Tsubasa Ochiai

According to our database, Tsubasa Ochiai authored at least 65 papers between 2014 and 2025.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2025

Microphone Array Signal Processing and Deep Learning for Speech Enhancement.

Reinhold Haeb-Umbach, Tomohiro Nakatani, Marc Delcroix, Christoph Boeddeker, Tsubasa Ochiai

CoRR, January, 2025

2024

Microphone Array Signal Processing and Deep Learning for Speech Enhancement: Combining model-based and data-driven approaches to parameter estimation and filtering [Special Issue On Model-Based and Data-Driven Audio Signal Processing].

Reinhold Häb-Umbach, Tomohiro Nakatani, Marc Delcroix, Christoph Boeddeker, Tsubasa Ochiai

IEEE Signal Process. Mag., November, 2024

Module-Based End-to-End Distant Speech Processing: A case study of far-field automatic speech recognition [Special Issue On Model-Based and Data-Driven Audio Signal Processing].

Xuankai Chang, Shinji Watanabe, Marc Delcroix, Tsubasa Ochiai, Wangyou Zhang, Yanmin Qian

IEEE Signal Process. Mag., November, 2024

Rethinking Processing Distortions: Disentangling the Impact of Speech Enhancement Errors on Speech Recognition Performance.

Tsubasa Ochiai, Kazuma Iwamoto, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri

IEEE ACM Trans. Audio Speech Lang. Process., 2024

SoundBeam meets M2D: Target Sound Extraction with Audio Foundation Model.

Carlos Hernandez-Olivan, Marc Delcroix, Tsubasa Ochiai, Daisuke Niizumi, Naohiro Tawara, Tomohiro Nakatani, Shoko Araki

CoRR, 2024

SpeakerBeam-SS: Real-time Target Speaker Extraction with Lightweight Conv-TasNet and State Space Modeling.

Hiroshi Sato, Takafumi Moriya, Masato Mimura, Shota Horiguchi, Tsubasa Ochiai, Takanori Ashihara, Atsushi Ando, Kentaro Shinayama, Marc Delcroix

CoRR, 2024

Array Geometry-Robust Attention-Based Neural Beamformer for Moving Speakers.

Marvin Tammen, Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Shoko Araki, Simon Doclo

CoRR, 2024

Investigation of Speaker Representation for Target-Speaker Speech Processing.

Takanori Ashihara, Takafumi Moriya, Shota Horiguchi, Junyi Peng, Tsubasa Ochiai, Marc Delcroix, Kohei Matsuura, Hiroshi Sato

Proceedings of the IEEE Spoken Language Technology Workshop, 2024

Interaural Time Difference Loss for Binaural Target Sound Extraction.

Carlos Hernandez-Olivan, Marc Delcroix, Tsubasa Ochiai, Naohiro Tawara, Tomohiro Nakatani, Shoko Araki

Proceedings of the 18th International Workshop on Acoustic Signal Enhancement, 2024

Online Target Sound Extraction with Knowledge Distillation from Partially Non-Causal Teacher.

Keigo Wakayama, Tsubasa Ochiai, Marc Delcroix, Masahiro Yasuda, Shoichiro Saito, Shoko Araki, Akira Nakayama

Proceedings of the IEEE International Conference on Acoustics, 2024

Neural Network-Based Virtual Microphone Estimation with Virtual Microphone and Beamformer-Level Multi-Task Loss.

Hanako Segawa, Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Rintaro Ikeshita, Shoko Araki, Takeshi Yamada, Shoji Makino

Proceedings of the IEEE International Conference on Acoustics, 2024

Target Speech Extraction with Pre-Trained Self-Supervised Learning Models.

Junyi Peng, Marc Delcroix, Tsubasa Ochiai, Oldrich Plchot, Shoko Araki, Jan Cernocký

Proceedings of the IEEE International Conference on Acoustics, 2024

Probing Self-Supervised Learning Models With Target Speech Extraction.

Junyi Peng, Marc Delcroix, Tsubasa Ochiai, Oldrich Plchot, Takanori Ashihara, Shoko Araki, Jan Cernocký

Proceedings of the IEEE International Conference on Acoustics, 2024

How Does End-To-End Speech Recognition Training Impact Speech Enhancement Artifacts?

Kazuma Iwamoto, Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri

Proceedings of the IEEE International Conference on Acoustics, 2024

2023

Neural Target Speech Extraction: An overview.

Katerina Zmolíková, Marc Delcroix, Tsubasa Ochiai, Keisuke Kinoshita, Jan Cernocký, Dong Yu

IEEE Signal Process. Mag., May, 2023

Mask-Based Neural Beamforming for Moving Speakers With Self-Attention-Based Tracking.

Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Shoko Araki

IEEE ACM Trans. Audio Speech Lang. Process., 2023

SoundBeam: Target Sound Extraction Conditioned on Sound-Class Labels and Enrollment Clues for Increased Performance and Continuous Learning.

Marc Delcroix, Jorge Bennasar Vázquez, Tsubasa Ochiai, Keisuke Kinoshita, Yasunori Ohishi, Shoko Araki

IEEE ACM Trans. Audio Speech Lang. Process., 2023

Streaming End-to-End Target-Speaker Automatic Speech Recognition and Activity Detection.

Takafumi Moriya, Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Takahiro Shinozaki

IEEE Access, 2023

Downstream Task Agnostic Speech Enhancement with Self-Supervised Representation Loss.

Hiroshi Sato, Ryo Masumura, Tsubasa Ochiai, Marc Delcroix, Takafumi Moriya, Takanori Ashihara, Kentaro Shinayama, Saki Mizuno, Mana Ihori, Tomohiro Tanaka, Nobukatsu Hojo

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Knowledge Distillation for Neural Transducer-based Target-Speaker ASR: Exploiting Parallel Mixture/Single-Talker Speech Data.

Takafumi Moriya, Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Takanori Ashihara, Kohei Matsuura, Tomohiro Tanaka, Ryo Masumura, Atsunori Ogawa, Taichi Asami

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

Impact of Residual Noise and Artifacts in Speech Enhancement Errors on Intelligibility of Human and Machine.

Shoko Araki, Ayako Yamamoto, Tsubasa Ochiai, Kenichi Arai, Atsunori Ogawa, Tomohiro Nakatani, Toshio Irino

Proceedings of the 24th Annual Conference of the International Speech Communication Association, 2023

2022

ConceptBeam: Concept Driven Target Speech Extraction.

Yasunori Ohishi, Marc Delcroix, Tsubasa Ochiai, Shoko Araki, Daiki Takeuchi, Daisuke Niizumi, Akisato Kimura, Noboru Harada, Kunio Kashino

Proceedings of the MM '22: The 30th ACM International Conference on Multimedia, Lisboa, Portugal, October 10, 2022

Analysis of Impact of Emotions on Target Speech Extraction and Speech Separation.

Jan Svec, Katerina Zmolíková, Martin Kocour, Marc Delcroix, Tsubasa Ochiai, Ladislav Mosner, Jan Honza Cernocký

Proceedings of the 17th International Workshop on Acoustic Signal Enhancement, 2022

Strategies to Improve Robustness of Target Speech Extraction to Enrollment Variations.

Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Takafumi Moriya, Naoki Makishima, Mana Ihori, Tomohiro Tanaka, Ryo Masumura

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Streaming Target-Speaker ASR with Neural Transducer.

Takafumi Moriya, Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Takahiro Shinozaki

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Revisiting joint decoding based multi-talker speech recognition with DNN acoustic model.

Martin Kocour, Katerina Zmolíková, Lucas Ondel, Jan Svec, Marc Delcroix, Tsubasa Ochiai, Lukás Burget, Jan Cernocký

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

How bad are artifacts?: Analyzing the impact of speech enhancement errors on ASR.

Kazuma Iwamoto, Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Hiroshi Sato, Shoko Araki, Shigeru Katagiri

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Listen only to me! How well can target speech extraction handle false alarms?

Marc Delcroix, Keisuke Kinoshita, Tsubasa Ochiai, Katerina Zmolíková, Hiroshi Sato, Tomohiro Nakatani

Proceedings of the 23rd Annual Conference of the International Speech Communication Association, 2022

Learning to Enhance or Not: Neural Network-Based Switching of Enhanced and Observed Signals for Overlapping Speech Recognition.

Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Naoyuki Kamo, Takafumi Moriya

Proceedings of the IEEE International Conference on Acoustics, 2022

2021

Multimodal Attention Fusion for Target Speaker Extraction.

Hiroshi Sato, Tsubasa Ochiai, Keisuke Kinoshita, Marc Delcroix, Tomohiro Nakatani, Shoko Araki

Proceedings of the IEEE Spoken Language Technology Workshop, 2021

PILOT: Introducing Transformers for Probabilistic Sound Event Localization.

Christopher Schymura, Benedikt T. Bönninghoff, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki, Dorothea Kolossa

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Should We Always Separate?: Switching Between Enhanced and Observed Signals for Overlapping Speech Recognition.

Hiroshi Sato, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Takafumi Moriya, Naoyuki Kamo

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Streaming End-to-End Speech Recognition for Hybrid RNN-T/Attention Architecture.

Takafumi Moriya, Tomohiro Tanaka, Takanori Ashihara, Tsubasa Ochiai, Hiroshi Sato, Atsushi Ando, Ryo Masumura, Marc Delcroix, Taichi Asami

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

Few-Shot Learning of New Sound Classes for Target Sound Extraction.

