An adaptive filter convergence method for echo cancellation and decision feedback equalization. - Akira Kanemasa; Akihiko Sugiyama (ICASSP, 1986)

A Decision Feedback Equalizer for ISDN Subscriber Loop Transmission. - Akihiko Sugiyama; Akira Kanemasa; Shin'ichi Koike (ICC, 1986)

An ISDN Subscriber Loop Transmission System Based on Echo Cancellation Technique. - Akira Kanemasa; Akihiko Sugiyama; Shin'ichi Koike; Tetsu Koyama (IEEE J. Sel. Areas Commun., 1986)

A fast convergence algorithm for adaptive FIR filters. - Akihiko Sugiyama; M. N. S. Swamy; Eugene I. Plotkin (ICASSP, 1989)

An ISDN echo-cancelling transceiver chip set for 2B1Q coded U-interface. - Yutaka Takahashi; Masahiro Takahara; Takayoshi Makabe; Daijiro Inami; Masahiko Ohno; Fujio Nakagawa; Tetsu Koyama; Akihiko Sugiyama; Masao Chatani; Renya Ikeda (IEEE J. Solid State Circuits, 1989)

Adaptive transform coding with an adaptive block size (ATC-ABS). - Akihiko Sugiyama; Fumie Hazu; Masahiro Iwadare; Takao Nishitani (ICASSP, 1990)

Adaptive transform coding with an adaptive block size using a modified DCT. - Fumie Hazu; Akihiko Sugiyama; Masahiro Iwadare; Takao Nishitani (ICSLP, 1990)

A fast convergence algorithm for adaptive FIR filters with coarsely located taps. - Shigeji Ikeda; Akihiko Sugiyama (ICASSP, 1991)

A 128 kb/s Hi-Fi Audio CODEC Based on Adaptive Transform Coding with Adaptive Block Size MDCT. - Masahiro Iwadare; Akihiko Sugiyama; Fumie Hazu; Akihiro Hirano; Takao Nishitani (IEEE J. Sel. Areas Commun., 1992)

An interference-robust stochastic gradient algorithm with a gradient-adaptive step-size. - Akihiko Sugiyama (ICASSP (3), 1993)

DSP implementation and performance evaluation of a compact stereo echo canceller. - Akihiro Hirano; Akihiko Sugiyama; Yasuhiro Arasawa; Noboru Kawayachi (ICASSP (2), 1994)

A fast convergence algorithm for sparse-tap adaptive FIR filters for an unknown number of multiple echoes. - Shigeji Ikeda; Akihiko Sugiyama (ICASSP (3), 1994)

A noise-robust stochastic gradient algorithm with an adaptive step-size suitable for mobile hands-free telephones. - Akihiro Hirano; Akihiko Sugiyama (ICASSP, 1995)

A new adaptive intersubband tap-assignment algorithm for subband adaptive filters. - Akihiko Sugiyama; Frédéric Landais (ICASSP, 1995)

DSP implementation and performance evaluation of sparse-tap adaptive FIR filters with tap-position control. - Akihiro Hirano; Akihiko Sugiyama; Shigeji Ikeda (ICASSP, 1996)

A robust adaptive beamformer for microphone arrays with a blocking matrix using constrained adaptive filters. - Osamu Hoshuyama; Akihiko Sugiyama (ICASSP, 1996)

A robust adaptive microphone array with improved spatial selectivity and its evaluation in a real environment. - Osamu Hoshuyama; Akihiko Sugiyama; Akihiro Hirano (ICASSP, 1997)

An efficient tonal component coding algorithm for MPEG-2 Audio NBC. - Yuichiro Takamizawa; Masahiro Iwadare; Akihiko Sugiyama (ICASSP, 1997)

DSP implementation and performance evaluation of a stereo echo canceler with pre-processing. - Yann Joncour; Akihiko Sugiyama; Akihiro Hirano (EUSIPCO, 1998)

A real time robust adaptive microphone array controlled by an SNR estimate. - Osamu Hoshuyama; Brigitte Begasse; Akihiko Sugiyama; Akihiro Hirano (ICASSP, 1998)

A stereo echo canceler with pre-processing for correct echo-path identification. - Yann Joncour; Akihiko Sugiyama (ICASSP, 1998)

An adaptive microphone array with good sound quality using auxiliary fixed beamformers and its DSP implementation. - Osamu Hoshuyama; Akihiko Sugiyama (ICASSP, 1999)

A robust adaptive beamformer for microphone arrays with a blocking matrix using constrained adaptive filters. - Osamu Hoshuyama; Akihiko Sugiyama; Akihiro Hirano (IEEE Trans. Signal Process., 1999)

