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Shoichi Koyama
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Analytical approach to wave field reconstruction filtering in spatio-temporal frequency domain
S Koyama, K Furuya, Y Hiwasaki, Y Haneda
IEEE transactions on audio, speech, and language processing 21 (4), 685-696, 2012
722012
Sound field recording using distributed microphones based on harmonic analysis of infinite order
N Ueno, S Koyama, H Saruwatari
IEEE Signal Processing Letters 25 (1), 135-139, 2017
492017
Wave field reconstruction filtering in cylindrical harmonic domain for with-height recording and reproduction
S Koyama, K Furuya, Y Hiwasaki, Y Haneda, Y Suzuki
IEEE/ACM Transactions on Audio, Speech, and Language Processing 22 (10á…, 2014
362014
Sparse sound field representation in recording and reproduction for reducing spatial aliasing artifacts
S Koyama, S Shimauchi, H Ohmuro
2014 IEEE International Conference on Acoustics, Speech and Signalá…, 2014
342014
Analytical approach to transforming filter design for sound field recording and reproduction using circular arrays with a spherical baffle
S Koyama, K Furuya, K Wakayama, S Shimauchi, H Saruwatari
The Journal of the Acoustical Society of America 139 (3), 1024-1036, 2016
322016
Sparse representation of a spatial sound field in a reverberant environment
S Koyama, L Daudet
IEEE Journal of Selected Topics in Signal Processing 13 (1), 172-184, 2019
262019
Optimizing source and sensor placement for sound field control: An overview
S Koyama, G Chardon, L Daudet
IEEE/ACM Transactions on Audio, Speech, and Language Processing 28, 696-714, 2020
232020
Kernel ridge regression with constraint of helmholtz equation for sound field interpolation
N Ueno, S Koyama, H Saruwatari
2018 16th International Workshop on Acoustic Signal Enhancement (IWAENC), 1-440, 2018
212018
Three-dimensional sound field reproduction based on weighted mode-matching method
N Ueno, S Koyama, H Saruwatari
IEEE/ACM Transactions on Audio, Speech, and Language Processing 27 (12á…, 2019
202019
Reproducing virtual sound sources in front of a loudspeaker array using inverse wave propagator
S Koyama, K Furuya, Y Hiwasaki, Y Haneda
IEEE transactions on audio, speech, and language processing 20 (6), 1746-1758, 2012
202012
Sparse sound field decomposition for super-resolution in recording and reproduction
S Koyama, N Murata, H Saruwatari
The Journal of the Acoustical Society of America 143 (6), 3780-3795, 2018
182018
Sparse representation using multidimensional mixed-norm penalty with application to sound field decomposition
N Murata, S Koyama, N Takamune, H Saruwatari
IEEE Transactions on Signal Processing 66 (12), 3327-3338, 2018
172018
Feedforward spatial active noise control based on kernel interpolation of sound field
H Ito, S Koyama, N Ueno, H Saruwatari
ICASSP 2019-2019 IEEE International Conference on Acoustics, Speech andá…, 2019
162019
Multichannel blind source separation based on non-negative tensor factorization in wavenumber domain
Y Mitsufuji, S Koyama, H Saruwatari
2016 IEEE International Conference on Acoustics, Speech and Signalá…, 2016
152016
Structured sparse signal models and decomposition algorithm for super-resolution in sound field recording and reproduction
S Koyama, N Murata, H Saruwatari
2015 IEEE International Conference on Acoustics, Speech and Signalá…, 2015
132015
Mixed-order Ambisonics encoding of cylindrical microphone array signals
J Trevino, S Koyama, S Sakamoto, Y Suzuki
Acoustical Science and Technology 35 (3), 174-177, 2014
132014
Listening-area-informed sound field reproduction based on circular harmonic expansion
N Ueno, S Koyama, H Saruwatari
2017 IEEE International Conference on Acoustics, Speech and Signalá…, 2017
122017
Real-time sound field transmission system by using wave field reconstruction filter and its evaluation
S Koyama, K Furuya, H Uematsu, Y Hiwasaki, Y Haneda
IEICE Transactions on Fundamentals of Electronics, Communications andá…, 2014
112014
Design of transform filter for reproducing arbitrarily shifted sound field using phase-shift of spatio-temporal frequency
S Koyama, K Furuya, Y Hiwasaki, Y Haneda
2012 IEEE International Conference on Acoustics, Speech and Signalá…, 2012
112012
Design of transform filter for sound field reproduction using microphone array and loudspeaker array
S Koyama, K Furuya, Y Hiwasaki, Y Haneda
2011 IEEE Workshop on Applications of Signal Processing to Audio andá…, 2011
112011
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Articles 1–20