Yoichi YAMASHITA


Multiple Sound Source Localization Based on Inter-Channel Correlation Using a Distributed Microphone System in a Real Environment
Kook CHO  Hajime OKUMURA  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2010/09/01
Vol. E93-D  No. 9  pp. 2463-2471
Type of Manuscript: Special Section PAPER (Special Section on Processing Natural Speech Variability for Improved Verbal Human-Computer Interaction)
Category: Microphone Array
Keyword: 
real environmentmultiple sound sourcessound source localizationdistributed microphone systeminter-channel correlationTDOA
  Summary |  Full Text:PDF (906.1KB)

Omnidirectional Audio-Visual Talker Localization Based on Dynamic Fusion of Audio-Visual Features Using Validity and Reliability Criteria
Yuki DENDA  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2008/03/01
Vol. E91-D  No. 3  pp. 598-606
Type of Manuscript: Special Section PAPER (Special Section on Robust Speech Processing in Realistic Environments)
Category: Applications
Keyword: 
omnidirectional talker localizationdynamic fusionDOA estimationhuman position estimationAV applications
  Summary |  Full Text:PDF (902.4KB)

Robust Talker Direction Estimation Based on Weighted CSP Analysis and Maximum Likelihood Estimation
Yuki DENDA  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/03/01
Vol. E89-D  No. 3  pp. 1050-1057
Type of Manuscript: Special Section PAPER (Special Section on Statistical Modeling for Speech Processing)
Category: Speech Enhancement
Keyword: 
robust talker direction estimationCSP analysisCSP coefficient subtractionML estimationmicrophone array
  Summary |  Full Text:PDF (1.1MB)

Automatic Scoring for Prosodic Proficiency of English Sentences Spoken by Japanese Based on Utterance Comparison
Yoichi YAMASHITA  Keisuke KATO  Kazunori NOZAWA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/03/01
Vol. E88-D  No. 3  pp. 496-501
Type of Manuscript: Special Section PAPER (Special Section on Corpus-Based Speech Technologies)
Category: Speech Synthesis and Prosody
Keyword: 
prosodycomparison unitfitting errormultiple regression modelCALL
  Summary |  Full Text:PDF (308.1KB)

A Stochastic F0 Contour Model Based on Clustering and a Probabilistic Measure
Yoichi YAMASHITA  Tomoyoshi ISHIDA  Kazuki SHIMADERA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/03/01
Vol. E86-D  No. 3  pp. 543-549
Type of Manuscript: Special Section PAPER (Special Issue on Speech Information Processing)
Category: Speech Synthesis and Prosody
Keyword: 
speech synthesisF0 modelclusteringbunsetsu F0 shapestochastic method
  Summary |  Full Text:PDF (505.6KB)

An Utterance Prediction Method Based on the Topic Transition Model
Yoichi YAMASHITA  Takashi HIRAMATSU  Osamu KAKUSHO  Riichiro MIZOGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/06/20
Vol. E78-D  No. 6  pp. 622-628
Type of Manuscript: Special Section PAPER (Special Issue on Spoken Language Processing)
Category: 
Keyword: 
utterance predictiontopicdialogmodelspoken dialog understanding
  Summary |  Full Text:PDF (671.3KB)

Tree-Based Approaches to Automatic Generation of Speech Synthesis Rules for Prosodic Parameters
Yoichi YAMASHITA  Manabu TANAKA  Yoshitake AMAKO  Yasuo NOMURA  Yoshikazu OHTA  Atsunori KITOH  Osamu KAKUSHO  Riichiro MIZOGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/11/20
Vol. E76-A  No. 11  pp. 1934-1941
Type of Manuscript: Special Section PAPER (Special Section on Speech Synthesis: Current Technologies and Thier Application)
Category: 
Keyword: 
speech synthesisdecision treeautomatic rule generationaccent componentlong noun phrase
  Summary |  Full Text:PDF (776.4KB)

MASCOTS II: A Dialog Manager in General Interface for Speech Input and Output
Yoichi YAMASHITA  Hideaki YOSHIDA  Takashi HIRAMATSU  Yasuo NOMURA  Riichiro MIZOGUCHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/01/20
Vol. E76-D  No. 1  pp. 74-83
Type of Manuscript: Special Section PAPER (Special Issue on Speech and Discourse Processing in Dialogue Systems)
Category: 
Keyword: 
speech interfacedialog managementtopicspoken dialogutterance prediction
  Summary |  Full Text:PDF (952.4KB)

MASCOTS: Dialog Management System for Speech Understanding System
Tetsuya YAMAMOTO  Yoshikazu OHTA  Yoichi YAMASHITA  Osamu KAKUSHO  Riichiro MIZOGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/07/20
Vol. E74-A  No. 7  pp. 1881-1888
Type of Manuscript: Special Section PAPER (Special Issue on Continuous Speech Recognition and Understanding)
Category: Speech Understanding
Keyword: 
  Summary |  Full Text:PDF (778.4KB)