Consonant enhancement for articulation disorders based on non-negative matrix factorization. - Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yasuo Ariki (APSIPA, 2012)

Individuality-preserving voice conversion for articulation disorders based on non-negative matrix factorization. - Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yasuo Ariki (ICASSP, 2013)

Exemplar-based individuality-preserving voice conversion for articulation disorders in noisy environments. - Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2013)

Voice conversion based on Non-negative Matrix Factorization in noisy environments. - Takao Fujii; Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yasuo Ariki (SII, 2013)

Individuality-Preserving Voice Conversion for Articulation Disorders Using Locality-Constrained NMF. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (SLPAT, 2013)

Noise-robust voice conversion based on spectral mapping on sparse space. - Ryoichi Takashima; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (SSW, 2013)

Exemplar-based emotional voice conversion using non-negative matrix factorization. - Ryo Aihara; Reina Ueda; Tetsuya Takiguchi; Yasuo Ariki (APSIPA, 2014)

Voice conversion based on Non-negative matrix factorization using phoneme-categorized dictionary. - Ryo Aihara; Toru Nakashika; Tetsuya Takiguchi; Yasuo Ariki (ICASSP, 2014)

Multimodal voice conversion using non-negative matrix factorization in noisy environments. - Kenta Masaka; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (ICASSP, 2014)

Error correction of automatic speech recognition based on normalized web distance. - E. Byambakhishig; Katsuyuki Tanaka; Ryo Aihara; Toru Nakashika; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2014)

Multimodal exemplar-based voice conversion using lip features in noisy environments. - Kenta Masaka; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2014)

Individuality-preserving Voice Conversion for Articulation Disorders Using Dictionary Selective Non-negative Matrix Factorization. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (SLPAT@ACL, 2014)

A preliminary demonstration of exemplar-based voice conversion for articulation disorders using an individuality-preserving dictionary. - Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yasuo Ariki (EURASIP J. Audio Speech Music. Process., 2014)

Noise-Robust Voice Conversion Based on Sparse Spectral Mapping Using Non-negative Matrix Factorization. - Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yasuo Ariki (IEICE Trans. Inf. Syst., 2014)

Noise-robust voice conversion using a small parallel data based on non-negative matrix factorization. - Ryo Aihara; Takao Fujii; Toru Nakashika; Tetsuya Takiguchi; Yasuo Ariki (EUSIPCO, 2015)

Activity-mapping non-negative matrix factorization for exemplar-based voice conversion. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (ICASSP, 2015)

Many-to-many voice conversion based on multiple non-negative matrix factorization. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2015)

Individuality-Preserving Spectrum Modification for Articulation Disorders Using Phone Selective Synthesis. - Reina Ueda; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (SLPAT@Interspeech, 2015)

Many-to-one voice conversion using exemplar-based sparse representation. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (WASPAA, 2015)

Small-parallel exemplar-based voice conversion in noisy environments using affine non-negative matrix factorization. - Ryo Aihara; Takao Fujii; Toru Nakashika; Tetsuya Takiguchi; Yasuo Ariki (EURASIP J. Audio Speech Music. Process., 2015)

Multimodal voice conversion based on non-negative matrix factorization. - Kenta Masaka; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (EURASIP J. Audio Speech Music. Process., 2015)

Audio-Visual Speech Recognition Using Convolutive Bottleneck Networks for a Person with Severe Hearing Loss. - Yuki Takashima; Yasuhiro Kakihara; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki; Nobuyuki Mitani; Kiyohiro Omori; Kaoru Nakazono (IPSJ Trans. Comput. Vis. Appl., 2015)

Individuality-Preserving Voice Conversion for Articulation Disorders Using Phoneme-Categorized Exemplars. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (ACM Trans. Access. Comput., 2015)

Selection of an optimum random matrix using a genetic algorithm for acoustic feature extraction. - Yuichiro Kataoka; Toru Nakashika; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (ICIS, 2016)