An adaptive noise canceller with low signal distortion for speech codecs. - Shigeji Ikeda; Akihiko Sugiyama (IEEE Trans. Signal Process., 1999)

MPEG-4 natural audio coding. - Karlheinz Brandenburg; Oliver Kunz; Akihiko Sugiyama (Signal Process. Image Commun., 2000)

Robust Adaptive Beamforming. - Osamu Hoshuyama; Akihiko Sugiyama (Microphone Arrays, 2001)

An efficient multichannel line echo canceler algorithm for PSTN and VoIP/VoDSL applications. - Akihiko Sugiyama; Tetsuro Yamaji (ICASSP, 2001)

A stereo echo canceler with correct echo-path identification based on an input-sliding technique. - Akihiko Sugiyama; Yann Joncour; Akihiro Hirano (IEEE Trans. Signal Process., 2001)

Noise suppression with synthesis windowing and pseudo noise injection. - Akihiko Sugiyama; Thanh Phong Hua; Masanori Kato; Masahiro Serizawa (ICASSP, 2002)

Noise Suppression with High Speech Quality Based on Weighted Noise Estimation and MMSE STSA. - Masanori Kato; Akihiko Sugiyama; Masahiro Serizawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2002)

A fast convergence algorithm for sparse-tap adaptive FIR filters identifying an unknown number of dispersive regions. - Akihiko Sugiyama; Shigeji Ikeda; Akihiro Hirano (IEEE Trans. Signal Process., 2002)

A family of 3GPP-standard noise suppressors for the AMR codec and the evaluation results. - Masanori Kato; Akihiko Sugiyama; Masahiro Serizawa (ICASSP (1), 2003)

Acoustic echo cancellation for conference systems. - Akihiko Sugiyama; Akihiro Hirano; Kenji Nakayama (EUSIPCO, 2004)

A generalized proportionate variable step-size algorithm for fast changing acoustic environments. - Osamu Hoshuyama; Rafik A. Goubran; Akihiko Sugiyama (ICASSP (4), 2004)

An adaptive noise canceler with low signal-distortion based on variable stepsize subfilters for human-robot communication. - Miki Sato; Akihiko Sugiyama; Shinichi Ohnaka (ICASSP (4), 2004)

Noise-robust double-talk detection based on normalized cross correlation and a noise offset. - Akihiko Sugiyama; Jérôme Berclaz; Miki Sato (ICASSP (3), 2005)

Near-Field Sound-Source Localization Based on a Signed Binary Code. - Miki Sato; Akihiko Sugiyama; Osamu Hoshuyama; Nobuyuki Yamashita; Yoshihiro Fujita (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

An Adaptive Noise Canceller with Low Signal-Distortion Based on Variable Stepsize Subfilters for Human-Robot Communication. - Miki Sato; Akihiko Sugiyama; Shinichi Ohnaka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

A new adaptation mode controller for adaptive microphone arrays based on nested and symmetric leaky blocking matrices. - Thanh Phong Hua; Akihiko Sugiyama; Régine Le Bouquin Jeannes; Gérard Faucon (EUSIPCO, 2006)

A DOA estimation method for an arbitrary triangular microphone arrangement. - Amin Karbasi; Akihiko Sugiyama (EUSIPCO, 2006)

An Acoustic ECHO Suppressor Based on a Frequency-Domain Model of Highly Nonlinear Residual ECHO. - Osamu Hoshuyama; Akihiko Sugiyama (ICASSP (5), 2006)

A Low-Complexity Noise Suppressor with Nonuniform Subbands and a Frequency-Domain Highpass Filter. - Masanori Kato; Akihiko Sugiyama (ICASSP (1), 2006)

Nonlinear Acoustic Echo Suppressor Based on Spectral Correlation between Residual Echo and Echo Replica. - Osamu Hoshuyama; Akihiko Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

A Stereo Echo Canceler with Input Slides and Counter-Lateralization. - Akihiko Sugiyama; Yann Joncour; Akihiro Hirano; Takao Nishitani; Gérard Faucon (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

A new DOA estimation method using a circular microphone array. - Amin Karbasi; Akihiko Sugiyama (EUSIPCO, 2007)

Implementation of a Multipurpose Noise Suppressor Based on a Novel Scalable Framework. - Kazuhiro Yamato; Akihiko Sugiyama; Masanori Kato (ICASSP (2), 2007)

A new robust adaptation mode controller based on a normalized cross-correlation with multiple symmetric leaky blocking matrices for adaptive microphone arrays. - Thanh Phong Hua; Akihiko Sugiyama; Régine Le Bouquin Jeannes; Gérard Faucon (EUSIPCO, 2008)

