Kentaro Ishizuka - researchr alias

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Viewing Publication 1 - 31 from 31

2010

Noise robust voice activity detection based on periodic to aperiodic component ratioKentaro Ishizuka, Tomohiro Nakatani, Masakiyo Fujimoto, Noboru Miyazaki. speech, 52(1):41-60, 2010. [doi]

Speech Activity Detection for Multi-Party Conversation Analyses Based on Likelihood Ratio Test on Spatial MagnitudeKentaro Ishizuka, Shoko Araki, T. Kawahara. taslp, 18(6):1354-1365, 2010. [doi]

2009

2008

Speaker indexing and speech enhancement in real meetings / conversationsShoko Araki, Masakiyo Fujimoto, Kentaro Ishizuka, Hiroshi Sawada, Shoji Makino. icassp 2008: 93-96 [doi]

Noise Robust Voice Activity Detection Based on Switching Kalman FilterMasakiyo Fujimoto, Kentaro Ishizuka. ieicet, 91-D(3):467-477, 2008. [doi]

A voice activity detection based on the adaptive integration of multiple speech features and a signal decision schemeMasakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani. icassp 2008: 4441-4444 [doi]

Study of integration of statistical model-based voice activity detection and noise suppressionMasakiyo Fujimoto, Kentaro Ishizuka, Tomohiro Nakatani. interspeech 2008: 2008-2011 [doi]

Statistical speech activity detection based on spatial power distribution for analyses of poster presentationsKentaro Ishizuka, Shoko Araki, Tatsuya Kawahara. interspeech 2008: 99-102 [doi]

Multi-modal recording, analysis and indexing of poster sessionsTatsuya Kawahara, Hisao Setoguchi, Katsuya Takanashi, Kentaro Ishizuka, Shoko Araki. interspeech 2008: 1622-1625 [doi]

A method for fundamental frequency estimation and voicing decision: Application to infant utterances recorded in real acoustical environmentsTomohiro Nakatani, Shigeaki Amano, Toshio Irino, Kentaro Ishizuka, Tadahisa Kondo. speech, 50(3):203-214, 2008. [doi]

A realtime multimodal system for analyzing group meetings by combining face pose tracking and speaker diarizationKazuhiro Otsuka, Shoko Araki, Kentaro Ishizuka, Masakiyo Fujimoto, Martin Heinrich, Junji Yamato. icmi 2008: 257-264 [doi]

Voice activity detection based on adjustable linear prediction and GARCH modelsHiroko Kato Solvang, Kentaro Ishizuka, Masakiyo Fujimoto. speech, 50(6):476-486, 2008. [doi]

2007

Noise robust voice activity detection based on switching kalman filterMasakiyo Fujimoto, Kentaro Ishizuka. interspeech 2007: 2933-2936 [doi]

Noise Robust Voice Activity Detection Based on Statistical Model and Parallel Non-Linear Kalman FilteringMasakiyo Fujimoto, Kentaro Ishizuka, Hiroko Kato Solvang. icassp 2007: 797-800 [doi]

Noise robust front-end processing with voice activity detection based on periodic to aperiodic component ratioKentaro Ishizuka, Tomohiro Nakatani, Masakiyo Fujimoto, Noboru Miyazaki. interspeech 2007: 230-233 [doi]

The world of mushrooms: human-computer interaction prototype systems for ambient intelligenceYasuhiro Minami, Minako Sawaki, Kohji Dohsaka, Ryuichiro Higashinaka, Kentaro Ishizuka, Hideki Isozaki, Tatsushi Matsubayashi, Masato Miyoshi, Atsushi Nakamura, Takanobu Oba, Hiroshi Sawada, Takeshi Yamada, Eisaku Maeda. icmi 2007: 366-373 [doi]

Two-Microphone Voice Activity Detection Based on the Homogeneity of the Direction of Arrival EstimatesJuan E. Rubio, Kentaro Ishizuka, Hiroshi Sawada, Shoko Araki, Tomohiro Nakatani, Masakiyo Fujimoto. icassp 2007: 385-388 [doi]

2006

A Feature for Voice Activity Detection Derived from Speech Analysis with the Exponential Autoregressive ModelKentaro Ishizuka, Hiroko Kato Solvang. icassp 2006: 789-792 [doi]

A feature extraction method using subband based periodicity and aperiodicity decomposition with noise robust frontend processing for automatic speech recognitionKentaro Ishizuka, Tomohiro Nakatani. speech, 48(11):1447-1457, 2006. [doi]

Study of noise robust voice activity detection based on periodic component to aperiodic component ratioKentaro Ishizuka, Tomohiro Nakatani. interspeech 2006: 65-70 [doi]

2005

A longitudinal analysis of the spectral peaks of vowels for a Japanese infantKentaro Ishizuka, Ryoko Mugitani, Hiroko Kato Solvang, Shigeaki Amano. interspeech 2005: 1169-1172 [doi]

Speech Signal Analysis with Exponential Autoregressive ModelKentaro Ishizuka, Hiroko Kato Solvang, Tomohiro Nakatani. icassp 2005: 225-228 [doi]

2004

Fundamental Frequency Estimation for Noisy Speech Using Entropy-Weighted Periodic and Harmonic FeaturesYuichi Ishimoto, Kentaro Ishizuka, Kiyoaki Aikawa, Masato Akagi. ieicet, 87-D(1):205-214, 2004. [doi]

Speech feature extraction method representing periodicity and aperiodicity in sub bands for robust speech recognitionKentaro Ishizuka, Noboru Miyazaki. icassp 2004: 141-144 [doi]

Improvement in robustness of speech feature extraction method using sub-band based periodicity and aperiodicity decompositionKentaro Ishizuka, Noboru Miyazaki, Tomohiro Nakatani, Yasuhiro Minami. interspeech 2004: 937-940 [doi]

2002

Noise-robust speech recognition using a new spectral estimation method "PHASOR"Kiyoaki Aikawa, Kentaro Ishizuka. icassp 2002: 397-400 [doi]

Effect of F0 fluctuation and amplitude modulation of natural vowels on vowel identification in noisy environmentsKentaro Ishizuka, Kiyoaki Aikawa. interspeech 2002: 1633-1636 [doi]

2000

A Live Video Imaging Method for Capturing Presentation Information in Distance LearningYoshinari Kameda, Kentaro Ishizuka, Michihiko Minoh. icmcs 2000: 1237-1240

1998

Speaking-style dependent lexicalized filler model for key-phrase detection and verificationTatsuya Kawahara, Kentaro Ishizuka, Shuji Doshita, Chin-Hui Lee. interspeech 1998: [doi]

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Publications by 'Kentaro Ishizuka'

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2010

2009

2008

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2005

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2002

2000

1998

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