Semi-non-negative matrix factorization using alternating direction method of multipliers for voice conversion. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (ICASSP, 2016)

Parallel Dictionary Learning for Voice Conversion Using Discriminative Graph-Embedded Non-Negative Matrix Factorization. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2016)

Audio-Visual Speech Recognition Using Bimodal-Trained Bottleneck Features for a Person with Severe Hearing Loss. - Yuki Takashima; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki; Nobuyuki Mitani; Kiyohiro Omori; Kaoru Nakazono (INTERSPEECH, 2016)

Multiple Non-Negative Matrix Factorization for Many-to-Many Voice Conversion. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (IEEE ACM Trans. Audio Speech Lang. Process., 2016)

Phoneme-Discriminative Features for Dysarthric Speech Conversion. - Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (INTERSPEECH, 2017)

Visual-to-speech conversion based on maximum likelihood estimation. - Rina Ra; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki (MVA, 2017)

Multichannel NMF with Reduced Computational Complexity for Speech Recognition. - Taiki Izumi; Takanobu Uramoto; Shingo Uenohara; Ken'ichi Furuya; Ryo Aihara; Toshiyuki Hanazawa; Yohei Okato (APSIPA, 2018)

Reducing Computational Complexity of Multichannel Nonnegative Matrix Factorization Using Initial Value Setting for Speech Recognition. - Taiki Izumi; Ryo Aihara; Toshiyuki Hanazawa; Yohei Okato; Takanobu Uramoto; Shingo Uenohara; Ken'ichi Furuya (CISIS, 2018)

Teacher-student Deep Clustering for Low-delay Single Channel Speech Separation. - Ryo Aihara; Toshiyuki Hanazawa; Yohei Okato; Gordon Wichern; Jonathan Le Roux (ICASSP, 2019)

Unsupervised domain adaptation for lip reading based on cross-modal knowledge distillation. - Yuki Takashima; Ryoichi Takashima; Ryota Tsunoda; Ryo Aihara; Tetsuya Takiguchi; Yasuo Ariki; Nobuaki Motoyama (EURASIP J. Audio Speech Music. Process., 2021)

Speaker-Targeted Audio-Visual Speech Recognition Using a Hybrid CTC/Attention Model with Interference Loss. - Ryota Tsunoda; Ryo Aihara; Ryoichi Takashima; Tetsuya Takiguchi; Yoshie Imai (ICASSP, 2022)

Self-supervised learning using unlabeled speech with multiple types of speech disorder for disordered speech recognition. - Ryoichi Takashima; Takeru Otani; Ryo Aihara; Tetsuya Takiguchi; Shinya Taguchi (ASSETS, 2024)

Generation of Colored Subtitle Images Based on Emotional Information of Speech Utterances. - Ryoichi Takashima; Fumiya Nakamura; Ryo Aihara; Tetsuya Takiguchi; Yusuke Itani (EUSIPCO, 2024)

Dysarthric Speech Recognition Using Pseudo-Labeling, Self-Supervised Feature Learning, and a Joint Multi-Task Learning Approach. - Ryoichi Takashima; Yuya Sawa; Ryo Aihara; Tetsuya Takiguchi; Yoshie Imai (IEEE Access, 2024)

Factorized RVQ-GAN For Disentangled Speech Tokenization. - Sameer Khurana; Dominik Klement; Antoine Laurent; Dominik Bobos; Juraj Novosad; Peter Gazdik; Ellen Zhang; Zili Huang; Amir Hussein; Ricard Marxer; Yoshiki Masuyama; Ryo Aihara; et al. (CoRR, 2025)

FasTUSS: Faster Task-Aware Unified Source Separation. - Francesco Paissan; Gordon Wichern; Yoshiki Masuyama; Ryo Aihara; François G. Germain; Kohei Saijo; Jonathan Le Roux (CoRR, 2025)