A stereo echo canceller with simultaneous 2-channel input slides for fast convergence and good sound localization. - Akihiko Sugiyama; Yuusuke Mizuno; Laurent Kazdaghli; Akihiro Hirano; Kenji Nakayama (EUSIPCO, 2009)

A robust NLMS algorithm with a novel noise modeling based on stationary/nonstationary noise decomposition. - Akihiko Sugiyama (ICASSP, 2009)

Foreword. - Akihiko Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Tradeoff Between Complexity and Memory Size in the 3GPP Enhanced aacPlus Decoder: Speed-Conscious and Memory-Conscious Decoders on a 16-Bit Fixed-Point DSP. - Osamu Shimada; Toshiyuki Nomura; Akihiko Sugiyama; Masahiro Serizawa (J. Signal Process. Syst., 2009)

A stereo echo canceller with simultaneous input-sliding and sliding-period control. - Akihiko Sugiyama; Yuusuke Mizuno; Akihiro Hirano; Kenji Nakayama (ICASSP, 2010)

A Single-Chip Speech Dialogue Module and Its Evaluation on a Personal Robot, PaPeRo-Mini. - Miki Sato; Toru Iwasawa; Akihiko Sugiyama; Toshihiro Nishizawa; Yosuke Takano (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

A Low Complexity Noise Suppressor with Hybrid Filterbanks and Adaptive Time-Frequency Tiling. - Osamu Shimada; Akihiko Sugiyama; Toshiyuki Nomura (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2010)

An adaptive noise canceller with adaptive delay compensation for a distant noise source. - Akihiko Sugiyama; Ryoji Miyahara; Masanori Kato (ICASSP, 2011)

An auto-focusing-noise suppressor for cellphone movies based on multiple noise references. - Akihiko Sugiyama; Ryoji Miyahara (ICCE, 2012)

Impact-noise suppression with phase-based detection. - Akihiko Sugiyama; Ryoji Miyahara; Kwangsoo Park (EUSIPCO, 2013)

An auto-focusing noise suppressor for cellphone movies based on peak preservation and phase randomization. - Ryoji Miyahara; Akihiko Sugiyama (ICASSP, 2013)

Phase randomization - A new paradigm for single-channel signal enhancement. - Akihiko Sugiyama; Ryoji Miyahara (ICASSP, 2013)

A zooming-noise suppressor with no a priori information for digital still cameras. - Akihiko Sugiyama; Ryoji Miyahara (ICCE, 2013)

Tapping-noise suppression with magnitude-weighted phase-based detection. - Akihiko Sugiyama; Ryoji Miyahara (WASPAA, 2013)

A lowdistortion noise canceller with a novel stepsize control and conditional cancellation. - Akihiko Sugiyama; Ryoji Miyahara (EUSIPCO, 2014)

An auto-focusing noise suppressor for cellphone movies based on phase randomization and power compensation. - Ryoji Miyahara; Akihiko Sugiyama (ICASSP, 2014)

A new generalized sidelobe canceller with a compact array of microphones suitable for mobile terminals. - Akihiko Sugiyama; Ryoji Miyahara (ICASSP, 2014)

A tapping-noise suppressor with magnitude-weighted phase-based detection for smartphones. - Akihiko Sugiyama; Ryoji Miyahara (ICCE, 2014)

A wind-noise suppressor based on wind-onset detection and spectral gain modification. - Masanori Kato; Akihiko Sugiyama (IWAENC, 2014)

A directional noise suppressor with an adjustable constant beamwidth for multichannel signal enhancement. - Akihiko Sugiyama; Ryoji Miyahara (EUSIPCO, 2015)

Tutorial sessions: Lazy and easy technical writing. - Akihiko Sugiyama (GCCE, 2015)

A directional noise suppressor with a specified beamwidth. - Akihiko Sugiyama; Ryoji Miyahara (ICASSP, 2015)

A wind-noise suppressor with wind-burst detection based on a stationary noise estimate. - Akihiko Sugiyama; Masanori Kato; Ryoji Miyahara (ICCE, 2015)

Gain relaxation: A useful technique for signal enhancement with an unaware local noise source targeted at speech recognition. - Ryoji Miyahara; Akihiko Sugiyama (ICASSP, 2016)

A distant signal pick-up system for audio recording with a constant background-noise level. - Akihiko Sugiyama; Ryoji Miyahara (ICCE, 2016)

Diagonal microphone placement for the landscape/portrait interchangeable mode of a personal computer. - Ryoji Miyahara; Akihiko Sugiyama (ICASSP, 2017)

Automatic gain control with integrated signal enhancement for specified target and background-noise levels. - Akihiko Sugiyama; Ryoji Miyahara (ICASSP, 2017)

