Nam Soo KIM


DNN-Based Voice Activity Detection with Multi-Task Learning
Tae Gyoon KANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/02/01
Vol. E99-D  No. 2  pp. 550-553
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
deep neural networkvoice activity detectionmulti-task learning
 Summary | Full Text:PDF(137.5KB)

Supervised Denoising Pre-Training for Robust ASR with DNN-HMM
Shin Jae KANG Kang Hyun LEE Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/12/01
Vol. E98-D  No. 12  pp. 2345-2348
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
deep neural networks (DNNs)pre-trainingdenoisingback-propagationrobust speech recognition
 Summary | Full Text:PDF(79KB)

Target Source Separation Based on Discriminative Nonnegative Matrix Factorization Incorporating Cross-Reconstruction Error
Kisoo KWON Jong Won SHIN Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2015/11/01
Vol. E98-D  No. 11  pp. 2017-2020
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
nonnegative matrix factorizationdiscriminative basiscross-reconstruction error
 Summary | Full Text:PDF(221.2KB)

Statistical Approaches to Excitation Modeling in HMM-Based Speech Synthesis
June Sig SUNG Doo Hwa HONG Hyun Woo KOO Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2013/02/01
Vol. E96-D  No. 2  pp. 379-382
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
HMM-based speech synthesiswaveform interpolationprincipal component analysisnon-negative matrix factorization
 Summary | Full Text:PDF(386.9KB)

Outlier Detection and Removal for HMM-Based Speech Synthesis with an Insufficient Speech Database
Doo Hwa HONG June Sig SUNG Kyung Hwan OH Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/09/01
Vol. E95-D  No. 9  pp. 2351-2354
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
HMM-based speech synthesisdecision tree-based clusteringoutlier detectioninsufficient speech database
 Summary | Full Text:PDF(235.1KB)

Spectral Magnitude Adjustment for MCLT-Based Acoustic Data Transmission
Hwan Sik YUN Kiho CHO Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/05/01
Vol. E95-D  No. 5  pp. 1523-1526
Type of Manuscript:  LETTER
Category: Information Network
Keyword: 
acoustic data transmissionacoustic communicationdata hidingmodulated complex lapped transform
 Summary | Full Text:PDF(299.6KB)

Speech Enhancement Based on Data-Driven Residual Gain Estimation
Yu Gwang JIN Nam Soo KIM Joon-Hyuk CHANG 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2011/12/01
Vol. E94-D  No. 12  pp. 2537-2540
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
speech enhancementnoise reductiondata-driven approachresidual gain estimation
 Summary | Full Text:PDF(173.3KB)

Estimation of Phone Mismatch Penalty Matricesfor Two-Stage Keyword Spotting
Chang Woo HAN Shin Jae KANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/08/01
Vol. E93-D  No. 8  pp. 2331-2335
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
phone mismatch penalty matricesmultistage keyword spottingphone recognition
 Summary | Full Text:PDF(158.8KB)

Study of Prominence Detection Based on Various Phone-Specific Features
Sung Soo KIM Chang Woo HAN Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/08/01
Vol. E93-D  No. 8  pp. 2327-2330
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
prominencephone-specificSVMANNAdaboost
 Summary | Full Text:PDF(146.4KB)

Implementation of HMM-Based Human Activity Recognition Using Single Triaxial Accelerometer
Chang Woo HAN Shin Jae KANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/07/01
Vol. E93-A  No. 7  pp. 1379-1383
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
human activity recognitiontriaxial accelerometerHMMstate transition model
 Summary | Full Text:PDF(601.7KB)

On Detecting Target Acoustic Signals Based on Non-negative Matrix Factorization
Yu Gwang JIN Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/04/01
Vol. E93-D  No. 4  pp. 922-925
Type of Manuscript:  LETTER
Category: Pattern Recognition
Keyword: 
acoustic target signal detectionnon-negative matrix factorizationnormalized projection error
 Summary | Full Text:PDF(232.7KB)

Computationally Efficient Cepstral Domain Feature Compensation
Woohyung LIM Chang Woo HAN Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2009/01/01
Vol. E92-D  No. 1  pp. 86-89
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
feature compensationcepstral domainlinear approximation
 Summary | Full Text:PDF(90.7KB)

Improved Frame Mode Selection for AMR-WB+ Based on Decision Tree
Jong Kyu KIM Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/06/01
Vol. E91-D  No. 6  pp. 1830-1833
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
AMR-WB+audio codingmode selectiondecision tree
 Summary | Full Text:PDF(131KB)

Frame Splitting Scheme for Error-Robust Audio Streaming over Packet-Switching Networks
Jong Kyu KIM Jung Su KIM Hwan Sik YUN Joon-Hyuk CHANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/02/01
Vol. E91-B  No. 2  pp. 677-680
Type of Manuscript:  LETTER
Category: Multimedia Systems for Communications
Keyword: 
perceptual audio codingaudio streamingframe splittingpacket-switching networks
 Summary | Full Text:PDF(227.2KB)

Speech Enhancement Based on Perceptually Comfortable Residual Noise
Jong Won SHIN Joon-Hyuk CHANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/11/01
Vol. E90-B  No. 11  pp. 3323-3326
Type of Manuscript:  LETTER
Category: Multimedia Systems for Communications
Keyword: 
speech enhancementresidual noiseperceptually comfortable noise
 Summary | Full Text:PDF(75.5KB)

Improved Global Soft Decision Using Smoothed Global Likelihood Ratio for Speech Enhancement
Joon-Hyuk CHANG Dong Seok JEONG Nam Soo KIM Sangki KANG 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/08/01
Vol. E90-B  No. 8  pp. 2186-2189
Type of Manuscript:  LETTER
Category: Multimedia Systems for Communications
Keyword: 
global soft decisionSGLRGSAPMOS
 Summary | Full Text:PDF(96.7KB)

Feature Compensation with Model-Based Estimation for Noise Masking
Young Joon KIM Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/02/01
Vol. E90-D  No. 2  pp. 603-605
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
speech recognitionfeature compensationIMMnoise masking
 Summary | Full Text:PDF(95.9KB)

A Statistical Model-Based V/UV Decision under Background Noise Environments
Joon-Hyuk CHANG Nam Soo KIM Sanjit K. MITRA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Vol. E87-D  No. 12  pp. 2885-2887
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
V/UV decisionstatistical modelLaplacianGLLR
 Summary | Full Text:PDF(254.2KB)

Distorted Speech Rejection for Automatic Speech Recognition in Wireless Communication
Joon-Hyuk CHANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/07/01
Vol. E87-D  No. 7  pp. 1978-1981
Type of Manuscript:  LETTER
Category: Speech and Hearing
Keyword: 
pre-rejectionASRwireless communication
 Summary | Full Text:PDF(213.6KB)

Speech Enhancement: New Approaches to Soft Decision
Joon-Hyuk CHANG Nam Soo KIM 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/09/01
Vol. E84-D  No. 9  pp. 1231-1240
Type of Manuscript:  PAPER
Category: Speech and Hearing
Keyword: 
speech enhancementglobal soft decisionhang-overpredicted SNRDCT
 Summary | Full Text:PDF(514.1KB)