原著論文

  • S. Koyama, K. Furuya, K. Wakayama, S. Shimauchi, and H. Saruwatari, “Analytical approach to transforming filter design for sound field recording and reproduction using circular arrays with a spherical baffle,” Journal of the acoustical society of america, vol. 139, no. 3, pp. 1024-1036, 2016. [LINK]
    @article{Koyama:JASA_J_2016,
    author = {Shoichi Koyama and Ken'ichi Furuya and Keigo Wakayama and Suehiro Shimauchi and Hiroshi Saruwatari},
    title = {Analytical approach to transforming filter design for sound field recording and reproduction using circular arrays with a spherical baffle},
    journal = jasa,
    volume = {139},
    number = {3},
    pages = {1024--1036},
    year = {2016},
    category = {Journal Papers},
    url = {http://scitation.aip.org/content/asa/journal/jasa/139/3/10.1121/1.4942590},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Haneda, and H. Saruwatari, “Source-location-informed sound field recording and reproduction,” IEEE journal of selected topics in signal processing, vol. 9, no. 5, pp. 881-894, 2015. [LINK]
    @article{Koyama:IEEE_J_JSTSP2015,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yoichi Haneda and Hiroshi Saruwatari},
    title = {Source-Location-Informed Sound Field Recording and Reproduction},
    journal = ieee_j_jstsp,
    volume = {9},
    number = {5},
    pages = {881--894},
    year = {2015},
    category = {Journal Papers},
    url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7109813},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, Y. Haneda, and Y. Suzuki, “Wave field reconstruction filtering in cylindrical harmonic domain for with-height recording and reproduction,” IEEE/ACM transactions on audio, speech, and language processing, vol. 22, no. 10, pp. 1546-1557, 2014. [LINK]
    @article{Koyama:IEEE_ACM_J_ASLP2014,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda and Y\^oiti Suzuki},
    title = {Wave Field Reconstruction Filtering in Cylindrical Harmonic Domain for With-Height Recording and Reproduction},
    journal = ieee_acm_j_aslp,
    volume = {22},
    number = {10},
    pages = {1546--1557},
    year = {2014},
    category = {Journal Papers},
    url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6857401},
    lang = {en}
    }

  • S. Koyama, K. Furuya, H. Uematsu, Y. Hiwasaki, and Y. Haneda, “Real-time sound field transmission system by using wave field reconstruction filter and its evaluation,” IEICE transactions on fundamentals of electronics, communications and computer sciences, vol. E97-A, no. 9, pp. 1840-1848, 2014. [LINK] [PDF] (Copyright © 2014 IEICE)
    @article{Koyama:IEICE_J_EA_2014,
    author = {Shoichi Koyama and Ken'ichi Furuya and Hisashi Uematsu and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Real-time Sound Field Transmission System by Using Wave Field Reconstruction Filter and Its Evaluation},
    journal = {{IEICE} Transactions on Fundamentals of Electronics, Communications and Computer Sciences},
    volume = {E97-A},
    number = {9},
    pages = {1840--1848},
    year = {2014},
    category = {Journal Papers},
    url = {http://search.ieice.org/bin/summary.php?id=e97-a_9_1840&category=A&year=2014&lang=E&abst=},
    pdf = {http://www.sp.ipc.i.u-tokyo.ac.jp/wp-content/papercite-data/koyama/koyama-ieice_j_ea_2014.pdf},
    ieicenotice = {2014},
    lang = {en}
    }

  • Y. Haneda, K. Furuya, S. Koyama, K. Niwa, and K. Kobayashi, “Sound field simulation for circular array based on spatial circular convolution,” Acoustical science and technology, vol. 35, no. 2, pp. 99-107, 2014. [LINK]
    @article{Haneda:AST2014,
    author = {Yoichi Haneda and Ken'ichi Furuya and Shoichi Koyama and Kenta Niwa and Kazunori Kobayashi},
    title = {Sound field simulation for circular array based on spatial circular convolution},
    journal = {Acoustical Science and Technology},
    volume = {35},
    number = {2},
    pages = {99--107},
    year = {2014},
    url = {https://www.jstage.jst.go.jp/article/ast/35/2/35_E1328/_article},
    category = {Journal Papers},
    lang = {en}
    }

  • 羽田 陽一, 古家 賢一, 小山 翔一, and 丹羽 健太, “球面調和関数展開に基づく2 種類の超接話マイクロホンアレイ,” 電子情報通信学会論文誌A, vol. J97-A, no. 4, pp. 264-273, 2014. [LINK]
    @article{Haneda:IEICE_J_JA_A2014,
    author = {羽田 陽一 and 古家 賢一 and 小山 翔一 and 丹羽 健太},
    title = {球面調和関数展開に基づく2 種類の超接話マイクロホンアレイ},
    journal = {電子情報通信学会論文誌{A}},
    volume = {J97-A},
    number = {4},
    pages = {264--273},
    year = {2014},
    category = {Journal Papers},
    url = {http://search.ieice.org/bin/summary.php?id=j97-a_4_264&category=A&year=2014&lang=J&abst=},
    lang = {ja}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Analytical approach to wave field reconstruction filtering in spatio-temporal frequency domain,” IEEE transactions on audio, speech, and language processing, vol. 21, no. 4, pp. 685-696, 2013. [LINK]
    @article{Koyama:IEEE_J_ASLP2013,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Analytical Approach to Wave Field Reconstruction Filtering in Spatio-Temporal Frequency Domain},
    journal = ieee_j_aslp,
    volume = {21},
    number = {4},
    pages = {685--696},
    year = {2013},
    category = {Journal Papers},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6362183},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Reproducing virtual sound sources in front of a loudspeaker array using inverse wave propagator,” IEEE transactions on audio, speech, and language processing, vol. 20, no. 6, pp. 1746-1758, 2012. [LINK]  [電気通信普及財団, テレコムシステム技術賞]
    @article{Koyama:IEEE_J_ASLP2012,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Reproducing Virtual Sound Sources in Front of a Loudspeaker Array Using Inverse Wave Propagator},
    journal = ieee_j_aslp,
    volume = {20},
    number = {6},
    pages = {1746--1758},
    year = {2012},
    category = {Journal Papers},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6155598},
    lang = {en},
    award_en = {The Telecom System Technology Award, the Telecommunication Advancement Foundation},
    award_ja = {電気通信普及財団, テレコムシステム技術賞}
    }

  • 小山 翔一, 栗原 徹, and 安藤 繁, “波動場の小領域観測による瞬時波源定位の理論と実験的検証,” 電気学会論文誌E, vol. 129-E, no. 10, pp. 350-356, 2009. [LINK]  [電気学会, センサ・マイクロマシン部門 奨励論文賞]
    @article{Koyama:IEEJ_J_SM2009,
    author = {小山 翔一 and 栗原 徹 and 安藤 繁},
    title = {波動場の小領域観測による瞬時波源定位の理論と実験的検証},
    journal = {電気学会論文誌{E}},
    volume = {129-E},
    number = {10},
    pages = {350--356},
    year = {2009},
    category = {Journal Papers},
    url = {https://www.jstage.jst.go.jp/article/ieejsmas/129/10/129_10_350/_article/-char/ja/},
    lang = {ja},
    award_ja = {電気学会, センサ・マイクロマシン部門 奨励論文賞}
    }

