Masashi UNOKI Pakinee AIMMANEE Chai WUTIWIWATCHAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/08/01
Vol. E99-D  No. 8  pp. 2109-2120
Type of Manuscript:  PAPER
Category: Information Network
Keyword: 
singular-spectrum analysissingular value decompositionsingular valuedifferential evolutionautomatic parameter estimationconcavity density function
 Summary | Full Text:PDF(1MB)

An Interoperability Framework of Open Educational Resources and Massive Open Online Courses for Sustainable e-Learning Platform
Sila CHUNWIJITRA Chanchai JUNLOUCHAI Sitdhibong LAOKOK Pornchai TUMMARATTANANONT Kamthorn KRAIRAKSA Chai WUTIWIWATCHAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/08/01
Vol. E99-D  No. 8  pp. 2140-2150
Type of Manuscript:  PAPER
Category: Educational Technology
Keyword: 
Massive Open Online CoursesOpen Educational ResourcesFedXe-Learningsustainable sharing resources
 Summary | Full Text:PDF(1.5MB)

A Time-Varying Adaptive IIR Filter for Robust Text-Independent Speaker Verification
Santi NURATCH Panuthat BOONPRAMUK Chai WUTIWIWATCHAI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/03/01
Vol. E96-D  No. 3  pp. 699-707
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speaker verificationfeature smoothingadaptive filterGaussian Mixture Model (GMM)Support Vector Machines (SVM)
 Summary | Full Text:PDF(1022.5KB)