A stereo echo canceller implemented using a stereo shaker and a duo-filter control system. - Suehiro Shimauchi; Shoji Makino; Yoichi Haneda; Akira Nakagawa; Sumitaka Sakauchi (ICASSP, 1999)

Robust speech recognition based on HMM composition and modified wiener filter. - Sumitaka Sakauchi; Yoshikazu Yamaguchi; Satoshi Takahashi; Satoshi Kobashikawa (INTERSPEECH, 2004)

Speech Dereverberation by Combining Mint-Based Blind Deconvolution and Modified Spectral Subtraction. - Ken'ichi Furuya; Sumitaka Sakauchi; Akitoshi Kataoka (ICASSP (1), 2006)

Estimating direct-to-reverberant energy ratio based on spatial correlation model segregating direct sound and reverberation. - Yusuke Hioka; Kenta Niwa; Sumitaka Sakauchi; Ken'ichi Furuya; Youichi Haneda (ICASSP, 2010)

Estimation of sound source orientation using eigenspace of spatial correlation matrix. - Kenta Niwa; Yusuke Hioka; Sumitaka Sakauchi; Ken'ichi Furuya; Youichi Haneda (ICASSP, 2010)

Estimating Direct-to-Reverberant Energy Ratio Using D/R Spatial Correlation Matrix Model. - Yusuke Hioka; Kenta Niwa; Sumitaka Sakauchi; Ken'ichi Furuya; Youichi Haneda (IEEE ACM Trans. Audio Speech Lang. Process., 2011)

Telescopic microphone array using reflector for segregating target source from noises in same direction. - Kenta Niwa; Yusuke Hioka; Sumitaka Sakauchi; Ken'ichi Furuya; Yoichi Haneda (ICASSP, 2012)

Diffused sensing for sharp directivity microphone array. - Kenta Niwa; Sumitaka Sakauchi; Ken'ichi Furuya; Manabu Okamoto; Yoichi Haneda (ICASSP, 2012)

Superdirective beamforming using microphone array and single reflector. - Kenta Niwa; Sumitaka Sakauchi; Ken'ichi Furuya; Manabu Okamoto; Yoichi Haneda (ICCE, 2012)

Angular region-wise speech enhancement for hands-free speakerphone. - Yusuke Hioka; Ken'ichi Furuya; Kazunori Kobayashi; Sumitaka Sakauchi; Yoichi Haneda (IEEE Trans. Consumer Electron., 2012)

An Estimation Method of Sound Source Orientation Using Eigenspace Variation of Spatial Correlation Matrix. - Kenta Niwa; Yusuke Hioka; Sumitaka Sakauchi; Ken'ichi Furuya; Yoichi Haneda (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2013)

Read and spontaneous speech classification based on variance of GMM supervectors. - Taichi Asami; Ryo Masumura; Hirokazu Masataki; Sumitaka Sakauchi (INTERSPEECH, 2014)

Mixture of latent words language models for domain adaptation. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi (INTERSPEECH, 2014)

Emphasized Accent Phrase Prediction from Text for Advertisement Text-To-Speech Synthesis. - Hideharu Nakajima; Hideyuki Mizuno; Sumitaka Sakauchi (PACLIC, 2014)

Hierarchical Latent Words Language Models for Robust Modeling to Out-Of Domain Tasks. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (EMNLP, 2015)

Agreement and disagreement utterance detection in conversational speech by extracting and integrating local features. - Atsushi Ando; Taichi Asami; Manabu Okamoto; Hirokazu Masataki; Sumitaka Sakauchi (INTERSPEECH, 2015)

Training data selection for acoustic modeling via submodular optimization of joint kullback-leibler divergence. - Taichi Asami; Ryo Masumura; Hirokazu Masataki; Manabu Okamoto; Sumitaka Sakauchi (INTERSPEECH, 2015)

Combinations of various language model technologies including data expansion and adaptation in spontaneous speech recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (INTERSPEECH, 2015)

Latent words recurrent neural network language models. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (INTERSPEECH, 2015)

Statistical model training technique based on speaker clustering approach for HMM-based speech synthesis. - Yusuke Ijima; Noboru Miyazaki; Hideyuki Mizuno; Sumitaka Sakauchi (Speech Commun., 2015)

Language Identification Based on Generative Modeling of Posteriorgram Sequences Extracted from Frame-by-Frame DNNs and LSTM-RNNs. - Ryo Masumura; Taichi Asami; Hirokazu Masataki; Yushi Aono; Sumitaka Sakauchi (INTERSPEECH, 2016)

Investigation of Combining Various Major Language Model Technologies including Data Expansion and Adaptation. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (IEICE Trans. Inf. Syst., 2016)

N-gram Approximation of Latent Words Language Models for Domain Robust Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Satoshi Takahashi (IEICE Trans. Inf. Syst., 2016)

Domain Adaptation Based on Mixture of Latent Words Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi; Akinori Ito (IEICE Trans. Inf. Syst., 2018)

Latent Words Recurrent Neural Network Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Sumitaka Sakauchi; Akinori Ito (IEICE Trans. Inf. Syst., 2019)

Viterbi Approximation of Latent Words Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Hirokazu Masataki; Sumitaka Sakauchi (J. Inf. Process., 2019)

Hierarchical Latent Words Language Models for Automatic Speech Recognition. - Ryo Masumura; Taichi Asami; Takanobu Oba; Sumitaka Sakauchi (J. Inf. Process., 2021)