レター

  • J. Trevino, S. Koyama, S. Sakamoto, and Y. Suzuki, “Mixed-order ambisonics encoding of cylindrical microphone array signals,” Acoustical science and technology, acoustical letter, vol. 35, no. 3, pp. 174-177, 2014. [LINK] [PDF]
    @article{Trevino:AST_AL2014,
    author = {Jorge Trevino and Shoichi Koyama and Shuichi Sakamoto and Y\^oiti Suzuki},
    title = {Mixed-order Ambisonics encoding of cylindrical microphone array signals},
    journal = {Acoustical Science and Technology, Acoustical Letter},
    volume = {35},
    number = {3},
    pages = {174--177},
    year = {2014},
    category = {Letters},
    url = {https://www.jstage.jst.go.jp/article/ast/35/3/35_E1377/_article},
    pdf = {https://www.jstage.jst.go.jp/article/ast/35/3/35_E1377/_pdf},
    lang = {en}
    }

書籍

  • 小山 翔一, “Q01 サンプリング定理をやさしく教えてください,” in 音響学入門ペディア, 羽田 陽一, 大川 茂樹, and 木谷 俊介, Eds., コロナ社, 2017. [LINK]
    @incollection{Koyama:OnkyoPedia2017,
    author = {小山 翔一},
    editor = {羽田 陽一 and 大川 茂樹 and 木谷 俊介},
    title = {Q01 サンプリング定理をやさしく教えてください},
    booktitle = {音響学入門ペディア},
    publisher = {コロナ社},
    year = {2017},
    category = {Books},
    url = {http://www.coronasha.co.jp/np/isbn/9784339008951/},
    lang = {ja}
    }

  • 小山 翔一, “波面再構成フィルタに基づくリアルタイム音場伝送,” in 感覚デバイス開発 〜機器が担うヒト感覚の生成・拡張・代替技術〜, エヌ・ティー・エス, 2014, pp. 123-132. [LINK]
    @incollection{Koyama:NTS_Kankaku2014,
    author = {小山 翔一},
    title = {波面再構成フィルタに基づくリアルタイム音場伝送},
    booktitle = {感覚デバイス開発 〜機器が担うヒト感覚の生成・拡張・代替技術〜},
    chapter = {1-2-3},
    publisher = {エヌ・ティー・エス},
    pages = {123--132},
    year = {2014},
    category = {Books},
    url = {http://www.nts-book.co.jp/item/detail/summary/it/20140700_19.html},
    lang = {ja}
    }

解説記事

  • 小山 翔一, “スパース音場表現に基づく超解像型収音・再現 (<小特集>スパース表現に基づく音響信号処理),” 日本音響学会誌, vol. 71, no. 11, pp. 632-638, 2015. [LINK] [PDF]
    @article{Koyama:ASJ_J2015,
    author = {小山 翔一},
    title = {スパース音場表現に基づく超解像型収音・再現 (<小特集>スパース表現に基づく音響信号処理)},
    journal = {日本音響学会誌},
    volume = {71},
    number = {11},
    pages = {632--638},
    year = {2015},
    category = {Articles},
    url = {https://www.jstage.jst.go.jp/article/jasj/71/11/71_KJ00010109336/_article/-char/ja/},
    pdf = {https://www.jstage.jst.go.jp/article/jasj/71/11/71_KJ00010109336/_pdf},
    lang = {ja}
    }

  • 古家 賢一 and 小山 翔一, “波面合成技術の原理と応用 (特集: 立体音響技術),” 映像情報メディア学会誌, vol. 68, no. 8, pp. 621-624, 2014. [LINK] [PDF]
    @article{Furuya:ITE_J2014,
    author = {古家 賢一 and 小山 翔一},
    title = {波面合成技術の原理と応用 (特集: 立体音響技術)},
    journal = {映像情報メディア学会誌},
    volume = {68},
    number = {8},
    pages = {621--624},
    year = {2014},
    category = {Articles},
    url = {https://www.jstage.jst.go.jp/article/itej/68/8/68_621/_article/-char/ja/},
    pdf = {https://www.jstage.jst.go.jp/article/itej/68/8/68_621/_pdf},
    lang = {ja}
    }

  • 小山 翔一, “音場再現技術における数理問題: 波面合成・高次アンビソニックスの数理 (<小特集>近年の音響信号処理における数理科学の進展),” 日本音響学会誌, vol. 68, no. 11, pp. 584-589, 2012. [LINK] [PDF]
    @article{Koyama:ASJ_J2012,
    author = {小山 翔一},
    title = {音場再現技術における数理問題: 波面合成・高次アンビソニックスの数理 (<小特集>近年の音響信号処理における数理科学の進展)},
    journal = {日本音響学会誌},
    volume = {68},
    number = {11},
    pages = {584--589},
    year = {2012},
    category = {Articles},
    url = {https://www.jstage.jst.go.jp/article/jasj/68/11/68_KJ00008328914/_article/-char/ja/},
    pdf = {https://www.jstage.jst.go.jp/article/jasj/68/11/68_KJ00008328914/_pdf},
    lang = {ja}
    }

その他記事

  • 小山 翔一, “未来の音の収録・再生・編集技術の実現に向けて(創立100周年記念特集 「基礎・境界」が支えた100年,これからの100年),” 電子情報通信学会誌, vol. 100, no. 6, pp. 474-478, 2017. [LINK] [PDF] (Copyright © 2017 IEICE)
    @article{Koyama:IEICE_J_2017,
    author = {小山 翔一},
    title = {未来の音の収録・再生・編集技術の実現に向けて(創立100周年記念特集 「基礎・境界」が支えた100年,これからの100年)},
    journal = {電子情報通信学会誌},
    volume = {100},
    number = {6},
    pages = {474--478},
    year = {2017},
    url = {http://www.journal.ieice.org/archive.php?vol=100&num=6&year=2017&lang=J},
    pdf = {http://www.sp.ipc.i.u-tokyo.ac.jp/wp-content/papercite-data/koyama/koyama-ieice_j_2017.pdf},
    ieicenotice = {2017},
    category = {Others},
    lang = {ja}
    }

  • 小山 翔一, “サイバースペースにおける空間 (ちょっとしたエッセイ, コーヒーブレーク),” 日本音響学会誌, vol. 70, no. 4, p. 231, 2014. [LINK] [PDF]
    @article{Koyama:ASJ_CB_J2014,
    author = {小山 翔一},
    title = {サイバースペースにおける空間 (ちょっとしたエッセイ, コーヒーブレーク)},
    journal = {日本音響学会誌},
    volume = {70},
    number = {4},
    pages = {231},
    year = {2014},
    category = {Others},
    url = {https://www.jstage.jst.go.jp/article/jasj/70/4/70_KJ00009296820/_article/-char/ja/},
    pdf = {https://www.jstage.jst.go.jp/article/jasj/70/4/70_KJ00009296820/_pdf},
    lang = {ja}
    }