Marc Delcroix, Jorge Bennasar Vázquez, Tsubasa Ochiai, Keisuke Kinoshita, Shoko Araki

Proceedings of the 22nd Annual Conference of the International Speech Communication Association, Interspeech 2021, Brno, Czechia, August 30, 2021

End-to-End Dereverberation, Beamforming, and Speech Recognition with Improved Numerical Stability and Advanced Frontend.

Wangyou Zhang, Christoph Böddeker, Shinji Watanabe, Tomohiro Nakatani, Marc Delcroix, Keisuke Kinoshita, Tsubasa Ochiai, Naoyuki Kamo, Reinhold Haeb-Umbach, Yanmin Qian

Proceedings of the IEEE International Conference on Acoustics, 2021

Data Fusion for Audiovisual Speaker Localization: Extending Dynamic Stream Weights to the Spatial Domain.

Julio Wissing, Benedikt T. Boenninghoff, Dorothea Kolossa, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki, Christopher Schymura

Proceedings of the IEEE International Conference on Acoustics, 2021

Neural Network-Based Virtual Microphone Estimator.

Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani, Rintaro Ikeshita, Keisuke Kinoshita, Shoko Araki

Proceedings of the IEEE International Conference on Acoustics, 2021

Simpleflat: A Simple Whole-Network Pre-Training Approach for RNN Transducer-Based End-to-End Speech Recognition.

Takafumi Moriya, Takanori Ashihara, Tomohiro Tanaka, Tsubasa Ochiai, Hiroshi Sato, Atsushi Ando, Yusuke Ijima, Ryo Masumura, Yusuke Shinohara

Proceedings of the IEEE International Conference on Acoustics, 2021

Speaker Activity Driven Neural Speech Extraction.

Marc Delcroix, Katerina Zmolíková, Tsubasa Ochiai, Keisuke Kinoshita, Tomohiro Nakatani

Proceedings of the IEEE International Conference on Acoustics, 2021

Convolutive Transfer Function Invariant SDR Training Criteria for Multi-Channel Reverberant Speech Separation.

Christoph Böddeker, Wangyou Zhang, Tomohiro Nakatani, Keisuke Kinoshita, Tsubasa Ochiai, Marc Delcroix, Naoyuki Kamo, Yanmin Qian, Reinhold Haeb-Umbach

Proceedings of the IEEE International Conference on Acoustics, 2021

2020

Convolutive Transfer Function Invariant SDR training criteria for Multi-Channel Reverberant Speech Separation.

Christoph Böddeker, Wangyou Zhang, Tomohiro Nakatani, Keisuke Kinoshita, Tsubasa Ochiai, Marc Delcroix, Naoyuki Kamo, Yanmin Qian, Shinji Watanabe, Reinhold Haeb-Umbach

CoRR, 2020

Listen to What You Want: Neural Network-Based Universal Sound Selector.

Tsubasa Ochiai, Marc Delcroix, Yuma Koizumi, Hiroaki Ito, Keisuke Kinoshita, Shoko Araki

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

Self-Distillation for Improving CTC-Transformer-Based ASR Systems.

Takafumi Moriya, Tsubasa Ochiai, Shigeki Karita, Hiroshi Sato, Tomohiro Tanaka, Takanori Ashihara, Ryo Masumura, Yusuke Shinohara, Marc Delcroix

Proceedings of the 21st Annual Conference of the International Speech Communication Association, 2020

A Dynamic Stream Weight Backprop Kalman Filter for Audiovisual Speaker Tracking.

Christopher Schymura, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki, Dorothea Kolossa

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Beam-TasNet: Time-domain Audio Separation Network Meets Frequency-domain Beamformer.

Tsubasa Ochiai, Marc Delcroix, Rintaro Ikeshita, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

DNN-supported Mask-based Convolutional Beamforming for Simultaneous Denoising, Dereverberation, and Source Separation.

Tomohiro Nakatani, Riki Takahashi, Tsubasa Ochiai, Keisuke Kinoshita, Rintaro Ikeshita, Marc Delcroix, Shoko Araki

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Improving Noise Robust Automatic Speech Recognition with Single-Channel Time-Domain Enhancement Network.

Keisuke Kinoshita, Tsubasa Ochiai, Marc Delcroix, Tomohiro Nakatani

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Improving Speaker Discrimination of Target Speech Extraction With Time-Domain Speakerbeam.

Marc Delcroix, Tsubasa Ochiai, Katerina Zmolíková, Keisuke Kinoshita, Naohiro Tawara, Tomohiro Nakatani, Shoko Araki

Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

Exploiting Attention-based Sequence-to-Sequence Architectures for Sound Event Localization.

