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 Results 1 - 16 of 16  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA, ASJ-H, EMM 2020-11-20
09:00
Online Online [Poster Presentation] Sound Field Recording Using Distributed Microphone Arrays Based on a Virtual Sphere Model
Kosuke Katada, Shuichi Sakamoto (Tohoku Univ.) EA2020-23 EMM2020-38
Higher-order Ambisonics (HOA) is a sound field synthesis method based on wave equation.
Sound field recorded at certain... [more]
EA2020-23 EMM2020-38
pp.9-14
EA, ASJ-H, ASJ-AA 2019-07-17
11:25
Hokkaido SAPPORO COMMUNITY PLAZA Directivity synthesis using multipole sources based on higher spherical harmonic expansion -- application to FDTD method --
Daichi Sakamoto, Takao Tsuchiya (Doshisha Univ.) EA2019-14
In this paper, a method to obtain arbitrary directivity patterns by FDTD method is considered, focusing on the directivi... [more] EA2019-14
pp.71-76
EA, US
(Joint)
2019-01-22
14:00
Kyoto Doshisha Univ. [Poster Presentation] Binaural signal reproduction with perception of movement using spherical microphone array
Takayuki Obayashi, Yoichi Haneda (UEC) EA2018-96
In recent years, a service has been proposed to improve immersion by adding a binaural signal to the omnidirectional ima... [more] EA2018-96
pp.19-24
EA, ASJ-H, EMM, IPSJ-MUS [detail] 2018-11-21
13:30
Ishikawa Hotel Koshuen Directional pattern analysis of late reverberation using spherical microphone array
Yuto Izumi, Makoto Otani (Kyoto Univ.) EA2018-65 EMM2018-65
Arrival direction of reflected sound is one of important factors to characterize spatial impression. An impulse response... [more] EA2018-65 EMM2018-65
pp.13-18
EA 2018-10-12
10:00
Fukushima Iwaki business Innovation Center (Iwaki) Evaluation of shared sound field synthesis using spherical microphone array recoding
Taku Shimizu, Jorge Trevino, Shuichi Sakamoto, Yo-iti Suzuki (Tohoku Univ.), Tomohiko Ise (Alpine) EA2018-58
Conventional sound field synthesis methods may require a large system because of synthesizing a huge control region to e... [more] EA2018-58
pp.27-32
RCS 2018-04-23
11:20
Yamaguchi Hotel New Tanaka, Yuda Onsen Optimization of Beam Patterns for Analog Beamforming of Single User Massive MIMO Transmissions
Maki Arai, Kei Sakaguchi, Kiyomichi Araki (Tokyo Inst. of Tech.) RCS2018-5
This paper proposes optimal beam patterns of analog beamforming for SU (Single User) massive MIMO (Multi-Input Multi-Out... [more] RCS2018-5
pp.25-30
EA 2016-07-07
13:20
Shizuoka Yamaha, Toyooka Factory Post-filtering for reverberation suppression using priori DRR estimation on multiple isotropic beams
Yuhei Yamamoto, Yoichi Haneda (UEC) EA2016-9
Reverberation often degenerates the quality of speech signals.
The beamforming technique is a promising approach for s... [more]
EA2016-9
pp.13-18
EMT, IEE-EMT 2015-10-29
10:50
Miyazaki Holiday Inn ANA Resort Miyazaki Quantum Numbers and Wave Functions of Spherical Standing Waves
Yoshihiro Togami (Tezukayama Gakuin Univ.) EMT2015-50
The Spherical standing wave has a complex amplitude, and it is a wave existing within a certain limited area.
From the ... [more]
EMT2015-50
pp.13-18
SIP, EA, SP 2015-03-03
10:45
Okinawa   [Poster Presentation] Directivity control of a dodecahedron loudspeaker array by using a minimum variance beamformer in a spherical harmonics domain.
Kazuna Bando, Yoichi Haneda (UEC) EA2014-112 SIP2014-153 SP2014-175
This paper describes a directivity control method for a spherical loudspeaker array.
The beam pattern of the spherical... [more]
EA2014-112 SIP2014-153 SP2014-175
pp.219-224
AP, SAT
(Joint)
2014-07-25
16:00
Gifu Gero Citizen Hall Antenna de-embedding and antenna-channel recombination of MIMO system: feasibility investigation in spherical wave domain
Yang Miao, Jun-ichi Takada (Tokyo Inst. of Tech.), Katsuyuki Haneda (Aalto Univ.), Minseok Kim (Niigata Univ.) AP2014-71 SAT2014-24
Antenna de-embedding is to extract antennas from both ends of a MIMO system and to study the propagation channel only. A... [more] AP2014-71 SAT2014-24
pp.131-134(AP), pp.69-72(SAT)
EA 2014-04-17
15:30
Kyoto NICT Universal Communication Research Lab. Spherical harmonic encoding of moving sound sources
Jorge Trevino (Tohoku Univ.), Takuma Okamoto (NICT), Yukio Iwaya (Tohoku Gakuin Univ.), Yo-iti Suzuki (Tohoku Univ.) EA2014-3
The spatial information of sound fields can be encoded using the spherical harmonic functions. This is often applied to ... [more] EA2014-3
pp.19-24
PRMU, MVE, IPSJ-CVIM
(Joint) [detail]
2013-01-24
11:10
Kyoto   Obtaining Shading Properties from Multi-Viewpoint Images
Ryan Jones (Georgia Inst. of Tech.), Yasuhiro Yao, Harumi Kawamura, Akira Kojima (NTT) PRMU2012-114 MVE2012-79
Integrating virtual models into real environments requires realistic lighting and shading for believable results. Curren... [more] PRMU2012-114 MVE2012-79
pp.275-280
MVE, HI-SIG-VR 2011-10-13
14:15
Hokkaido   An Approach to Estimating Illumination from Objects with Unknown Surface Re
Yasuhiro Yao (NTT), Kazuyuki Iso (NTT West), Harumi Kawamura, Akira Kojima (NTT) MVE2011-37
In the field of mixed reality, attention is being focused on methods to display computer graphics (CG) objects in actual... [more] MVE2011-37
pp.43-48
EA 2010-08-09
13:00
Miyagi Tohoku Univ. Implementation of a shperical 121-microphone array for recording sound field based on higher order Ambisonics
Takuma Okamoto, Yukio Iwaya, Shuichi Sakamoto, Yo-iti Suzuki (Tohoku Univ.) EA2010-43
For realizing communications systems with very high sense-of-presence, technologies to record and re- produce three dime... [more] EA2010-43
pp.1-6
EA 2010-06-10
15:15
Hokkaido Health Sci. Univ. of Hokkaido Decomposition of high order Ambisonic recordings for reproduction using irregular loudspeaker arrays
Jorge Trevino, Takuma Okamoto, Yukio Iwaya, Yo-iti Suzuki (Tohoku Univ.) EA2010-25
Ambisonics is a technique for sound field synthesis and reproduction that has shown promising results for the presentati... [more] EA2010-25
pp.19-24
MW 2010-03-04
17:10
Kyoto Ryukoku Univ. Double-directional channel with spherical harmonics
Kenji Nakai, Jun-ichi Takada, Minseok Kim, Dashti Marzieh (Tokyo Inst. of Tech.), Tommi Laitinen (Helsinki Univ. of Tech.) MW2009-198
There is an approach that extracts or de-embeds the transmitting and receiving antennas from the multipath radio channel... [more] MW2009-198
pp.113-117
 Results 1 - 16 of 16  /   
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