  • 小山 翔一, “「動きが生命をつくる –生命と意識への構成論的アプローチ–」池上高志著, 青土社 (私のすすめるこの一冊, コーヒーブレーク),” 日本音響学会誌, vol. 68, no. 4, pp. 209-210, 2012. [LINK] [PDF]
    @article{Koyama:ASJ_CB_J2012,
    author = {小山 翔一},
    title = {「動きが生命をつくる --生命と意識への構成論的アプローチ--」池上高志著, 青土社 (私のすすめるこの一冊, コーヒーブレーク)},
    journal = {日本音響学会誌},
    volume = {68},
    number = {4},
    pages = {209--210},
    year = {2012},
    category = {Others},
    url = {https://www.jstage.jst.go.jp/article/jasj/68/4/68_KJ00008018592/_article/-char/ja/},
    pdf = {https://www.jstage.jst.go.jp/article/jasj/68/4/68_KJ00008018592/_pdf},
    lang = {ja}
    }

招待/セミナー講演

  • S. Koyama, N. Murata, and H. Saruwatari, “Effect of multipole dictionary in sparse sound field decomposition for super-resolution in recording and reproduction,” in Proceedings of international congress on sound and vibration (ICSV), London, Jul. 2017. (to appear)
    @inproceedings{Koyama:ICSV2017,
    author = {Shoichi Koyama and Naoki Murata and Hiroshi Saruwatari},
    title = {Effect of Multipole Dictionary in Sparse Sound Field Decomposition For Super-resolution in Recording and Reproduction},
    booktitle = proc # icsv,
    address = {London},
    month = {Jul.},
    year = {2017},
    note = {(to appear)},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, N. Murata, and H. Saruwatari, “Super-resolution in sound field recording and reproduction based on sparse representation,” in 5th joint meeting of the acoustical society of america and acoustical society of japan, Honolulu, Nov. 2016. [LINK] [PPT]
    @inproceedings{Koyama:ASA_ASJ_joint2016,
    author = {Shoichi Koyama and Naoki Murata and Hiroshi Saruwatari},
    title = {Super-resolution in sound field recording and reproduction based on sparse representation},
    booktitle = {5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan},
    month = {Nov.},
    address = {Honolulu},
    year = {2016},
    url = {http://scitation.aip.org/content/asa/journal/jasa/140/4/10.1121/1.4969760},
    ppt = {https://www.slideshare.net/SaruwatariLabUTokyo/koyama-asa-asj-joint-meeting-2016},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, “Source-location-informed sound field recording and reproduction: a generalization to arrays of arbitrary geometry,” in Proceedings of 2016 AES international conference on sound field control, Guildford, Jul. 2016. [LINK] [PPT]
    @inproceedings{Koyama:AESconf2016SFC,
    author = {Shoichi Koyama},
    title = {Source-Location-Informed Sound Field Recording and Reproduction: A Generalization to Arrays of Arbitrary Geometry},
    booktitle = proc # {2016 } # aes_conf # { on Sound Field Control},
    month = {Jul.},
    address = {Guildford},
    year = {2016},
    url = {http://www.aes.org/e-lib/browse.cfm?elib=18303},
    ppt = {https://www.slideshare.net/SaruwatariLabUTokyo/koyama-aes-conference-sfc-2016},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, A. Matsubayashi, N. Murata, and H. Saruwatari, “Sparse sound field decomposition using group sparse bayesian learning,” in Proceedings of asia-pacific signal and information processing association annual summit and conference (APSIPA ASC), Hong Kong, Dec. 2015, pp. 850-855. [LINK] [PDF]
    @inproceedings{Koyama:APSIPA2015,
    author = {Shoichi Koyama and Atsushi Matsubayashi and Naoki Murata and Hiroshi Saruwatari},
    title = {Sparse Sound Field Decomposition Using Group Sparse Bayesian Learning},
    booktitle = proc # apsipa,
    month = {Dec.},
    address = {Hong Kong},
    year = {2015},
    pages = {850--855},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7415391},
    pdf = {http://www.apsipa.org/proceedings_2015/pdf/239.pdf},
    category = {International Conferences},
    lang = {en}
    }

  • 小山 翔一, “スパース信号表現って何?,” in 日本音響学会秋季研究発表会, ビギナーズセミナー:今話題のあの技術ってどうなってるの?, Sep. 2015.
    @inproceedings{Koyama:ASJ_Beginner_2015A,
    author = {小山 翔一},
    title = {スパース信号表現って何?},
    booktitle = {日本音響学会秋季研究発表会, ビギナーズセミナー:今話題のあの技術ってどうなってるの?},
    month = {Sep.},
    year = {2015},
    category = {Talks},
    lang = {ja}
    }

  • S. Koyama, “Sound field recording and reproduction and its extension to super-resolution,” in IEEE NZ Central Section Invited Lecture, Victoria University of Wellington, Apr. 2015. [PPT]
    @inproceedings{Koyama:Wellington_talk2015,
    author = {Shoichi Koyama},
    title = {Sound Field Recording and Reproduction and Its Extension to Super-resolution},
    booktitle = {{IEEE NZ Central Section Invited Lecture}, {Victoria University of Wellington}},
    day = {17},
    month = {Apr.},
    year = {2015},
    ppt = {http://www.sh01.org/wp-content/papercite-data/ppt/koyama-nz-seminar2015.pdf},
    category = {Talks},
    lang = {en}
    }

  • S. Koyama, “Sound field recording and reproduction and its extension to super-resolution,” in IEEE NZ North Section Technical seminar, University of Auckland, Apr. 2015. [PPT]
    @inproceedings{Koyama:Auckland_talk2015,
    author = {Shoichi Koyama},
    title = {Sound Field Recording and Reproduction and Its Extension to Super-resolution},
    booktitle = {{IEEE NZ North Section Technical seminar}, {University of Auckland}},
    day = {16},
    month = {Apr.},
    year = {2015},
    ppt = {http://www.sh01.org/wp-content/papercite-data/ppt/koyama-nz-seminar2015.pdf},
    category = {Talks},
    lang = {en}
    }

  • 猿渡 洋 and 小山 翔一, “音響メディアにおける新しい統計的信号処理とその応用,” in 日立製作所 中央研究所, セミナー講演, Jul. 2014.
    @inproceedings{Saruwatari:HitachiTalk2014,
    author = {猿渡 洋 and 小山 翔一},
    title = {音響メディアにおける新しい統計的信号処理とその応用},
    booktitle = {日立製作所 中央研究所, セミナー講演},
    month = {Jul.},
    year = {2014},
    category = {Talks},
    lang = {ja}
    }

  • 小山 翔一, “音場再現技術の基本原理と展開,” in 音学シンポジウム2014 (研究報告音楽情報科学/電子情報通信学会技術研究報告), May 2014. [LINK] [PPT] [Movie]
    @inproceedings{Koyama:OngakuSymp2014,
    author = {小山 翔一},
    title = {音場再現技術の基本原理と展開},
    booktitle = {音学シンポジウム2014 (研究報告音楽情報科学/電子情報通信学会技術研究報告)},
    month = {May},
    year = {2014},
    category = {Domestic Conferences},
    url = {https://ipsj.ixsq.nii.ac.jp/ej/?action=pages_view_main&active_action=repository_view_main_item_detail&item_id=101320&item_no=1&page_id=13&block_id=8},
    movie = {http://www.ustream.tv/recorded/47949078},
    ppt = {http://www.sh01.org/wp-content/papercite-data/ppt/koyama-ongakusymp2014.pdf},
    lang = {ja}
    }