A tablet personal computer with diagonal microphone placement for the landscape/portrait interchangeable mode. - Akihiko Sugiyama; Ryoji Miyahara (ICCE, 2017)

Adaptive Noise Canceller with Snr Estimate Switchover for Stepsize Control. - Akihiko Sugiyama (ICASSP, 2018)

Adaptive noise canceller with two SNR estimates for stepsize control. - Akihiko Sugiyama (ICCE, 2018)

A Wind-Noise Suppressor with SNR Based Wind-Noise Detection and Speech-Wind Discrimination. - Masanori Kato; Akihiko Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

A Stereo Wind-Noise Suppressor with Null Beamforming and Frequency-Domain Noise Averaging. - Masanori Kato; Akihiko Sugiyama; Tatsuya Komatsu (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

A Directional Noise Suppressor with a Specified Constant Beamwidth. - Ryoji Miyahara; Akihiko Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Gain Relaxation: A Solution to Overlooked Performance Degradation in Speech Recognition with Signal Enhancement. - Ryoji Miyahara; Akihiko Sugiyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

An Auto-Focusing-Noise Suppressor for Cell-Phone Videos Based on Multiple Noise References and Spectral Gain Selection. - Ryoji Miyahara; Akihiko Sugiyama (IEEE Trans. Consumer Electron., 2018)

A Noise Robust Hearable Device with an Adaptive Noise Canceller and Its DSP Implementation. - Akihiko Sugiyama; Ryoji Miyahara; Kouji Oosugi (ICASSP, 2019)

Scene Exchange: An Audio Processor to Replace the Background Signal for a Different Scene. - Akihiko Sugiyama; Ryoji Miyahara (ICCE, 2019)

Simultaneous Detection and Localization of a Wake-Up Word Using Multi-Task Learning of the Duration and Endpoint. - Takashi Maekaku; Yusuke Kida; Akihiko Sugiyama (INTERSPEECH, 2019)

A Hearing Device With an Adaptive Noise Canceller for Noise-Robust Voice Input. - Ryoji Miyahara; Kouji Oosugi; Akihiko Sugiyama (IEEE Trans. Consumer Electron., 2019)

Fast Start-Up Algorithm for Adaptive Noise Cancellers with Novel SNR Estimation and Stepsize Control. - Akihiko Sugiyama (ICASSP, 2020)

Fast Convergence Algorithm for Adaptive Noise Cancellers with SNR-Based Stepsize Control. - Akihiko Sugiyama (ICCE, 2020)

Robust Convergence Algorithm for Adaptive Noise Cancellers with SNR-Based Stepsize Control. - Akihiko Sugiyama (ICCE, 2021)

Innovation, Standardization, and Business Success in Media Signal Processing. - Akihiko Sugiyama; Masahiro Serizawa (IEEE Consumer Electron. Mag., 2021)

Robust Adaptive Noise Canceller Algorithm with Snr-Based Stepsize Control and Noise-Path Gain Compensation. - Akihiko Sugiyama (ICASSP, 2022)

Robust Noise Canceller Algorithm with SNR-Based Stepsize Control and Gain Adjustment. - Akihiko Sugiyama (ICCE, 2022)

User Preference Between Residual Noise And Speech Distortion In Speech Enhancement. - Akihiko Sugiyama; Osamu Shimada; Toshiyuki Nomura (IWAENC, 2022)

Technical Writing Method Based on a Three-Point Analysis and a Slide-First Principle. - Akihiko Sugiyama (FIE, 2023)

Adaptive Noise Canceller Algorithm with SNR-Based Stepsize and Data-Dependent Averaging. - Akihiko Sugiyama (ICASSP, 2023)

Linear Microphone Array Parallel to the Driving Direction for in-Car Speech Enhancement. - Masanori Tsujikawa; Akihiko Sugiyama; Ken Hanazawa; Yoshinobu Kajikawa (ICASSP, 2023)

Adaptive Noise Canceller Algorithm with an SNR-Based Stepsize and Controlled Averaging. - Akihiko Sugiyama (ICCE, 2023)

Audio Signal Processing in the 21st Century: The important outcomes of the past 25 years. - Gaël Richard; Paris Smaragdis; Sharon Gannot; Patrick A. Naylor; Shoji Makino; Walter Kellermann; Akihiko Sugiyama (IEEE Signal Process. Mag., 2023)

Advances in Microphone Array Processing and Multichannel Speech Enhancement. - Gongping Huang; Jesper Rindom Jensen; Jingdong Chen; Jacob Benesty; Mads Græsbøll Christensen; Akihiko Sugiyama; Gary W. Elko; Tomas Gänsler (ICASSP, 2025)