Takanobu NISHIURA


Musical Tone Reduction by Weighted Iterative Spectral Subtraction for the Speech Recorded in Noisy Environments
Keisuke HORII  Takahiro FUKUMORI  Masanori MORISE  Masato NAKAYAMA  Takanobu NISHIURA  Yoichi YAMASHITA  Hiroaki NANJO 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/03/01
Vol. J96-D  No. 3  pp. 664-674
Type of Manuscript: Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
noise reductionspeech enhancementmusical toneiterative spectral subtractionequal loudness contours
  Summary |  Full Text(in Japanese):PDF (2.6MB)

Formulation of Demodulation Criterion Based on Spectral Envelope for Parametric Loudspeaker
Daisuke IKEFUJI  Masato NAKAYAMA  Takanobu NISHIURA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2013/03/01
Vol. J96-D  No. 3  pp. 655-663
Type of Manuscript: Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
parametric loudspeakerultrasoundself demodulationspectral envelopeevaluation criterion
  Summary |  Full Text(in Japanese):PDF (1.3MB)

Improvement of High-Quality Vocoder STRAIGHT for Vocal Manipulation System Based on Fundamental Frequency Transcription
Kota NAKANO  Masanori MORISE  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2012/07/01
Vol. J95-A  No. 7  pp. 563-572
Type of Manuscript: Special Section PAPER (Special Issue on Emerging Technologies in Electronics, Information and Communication)
Category: 
Keyword: 
Karaokevocodersinging voice processingfundamental frequency transcription
  Summary |  Full Text(in Japanese):PDF (945.9KB)

Sound Quality Improvement of Parametric Loudspeaker by Weighted Double SideBand Modulation
Daisuke IKEFUJI  Masanori MORISE  Takanobu NISHIURA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2012/03/01
Vol. J95-D  No. 3  pp. 588-596
Type of Manuscript: Special Section PAPER (Special Issue on Student Research)
Category: 
Keyword: 
parametric loudspeakeramplitude modulationmodulation methodsidebandweighting
  Summary |  Full Text(in Japanese):PDF (1.5MB)

A Rapid Spectrum Envelope Estimation Technique of Vowel for High-Quality Speech Synthesis
Masanori MORISE  Takashi MATSUBARA  Kota NAKANO  Takanobu NISHIURA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/07/01
Vol. J94-D  No. 7  pp. 1079-1087
Type of Manuscript: PAPER
Category: 
Keyword: 
voice analysisvoice synthesisVocoderspectrum envelopepitch synchronous analysis
  Summary |  Full Text(in Japanese):PDF (386.8KB)

Performance Estimation of Reverberant Speech Recognition Based on Reverberant Criteria RSR-Dn with Acoustic Parameters
Takahiro FUKUMORI  Masanori MORISE  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2011/04/01
Vol. J94-D  No. 4  pp. 712-720
Type of Manuscript: PAPER
Category: 
Keyword: 
reverberant speech recognitionperformance estimationacoustic parametersreverberation time
  Summary |  Full Text(in Japanese):PDF (1.1MB)

Rapid F0 Estimation for High-SNR Speech Based on Fundamental Component Extraction
Masanori MORISE  Hideki KAWAHARA  Takanobu NISHIURA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2010/02/01
Vol. J93-D  No. 2  pp. 109-117
Type of Manuscript: PAPER
Category: 
Keyword: 
speech analysisF0 estimationfundamental component extractionlow-pass filter
  Summary |  Full Text(in Japanese):PDF (376.5KB)

Noisy Speech Recognition Using Adaptive Microphone-array Based on Vowel/Consonant-Based Features
Masato NAKAYAMA  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-D  No. 9  pp. 1568-1578
Type of Manuscript: PAPER
Category: 
Keyword: 
microphone arraybeamformingadaptive arrayvowels/consonants featuresnoisy speech recognition
  Summary |  Full Text(in Japanese):PDF (1.2MB)

Voice Activity Detection of Distant-Talking Speech Based on Dynamic Time-Domain Processing Using Talker Direction Estimation
Yuki DENDA  Takamasa TANAKA  Yu MIZOGUCHI  Masato NAKAYAMA  Takanobu NISHIURA  Yoichi YAMASHITA 
Publication:   D - Abstracts of IEICE TRANSACTIONS on Information and Systems (Japanese Edition)
Publication Date: 2009/01/01
Vol. J92-D  No. 1  pp. 112-122
Type of Manuscript: PAPER
Category: 
Keyword: 
voice activity detectiontalker direction estimationweighted cross-power spectrum phase analysiszero crossingmicrophone array
  Summary |  Full Text(in Japanese):PDF (656.2KB)