  • 小山 翔一, “波面再構成フィルタに基づくリアルタイム波面合成技術,” in 電気学会 第6回 インタラクティブディスプレイ協同研究委員会, Jun. 2013.
    @inproceedings{Koyama:IEEJ_IntDispTC2013,
    author = {小山 翔一},
    title = {波面再構成フィルタに基づくリアルタイム波面合成技術},
    booktitle = {電気学会 第6回 インタラクティブディスプレイ協同研究委員会},
    month = {Jun.},
    year = {2013},
    category = {Talks},
    lang = {ja}
    }

国際会議

  • S. Koyama and L. Daudet, “Comparison of reverberation models for sparse sound field decomposition,” in Proceedings of IEEE workshop on applications of signal processing to audio and acoustics (WASPAA), New Paltz, Oct. 2017. (to appear)
    @inproceedings{Koyama:WASPAA2017,
    author = {Shoichi Koyama and Laurent Daudet},
    title = {Comparison of Reverberation Models for Sparse Sound Field Decomposition},
    booktitle = proc # ieee_waspaa,
    address = {New Paltz},
    month = {Oct.},
    year = {2017},
    note = {(to appear)},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, N. Murata, and H. Saruwatari, “Effect of multipole dictionary in sparse sound field decomposition for super-resolution in recording and reproduction,” in Proceedings of international congress on sound and vibration (ICSV), London, Jul. 2017. (to appear)  [Invited]
    @inproceedings{Koyama:ICSV2017,
    author = {Shoichi Koyama and Naoki Murata and Hiroshi Saruwatari},
    title = {Effect of Multipole Dictionary in Sparse Sound Field Decomposition For Super-resolution in Recording and Reproduction},
    booktitle = proc # icsv,
    address = {London},
    month = {Jul.},
    year = {2017},
    note = {(to appear)},
    category = {International Conferences},
    lang = {en},
    invite = {1}
    }

  • N. Murata, S. Koyama, N. Takamune, and H. Saruwatari, “Spatio-temporal sparse sound field decomposition considering acoustic source signal characteristics,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), New Orleans, Mar. 2017, pp. 441-445. [LINK]
    @inproceedings{Murata:ICASSP2017,
    author = {Naoki Murata and Shoichi Koyama and Norihiro Takamune and Hiroshi Saruwatari},
    title = {Spatio-temporal Sparse Sound Field Decomposition Considering Acoustic Source Signal Characteristics},
    booktitle = proc # ieee_icassp,
    address = {New Orleans},
    pages = {441--445},
    month = {Mar.},
    year = {2017},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/abstract/document/7952194/},
    lang = {en}
    }

  • N. Ueno, S. Koyama, and H. Saruwatari, “Listening-area-informed sound field reproduction based on circular harmonic expansion,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), New Orleans, Mar. 2017, pp. 111-115. [LINK]
    @inproceedings{Ueno:ICASSP2017,
    author = {Natsuki Ueno and Shoichi Koyama and Hiroshi Saruwatari},
    title = {Listening-area-informed Sound Field Reproduction Based On Circular Harmonic Expansion},
    booktitle = proc # ieee_icassp,
    address = {New Orleans},
    pages = {111--115},
    month = {Mar.},
    year = {2017},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/abstract/document/7952128/},
    lang = {en}
    }

  • N. Ueno, S. Koyama, and H. Saruwatari, “Listening-area-informed sound field reproduction with gaussian prior based on circular harmonic expansion,” in Proceedings of hands-free speech communication and microphone arrays (HSCMA), San Francisco, Mar. 2017, pp. 196-200. [LINK]
    @inproceedings{Ueno:HSCMA2017,
    author = {Natsuki Ueno and Shoichi Koyama and Hiroshi Saruwatari},
    title = {Listening-area-informed Sound Field Reproduction With Gaussian Prior Based On Circular Harmonic Expansion},
    booktitle = proc # hscma,
    pages = {196--200},
    address = {San Francisco},
    month = {Mar.},
    year = {2017},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/document/7895589/},
    lang = {en}
    }

  • H. Nakajima, D. Kitamura, N. Takamune, S. Koyama, H. Saruwatari, Y. Takahashi, and K. Kondo, “Audio signal separation using supervised NMF with time-variant all-pole-model-based basis deformation,” in Proceedings of asia-pacific signal and information processing association annual summit and conference (APSIPA ASC), Jeju, Dec. 2016. [LINK] [PDF]  [Invited]
    @inproceedings{Nakajima:APSIPA2016,
    author = {Hiroaki Nakajima and Daichi Kitamura and Norihiro Takamune and Shoichi Koyama and Hiroshi Saruwatari and Yu Takahashi and Kazunobu Kondo},
    title = {Audio Signal Separation using Supervised {NMF} with Time-variant All-Pole-Model-Based Basis Deformation},
    booktitle = proc # apsipa,
    month = {Dec.},
    address = {Jeju},
    year = {2016},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/document/7820763/},
    pdf = {http://www.apsipa.org/proceedings_2016/HTML/paper2016/206.pdf},
    lang = {en},
    invite = {2}
    }

  • S. Koyama, N. Murata, and H. Saruwatari, “Super-resolution in sound field recording and reproduction based on sparse representation,” in 5th joint meeting of the acoustical society of america and acoustical society of japan, Honolulu, Nov. 2016. [LINK] [PPT]  [Invited]
    @inproceedings{Koyama:ASA_ASJ_joint2016,
    author = {Shoichi Koyama and Naoki Murata and Hiroshi Saruwatari},
    title = {Super-resolution in sound field recording and reproduction based on sparse representation},
    booktitle = {5th Joint Meeting of the Acoustical Society of America and Acoustical Society of Japan},
    month = {Nov.},
    address = {Honolulu},
    year = {2016},
    url = {http://scitation.aip.org/content/asa/journal/jasa/140/4/10.1121/1.4969760},
    ppt = {https://www.slideshare.net/SaruwatariLabUTokyo/koyama-asa-asj-joint-meeting-2016},
    category = {International Conferences},
    lang = {en},
    invite = {1}
    }

  • H. Nakajima, D. Kitamura, N. Takamune, S. Koyama, H. Saruwatari, N. Ono, Y. Takahashi, and K. Kondo, “Music signal separation using supervised NMF with all-polle-model-based discriminative basis deformation,” in Proceedings of european signal processing conference (EUSIPCO), Budapest, Aug. 2016, pp. 1143-1147. [LINK] [PDF]
    @inproceedings{Nakajima:EUSIPCO2016,
    author = {Hiroaki Nakajima and Daichi Kitamura and Norihiro Takamune and Shoichi Koyama and Hiroshi Saruwatari and Nobutaka Ono and Yu Takahashi and Kazunobu Kondo},
    title = {Music Signal Separation Using Supervised {NMF} with All-Polle-Model-Based Discriminative Basis Deformation},
    booktitle = proc # eusipco,
    month = {Aug.},
    address = {Budapest},
    year = {2016},
    pages = {1143--1147},
    url = {http://ieeexplore.ieee.org/document/7760427/},
    pdf = {http://www.eurasip.org/Proceedings/Eusipco/Eusipco2016/papers/1570252089.pdf},
    category = {International Conferences},
    lang = {en}
    }