Christopher Schymura, Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Tomohiro Nakatani, Shoko Araki, Dorothea Kolossa

Proceedings of the 28th European Signal Processing Conference, 2020

2019

SpeakerBeam: Speaker Aware Neural Network for Target Speaker Extraction in Speech Mixtures.

Katerina Zmolíková, Marc Delcroix, Keisuke Kinoshita, Tsubasa Ochiai, Tomohiro Nakatani, Lukás Burget, Jan Cernocký

IEEE J. Sel. Top. Signal Process., 2019

Multimodal SpeakerBeam: Single Channel Target Speech Extraction with Audio-Visual Speaker Clues.

Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Atsunori Ogawa, Tomohiro Nakatani

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

End-to-End SpeakerBeam for Single Channel Target Speech Recognition.

Marc Delcroix, Shinji Watanabe, Tsubasa Ochiai, Keisuke Kinoshita, Shigeki Karita, Atsunori Ogawa, Tomohiro Nakatani

Proceedings of the 20th Annual Conference of the International Speech Communication Association, 2019

A Unified Framework for Neural Speech Separation and Extraction.

Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Atsunori Ogawa, Tomohiro Nakatani

Proceedings of the IEEE International Conference on Acoustics, 2019

Compact Network for Speakerbeam Target Speaker Extraction.

Marc Delcroix, Katerina Zmolíková, Tsubasa Ochiai, Keisuke Kinoshita, Shoko Araki, Tomohiro Nakatani

Proceedings of the IEEE International Conference on Acoustics, 2019

2018

ESPnet: End-to-End Speech Processing Toolkit.

Shinji Watanabe, Takaaki Hori, Shigeki Karita, Tomoki Hayashi, Jiro Nishitoba, Yuya Unno, Nelson Enrique Yalta Soplin, Jahn Heymann, Matthew Wiesner, Nanxin Chen, Adithya Renduchintala, Tsubasa Ochiai

Proceedings of the 19th Annual Conference of the International Speech Communication Association, 2018

Speaker Adaptation for Multichannel End-to-End Speech Recognition.

Tsubasa Ochiai, Shinji Watanabe, Shigeru Katagiri, Takaaki Hori, John R. Hershey

Proceedings of the 2018 IEEE International Conference on Acoustics, 2018

2017

Unified Architecture for Multichannel End-to-End Speech Recognition With Neural Beamforming.

Tsubasa Ochiai, Shinji Watanabe, Takaaki Hori, John R. Hershey, Xiong Xiao

IEEE J. Sel. Top. Signal Process., 2017

Does speech enhancement work with end-to-end ASR objectives?: Experimental analysis of multichannel end-to-end ASR.

Tsubasa Ochiai, Shinji Watanabe, Shigeru Katagiri

Proceedings of the 27th IEEE International Workshop on Machine Learning for Signal Processing, 2017

Multichannel End-to-end Speech Recognition.

Tsubasa Ochiai, Shinji Watanabe, Takaaki Hori, John R. Hershey

Proceedings of the 34th International Conference on Machine Learning, 2017

Automatic node selection for Deep Neural Networks using Group Lasso regularization.

Tsubasa Ochiai, Shigeki Matsuda, Hideyuki Watanabe, Shigeru Katagiri

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

Cumulative moving averaged bottleneck speaker vectors for online speaker adaptation of CNN-based acoustic models.

Tsubasa Ochiai, Marc Delcroix, Keisuke Kinoshita, Atsunori Ogawa, Taichi Asami, Shigeru Katagiri, Tomohiro Nakatani

Proceedings of the 2017 IEEE International Conference on Acoustics, 2017

2016

Speaker Adaptive Training Localizing Speaker Modules in DNN for Hybrid DNN-HMM Speech Recognizers.

Tsubasa Ochiai, Shigeki Matsuda, Hideyuki Watanabe, Xugang Lu, Chiori Hori, Hisashi Kawai, Shigeru Katagiri

IEICE Trans. Inf. Syst., 2016

Bottleneck linear transformation network adaptation for speaker adaptive training-based hybrid DNN-HMM speech recognizer.

Tsubasa Ochiai, Shigeki Matsuda, Hideyuki Watanabe, Xugang Lu, Hisashi Kawai, Shigeru Katagiri

Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

2015

Speaker adaptive training for deep neural networks embedding linear transformation networks.

Tsubasa Ochiai, Shigeki Matsuda, Hideyuki Watanabe, Xugang Lu, Chiori Hori, Shigeru Katagiri

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

2014

Speaker Adaptive Training using Deep Neural Networks.

Tsubasa Ochiai, Shigeki Matsuda, Xugang Lu, Chiori Hori, Shigeru Katagiri

Proceedings of the IEEE International Conference on Acoustics, 2014