Hwai-Tsu HU


The Use of Highpass Filtered Time-Spread Echo for Pitch Scaling Detection
Hwai-Tsu HU Hsien-Hsin CHOU Ling-Yuan HSU 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/07/01
Vol. E97-A  No. 7  pp. 1623-1626
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
pitch scalingtime-spread echoaudio watermarking
 Summary | Full Text:PDF(375.8KB)

A Perceptually Adaptive QIM Scheme for Efficient Watermark Synchronization
Hwai-Tsu HU Chu YU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/12/01
Vol. E95-D  No. 12  pp. 3097-3100
Type of Manuscript:  LETTER
Category: Information Network
Keyword: 
audio watermarkingadaptive quantization index modulationframe synchronization
 Summary | Full Text:PDF(448.5KB)

Combining HMM and Weighted Deviation Linear Transformation for Highband Speech Parameter Estimation
Hwai-Tsu HU Chu YU 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/07/01
Vol. E92-D  No. 7  pp. 1488-1490
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
wideband recoveryHMM-based parameter estimationweighted deviation linear transformation
 Summary | Full Text:PDF(98.6KB)

A Pseudo Glottal Excitation Model for the Linear Prediction Vocoder with Speech Signals Coded at 1.6 kbps
Hwai-Tsu HU Fang-Jang KUO Hsin-Jen WANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2000/08/25
Vol. E83-D  No. 8  pp. 1654-1661
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech codingvocoderpseudo glottal excitationlinear prediction
 Summary | Full Text:PDF(564.8KB)