  • N. Murata, H. Kameoka, K. Kinoshita, S. Araki, T. Nakatani, S. Koyama, and H. Saruwatari, “Reverberation-robust underdetermined source separation with non-negative tensor double deconvolution,” in Proceedings of european signal processing conference (EUSIPCO), Budapest, Aug. 2016, pp. 1648-1652. [LINK] [PDF]
    @inproceedings{Murata:EUSIPCO2016,
    author = {Naoki Murata and Hirokazu Kameoka and Keisuke Kinoshita and Shoko Araki and Tomohiro Nakatani and Shoichi Koyama and Hiroshi Saruwatari},
    title = {Reverberation-robust underdetermined source separation with non-negative tensor double deconvolution},
    booktitle = proc # eusipco,
    month = {Aug.},
    address = {Budapest},
    year = {2016},
    pages = {1648--1652},
    url = {http://ieeexplore.ieee.org/abstract/document/7760528/},
    pdf = {http://www.eurasip.org/Proceedings/Eusipco/Eusipco2016/papers/1570252361.pdf},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, “Source-location-informed sound field recording and reproduction: a generalization to arrays of arbitrary geometry,” in Proceedings of 2016 AES international conference on sound field control, Guildford, Jul. 2016. [LINK] [PPT]  [Invited]
    @inproceedings{Koyama:AESconf2016SFC,
    author = {Shoichi Koyama},
    title = {Source-Location-Informed Sound Field Recording and Reproduction: A Generalization to Arrays of Arbitrary Geometry},
    booktitle = proc # {2016 } # aes_conf # { on Sound Field Control},
    month = {Jul.},
    address = {Guildford},
    year = {2016},
    url = {http://www.aes.org/e-lib/browse.cfm?elib=18303},
    ppt = {https://www.slideshare.net/SaruwatariLabUTokyo/koyama-aes-conference-sfc-2016},
    category = {International Conferences},
    lang = {en},
    invite = {1}
    }

  • Y. Mitsufuji, S. Koyama, and H. Saruwatari, “Multichannel blind source separation based on non-negative tensor factorization in wavenumber domain,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Shanghai, Mar. 2016, pp. 56-60. [LINK]
    @inproceedings{Mitsufuji:ICASSP2016,
    author = {Yuki Mitsufuji and Shoichi Koyama and Hiroshi Saruwatari},
    title = {Multichannel Blind Source Separation Based on Non-negative Tensor Factorization in Wavenumber Domain},
    booktitle = proc # ieee_icassp,
    month = {Mar.},
    address = {Shanghai},
    year = {2016},
    pages = {56--60},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7471636},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama and H. Saruwatari, “Sound field decomposition in reverberant environment using sparse and low-rank signal models,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Shanghai, Mar. 2016, pp. 345-349. [LINK]
    @inproceedings{Koyama:ICASSP2016,
    author = {Shoichi Koyama and Hiroshi Saruwatari},
    title = {Sound Field Decomposition in Reverberant Environment Using Sparse and Low-rank Signal Models},
    booktitle = proc # ieee_icassp,
    month = {Mar.},
    address = {Shanghai},
    year = {2016},
    pages = {345--349},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7471704},
    category = {International Conferences},
    lang = {en}
    }

  • N. Murata, S. Koyama, H. Kameoka, N. Takamune, and H. Saruwatari, “Sparse sound field decomposition with multichannel extension of complex NMF,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Shanghai, Mar. 2016, pp. 395-399. [LINK]
    @inproceedings{Murata:ICASSP2016,
    author = {Naoki Murata and Shoichi Koyama and Hirokazu Kameoka and Norihiro Takamune and Hiroshi Saruwatari},
    title = {Sparse Sound Field Decomposition with Multichannel Extension of Complex {NMF}},
    booktitle = proc # ieee_icassp,
    month = {Mar.},
    address = {Shanghai},
    year = {2016},
    pages = {395--399},
    url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7471694},
    category = {International Conferences},
    lang = {en}
    }

  • N. Murata, S. Koyama, N. Takamune, and H. Saruwatari, “Sparse sound field decomposition with parametric dictionary learning for super-resolution recording and reproduction,” in Proceedings of IEEE international workshop on computational advances in multi-sensor adaptive processing (CAMSAP), Cancun, Dec. 2015, pp. 69-72. [LINK]
    @inproceedings{Murata:CAMSAP2015,
    author = {Naoki Murata and Shoichi Koyama and Norihiro Takamune and Hiroshi Saruwatari},
    title = {Sparse Sound Field Decomposition with Parametric Dictionary Learning for Super-Resolution Recording and Reproduction},
    booktitle = proc # ieee_camsap,
    month = {Dec.},
    address = {Cancun},
    year = {2015},
    pages = {69--72},
    url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=7383738},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, A. Matsubayashi, N. Murata, and H. Saruwatari, “Sparse sound field decomposition using group sparse bayesian learning,” in Proceedings of asia-pacific signal and information processing association annual summit and conference (APSIPA ASC), Hong Kong, Dec. 2015, pp. 850-855. [LINK] [PDF]  [Invited]
    @inproceedings{Koyama:APSIPA2015,
    author = {Shoichi Koyama and Atsushi Matsubayashi and Naoki Murata and Hiroshi Saruwatari},
    title = {Sparse Sound Field Decomposition Using Group Sparse Bayesian Learning},
    booktitle = proc # apsipa,
    month = {Dec.},
    address = {Hong Kong},
    year = {2015},
    pages = {850--855},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7415391},
    pdf = {http://www.apsipa.org/proceedings_2015/pdf/239.pdf},
    category = {International Conferences},
    lang = {en},
    invite = {1}
    }

  • S. Koyama, K. Ito, and H. Saruwatari, “Source-location-informed sound field recording and reproduction with spherical arrays,” in Proceedings of IEEE workshop on applications of signal processing to audio and acoustics (WASPAA), New Paltz, Oct. 2015. [LINK]
    @inproceedings{Koyama:WASPAA2015,
    author = {Shoichi Koyama and Koichiro Ito and Hiroshi Saruwatari},
    title = {Source-location-informed sound field recording and reproduction with spherical arrays},
    booktitle = proc # ieee_waspaa,
    address = {New Paltz},
    month = {Oct.},
    year = {2015},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7336914},
    category = {International Conferences},
    lang = {en}
    }

  • Y. Murota, D. Kitamura, S. Koyama, H. Saruwatari, and S. Nakamura, “Statistical modeling of binaural signal and its application to binaural source separation,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Brisbane, Apr. 2015, pp. 494-498. [LINK]
    @inproceedings{Murota:ICASSP2015,
    author = {Yuki Murota and Daichi Kitamura and Shoichi Koyama and Hiroshi Saruwatari and Satoshi Nakamura},
    title = {Statistical modeling of binaural signal and its application to binaural source separation},
    booktitle = proc # ieee_icassp,
    address = {Brisbane},
    month = {Apr.},
    year = {2015},
    pages = {494--498},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7178018},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, N. Murata, and H. Saruwatari, “Structured sparse signal models and decomposition algorithm for super-resolution in sound field recording and reproduction,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Brisbane, Apr. 2015, pp. 619-623. [LINK]
    @inproceedings{Koyama:ICASSP2015,
    author = {Shoichi Koyama and Naoki Murata and Hiroshi Saruwatari},
    title = {Structured sparse signal models and decomposition algorithm for super-resolution in sound field recording and reproduction},
    booktitle = proc # ieee_icassp,
    address = {Brisbane},
    month = {Apr.},
    year = {2015},
    pages = {619--623},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7178043},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, P. Srivastava, K. Furuya, S. Shimauchi, and H. Ohmuro, “STSP: space-time stretched pulse for measuring spatio-temporal impulse response,” in Proceedings of international workshop on acoustic signal enhancement (IWAENC), Antibes, Sep. 2014, pp. 309-313. [LINK]
    @inproceedings{Koyama:IWAENC2014,
    author = {Shoichi Koyama and Prakhar Srivastava and Ken'ichi Furuya and Suehiro Shimauchi and Hitoshi Ohmuro},
    title = {{STSP}: Space-Time Stretched Pulse for Measuring Spatio-Temporal Impulse Response},
    booktitle = proc # iwaenc,
    address = {Antibes},
    month = {Sep.},
    pages = {309--313},
    year = {2014},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6954308},
    lang = {en}
    }

  • Y. Haneda, K. Furuya, S. Koyama, and K. Niwa, “Close-talking spherical microphone array using sound pressure interpolation based on spherical harmonic expansion,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Florence, May 2014, pp. 604-608. [LINK]
    @inproceedings{Haneda:ICASSP2014,
    author = {Yoichi Haneda and Ken'ichi Furuya and Shoichi Koyama and Kenta Niwa},
    title = {Close-talking spherical microphone array using sound pressure interpolation based on spherical harmonic expansion},
    booktitle = proc # ieee_icassp,
    address = {Florence},
    month = {May},
    pages = {604--608},
    year = {2014},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6853667},
    lang = {en}
    }

  • S. Koyama, S. Shimauchi, and H. Ohmuro, “Sparse sound field representation in recording and reproduction for reducing spatial aliasing artifacts,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Florence, May 2014, pp. 4443-4447. [LINK]
    @inproceedings{Koyama:ICASSP2014,
    author = {Shoichi Koyama and Suehiro Shimauchi and Hitoshi Ohmuro},
    title = {Sparse Sound Field Representation in Recording and Reproduction for Reducing Spatial Aliasing Artifacts},
    booktitle = proc # ieee_icassp,
    address = {Florence},
    month = {May},
    pages = {4443--4447},
    year = {2014},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6854442},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “MAP estimation of driving signals of loudspeakers for sound field reproduction from pressure measurements,” in Proceedings of IEEE workshop on applications of signal processing to audio and acoustics (WASPAA), New Paltz, Oct. 2013. [LINK]
    @inproceedings{Koyama:WASPAA2013,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {{MAP} Estimation of Driving Signals of Loudspeakers for Sound Field Reproduction From Pressure Measurements},
    booktitle = proc # ieee_waspaa,
    address = {New Paltz},
    month = {Oct.},
    year = {2013},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6701895},
    lang = {en}
    }

  • S. Koyama, K. Furuya, H. Uematsu, Y. Hiwasaki, and Y. Haneda, “Real-time sound field transmission system by using wave field reconstruction filter and its subjective listening test,” in Proceedings of 52nd AES international conference, Guildford, Sep. 2013. [LINK]
    @inproceedings{Koyama:AES52Conf2013,
    author = {Shoichi Koyama and Ken'ichi Furuya and Hisashi Uematsu and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Real-time sound field transmission system by using wave field reconstruction filter and its subjective listening test},
    booktitle = proc # {52nd } # aes_conf,
    address = {Guildford},
    month = {Sep.},
    year = {2013},
    category = {International Conferences},
    url = {http://www.aes.org/e-lib/browse.cfm?elib=16899},
    lang = {en}
    }

  • H. Takada, M. Date, S. Koyama, S. Ozawa, S. Mieda, and A. Kojima, “High-reality space composition using stably-positioned imaging and acoustic wave field synthesis,” in Proceedings of 36th european conference on visual perception (ECVP), Bremen, Aug. 2013, p. 224. [LINK]
    @inproceedings{Takada:ECVP2013,
    author = {Hideaki Takada and Munekazu Date and Shoichi Koyama and Shiro Ozawa and Satoshi Mieda and Akira Kojima},
    title = {High-reality space composition using stably-positioned imaging and acoustic wave field synthesis},
    booktitle = {Proceedings of 36th European Conference on Visual Perception ({ECVP})},
    pages = {224},
    address = {Bremen},
    month = {Aug.},
    year = {2013},
    category = {International Conferences},
    url = {http://www.perceptionweb.com/abstract.cgi?id=v130041},
    lang = {en}
    }

  • S. Koyama, T. Lee, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Improvement using circular harmonics beamforming on reverberation problem of wave field reconstruction filtering,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Vancouver, Mar. 2013, pp. 276-280. [LINK]
    @inproceedings{Koyama:ICASSP2013_2,
    author = {Shoichi Koyama and Timothy Lee and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Improvement using circular harmonics beamforming on reverberation problem of wave field reconstruction filtering},
    booktitle = proc # ieee_icassp,
    pages = {276--280},
    address = {Vancouver},
    month = {Mar.},
    year = {2013},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6637652},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, Y. Haneda, and Y. Suzuki, “Sound field reproduction using multiple linear arrays based on wave field reconstruction filtering in helical wave spectrum domain,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Vancouver, Mar. 2013, pp. 271-275. [LINK]
    @inproceedings{Koyama:ICASSP2013_1,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda and Y\^oiti Suzuki},
    title = {Sound field reproduction using multiple linear arrays based on wave field reconstruction filtering in helical wave spectrum domain},
    booktitle = proc # ieee_icassp,
    pages = {271--275},
    address = {Vancouver},
    month = {Mar.},
    year = {2013},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6637651},
    lang = {en}
    }

  • S. Emura, S. Koyama, K. Furuya, and Y. Haneda, “Posterior residual echo canceling and its complexity reduction in the wave domain,” in Proceedings of international workshop on acoustic signal enhancement (IWAENC), Aachen, Sep. 2012. [LINK]
    @inproceedings{Emura:IWAENC2012,
    author = {Satoru Emura and Shoichi Koyama and Ken'ichi Furuya and Yoichi Haneda},
    title = {Posterior Residual Echo Canceling and its Complexity Reduction in the Wave Domain},
    booktitle = proc # iwaenc,
    address = {Aachen},
    month = {Sep.},
    year = {2012},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6309416},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Sound field reproduction method in spatio-temporal frequency domain considering directivity of loudspeakers,” in Proceedings of 132nd AES convention, Budapest, Apr. 2012. [LINK]
    @inproceedings{Koyama:AES132Conv2012,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Sound Field Reproduction Method in Spatio-Temporal Frequency Domain Considering Directivity of Loudspeakers},
    booktitle = proc # {132nd } # aes_conv,
    address = {Budapest},
    month = {Apr.},
    year = {2012},
    category = {International Conferences},
    url = {http://www.aes.org/e-lib/online/browse.cfm?elib=16302},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Design of transform filter for reproducing arbitrary shifted sound field using phase-shift of spatio-temporal frequency,” in Proceedings of IEEE international conference on acoustics, speech, and signal processing (ICASSP), Kyoto, 2012, pp. 381-384. [LINK]
    @inproceedings{Koyama:ICASSP2012,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Design of Transform Filter for Reproducing Arbitrary Shifted Sound Field Using Phase-Shift of Spatio-Temporal Frequency},
    booktitle = proc # ieee_icassp,
    pages = {381--384},
    address = {Kyoto},
    year = {2012},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6287896},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Sound field recording and reproduction using transform filter designed in spatio-temporal frequency domain,” in Proceedings of 131st AES convention, New York, Oct. 2011. [LINK]
    @inproceedings{Koyama:AES131Conv2011,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Sound Field Recording and Reproduction Using Transform Filter Designed in Spatio-Temporal Frequency Domain},
    booktitle = proc # {131st } # aes_conv,
    address = {New York},
    month = {Oct.},
    year = {2011},
    category = {International Conferences},
    url = {http://www.aes.org/e-lib/browse.cfm?conv=131&papernum=8544},
    lang = {en}
    }

  • S. Koyama, K. Furuya, Y. Hiwasaki, and Y. Haneda, “Design of transform filter for sound field reproduction using microphone array and loudspeaker array,” in Proceedings of IEEE workshop on applications of signal processing to audio and acoustics (WASPAA), New Paltz, Oct. 2011, pp. 5-8. [LINK]
    @inproceedings{Koyama:WASPAA2011,
    author = {Shoichi Koyama and Ken'ichi Furuya and Yusuke Hiwasaki and Yoichi Haneda},
    title = {Design of Transform Filter for Sound Field Reproduction Using Microphone Array and Loudspeaker Array},
    booktitle = proc # ieee_waspaa,
    pages = {5--8},
    address = {New Paltz},
    month = {Oct.},
    year = {2011},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6082291},
    lang = {en}
    }

  • S. Koyama, Y. Hiwasaki, K. Furuya, and Y. Haneda, “Inverse wave propagation for reproducing virtual source in front of loudspeaker array,” in Proceedings of european signal processing conference (EUSIPCO), Barcelona, Sep. 2011, pp. 1322-1326. [PDF]
    @inproceedings{Koyama:EUSIPCO2011,
    author = {Shoichi Koyama and Yusuke Hiwasaki and Ken'ichi Furuya and Yoichi Haneda},
    title = {Inverse Wave Propagation for Reproducing Virtual Source in Front of Loudspeaker Array},
    booktitle = proc # eusipco,
    pages = {1322--1326},
    address = {Barcelona},
    month = {Sep.},
    year = {2011},
    category = {International Conferences},
    pdf = {http://www.eurasip.org/Proceedings/Eusipco/Eusipco2011/papers/1569416679.pdf},
    lang = {en}
    }

  • S. Koyama, Y. Hiwasaki, K. Furuya, and Y. Haneda, “Inverse wave propagation in wave field synthesis,” in Proceedings of 40th AES international conference, Tokyo, Oct. 2010. [LINK]
    @inproceedings{Koyama:AES40Conf2010,
    author = {Shoichi Koyama and Yusuke Hiwasaki and Ken'ichi Furuya and Yoichi Haneda},
    title = {Inverse Wave Propagation in Wave Field Synthesis},
    booktitle = proc # {40th } # aes_conf,
    address = {Tokyo},
    month = {Oct.},
    year = {2010},
    category = {International Conferences},
    url = {http://www.aes.org/e-lib/browse.cfm?elib=15530},
    lang = {en}
    }

  • S. Koyama and R. Suzuki, “Scape synthesis: generation of a novel acoustical space based on auditory perceptual features,” in Proceedings of the 2009 international computer music conference (ICMC), Montreal, Aug. 2009, pp. 533-536. [PDF] [Movie]
    @inproceedings{Koyama:ICMC2008,
    author = {Shoichi Koyama and Risa Suzuki},
    title = {Scape Synthesis: Generation of a Novel Acoustical Space Based on Auditory Perceptual Features},
    booktitle = {Proceedings of the 2009 International Computer Music Conference ({ICMC})},
    pages = {533--536},
    address = {Montreal},
    month = {Aug.},
    year = {2009},
    movie = {https://www.youtube.com/watch?v=sJz010zBBdE},
    category = {International Conferences},
    lang = {en}
    }

  • S. Koyama, T. Kurihara, and S. Ando, “A direct algebraic method of instantaneous wave source localization,” in Proceedings of SICE annual conference, Aug. 2008, pp. 532-537. [LINK]
    @inproceedings{Koyama:SICE_Conf2008,
    author = {Shoichi Koyama and Toru Kurihara and Shigeru Ando},
    title = {A Direct Algebraic Method of Instantaneous Wave Source Localization},
    booktitle = {Proceedings of {SICE} Annual Conference},
    pages = {532--537},
    adress = {Tokyo},
    month = {Aug.},
    year = {2008},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4654713},
    lang = {en}
    }

  • S. Ando, S. Koyama, N. Ono, and N. Ikeuchi, “Silicon cochlear microphone “fishbone” with complex filtering and hilbert transform capability for instantaneous signal detection and analysis,” in Proceedings of transducers ’07, Lyon, Jun. 2007, pp. 1295-1298. [LINK]
    @inproceedings{Koyama:Transducers2007,
    author = {Shigeru Ando and Shoichi Koyama and Nobutaka Ono and Naoki Ikeuchi},
    title = {Silicon Cochlear Microphone ``Fishbone'' with Complex Filtering and Hilbert Transform Capability for Instantaneous Signal Detection and Analysis},
    booktitle = {Proceedings of Transducers '07},
    pages = {1295--1298},
    address = {Lyon},
    month = {Jun.},
    year = {2007},
    category = {International Conferences},
    url = {http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4300375},
    lang = {en}
    }

国内会議

  • 植野 夏樹, 小山 翔一, and 猿渡 洋, “受聴エリア事前情報を用いた音場再現 ~ 任意のスピーカ配置と指向特性における検証 ~,” in 電子情報通信学会技術研究報告, Jan. 2017, pp. 7-12.  [音響・超音波サブソサイエティ 学生研究奨励賞]
    @inproceedings{Ueno:IEICE_TR_EA2017-01,
    author = {植野 夏樹 and 小山 翔一 and 猿渡 洋},
    title = {受聴エリア事前情報を用いた音場再現 ~ 任意のスピーカ配置と指向特性における検証 ~},
    booktitle = {電子情報通信学会技術研究報告},
    volume = {116},
    number = {420},
    pages = {7--12},
    year = {2017},
    month = {Jan.},
    category = {Domestic Conferences},
    award_ja = {音響・超音波サブソサイエティ 学生研究奨励賞},
    lang = {ja}
    }

  • 中嶋 広明, 北村 大地, 高宗 典玄, 小山 翔一, 猿渡 洋, 小野 順貴, 高橋 祐, and 近藤 多伸, “全極モデルを用いた基底変形型教師ありNMFにおける変形自由度に関する研究,” in 電子情報通信学会技術研究報告, Dec. 2016, pp. 13-18.
    @inproceedings{Nakajima:IEICE_TR_EA2016-12,
    author = {中嶋 広明 and 北村 大地 and 高宗 典玄 and 小山 翔一 and 猿渡 洋 and 小野 順貴 and 高橋 祐 and 近藤 多伸},
    title = {全極モデルを用いた基底変形型教師あり{NMF}における変形自由度に関する研究},
    booktitle = {電子情報通信学会技術研究報告},
    volume = {115},
    number = {359},
    pages = {13--18},
    year = {2016},
    month = {Dec.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 村田 直毅, 小山 翔一, 高宗 典玄, and 猿渡 洋, “音源信号の特性を考慮した時空間スパース音場分解の検討,” in 第31回 信号処理シンポジウム, Nov. 2016, pp. 311-316.
    @inproceedings{Murata:SIP2016,
    author = {村田 直毅 and 小山 翔一 and 高宗 典玄 and 猿渡 洋},
    title = {音源信号の特性を考慮した時空間スパース音場分解の検討},
    booktitle = {第31回 信号処理シンポジウム},
    pages = {311--316},
    year = {2016},
    month = {Nov.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 村田 直毅, 小山 翔一, 高宗 典玄, and 猿渡 洋, “多重極辞書を用いたスパース音場分解の検討,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2016, pp. 393-396.
    @inproceedings{Murata:ASJ2016A,
    author = {村田 直毅 and 小山 翔一 and 高宗 典玄 and 猿渡 洋},
    title = {多重極辞書を用いたスパース音場分解の検討},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3–7-10},
    pages = {393--396},
    year = {2016},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 植野 夏樹, 小山 翔一, and 猿渡 洋, “受聴エリア事前情報を用いた音場再現 –直線状アレイによる検証–,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2016, pp. 415-418.  [日本音響学会, 学生優秀発表賞]
    @inproceedings{Ueno:ASJ2016A,
    author = {植野 夏樹 and 小山 翔一 and 猿渡 洋},
    title = {受聴エリア事前情報を用いた音場再現 --直線状アレイによる検証--},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3–7-17},
    pages = {415--418},
    year = {2016},
    month = {Sep.},
    category = {Domestic Conferences},
    award_ja = {日本音響学会, 学生優秀発表賞},
    lang = {ja}
    }

  • 高田 一真, 北村 大地, 中嶋 広明, 小山 翔一, 猿渡 洋, 小野 順貴, and 牧野 昭二, “教師あり多チャネルNMFと統計的音声強調を用いた柔軟索状ロボットにおける音源分離,” in 日本音響学会春季研究発表会講演論文集, Mar. 2016, pp. 609-612.
    @inproceedings{Takata:ASJ2016S,
    author = {高田 一真 and 北村 大地 and 中嶋 広明 and 小山 翔一 and 猿渡 洋 and 小野 順貴 and 牧野 昭二},
    title = {教師あり多チャネル{NMF}と統計的音声強調を用いた柔軟索状ロボットにおける音源分離},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3–3-2},
    pages = {609--612},
    year = {2016},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 伊藤 光一郎, 小山 翔一, and 猿渡 洋, “音源位置事前情報を用いた球状アレイによる音場収音・再現,” in 日本音響学会春季研究発表会講演論文集, Mar. 2016, pp. 771-774.
    @inproceedings{Ito:ASJ2016S,
    author = {伊藤 光一郎 and 小山 翔一 and 猿渡 洋},
    title = {音源位置事前情報を用いた球状アレイによる音場収音・再現},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {2–P-3},
    pages = {771--774},
    year = {2016},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 村田 直毅, 亀岡 弘和, 木下 慶介, 荒木 章子, 中谷 智広, 小山 翔一, and 猿渡 洋, “非負値テンソル二重逆畳み込みによる残響環境下の劣決定音源分離,” in 日本音響学会春季研究発表会講演論文集, Mar. 2016, pp. 623-626.
    @inproceedings{Murata:ASJ2016S,
    author = {村田 直毅 and 亀岡 弘和 and 木下 慶介 and 荒木 章子 and 中谷 智広 and 小山 翔一 and 猿渡 洋},
    title = {非負値テンソル二重逆畳み込みによる残響環境下の劣決定音源分離},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3–3-6},
    pages = {623--626},
    year = {2016},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 中嶋 広明, 北村 大地, 高宗 典玄, 小山 翔一, 猿渡 洋, 小野 順貴, 高橋 祐, and 近藤 多伸, “時変な全極モデルを用いた基底変形型教師ありNMF による音楽信号分離,” in 日本音響学会春季研究発表会講演論文集, Mar. 2016, pp. 635-638.
    @inproceedings{Nakajima:ASJ2016S,
    author = {中嶋 広明 and 北村 大地 and 高宗 典玄 and 小山 翔一 and 猿渡 洋 and 小野 順貴 and 高橋 祐 and 近藤 多伸},
    title = {時変な全極モデルを用いた基底変形型教師あり{NMF} による音楽信号分離},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3–3-11},
    pages = {635--638},
    year = {2016},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 束村 陽, 小山 翔一, and 猿渡 洋, “残響環境下音場分解のための信号モデルと分離アルゴリズムの検討,” in 日本音響学会秋季研究発表会講演論文集, Mar. 2016, pp. 389-392.
    @inproceedings{Tsukamura:ASJ2016A,
    author = {束村 陽 and 小山 翔一 and 猿渡 洋},
    title = {残響環境下音場分解のための信号モデルと分離アルゴリズムの検討},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3–7-9},
    pages = {389--392},
    year = {2016},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一 and 猿渡 洋, “球・円状マイクロフォンアレイ信号からバイノーラル信号への変換に対する解析的アプローチ,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2015, pp. 685-686.
    @inproceedings{Koyama:ASJ2015A-1,
    author = {小山 翔一 and 猿渡 洋},
    title = {球・円状マイクロフォンアレイ信号からバイノーラル信号への変換に対する解析的アプローチ},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {2-P-3},
    pages = {685--686},
    year = {2015},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 村田 直毅, 小山 翔一, 高宗 典玄, and 猿渡 洋, “スパース音場分解とパラメトリック辞書学習による超解像型収音・再現,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2015, pp. 671-674.
    @inproceedings{Murata:ASJ2015A-1,
    author = {村田 直毅 and 小山 翔一 and 高宗 典玄 and 猿渡 洋},
    title = {スパース音場分解とパラメトリック辞書学習による超解像型収音・再現},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {1-P-32},
    pages = {671--674},
    year = {2015},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一 and 猿渡 洋, “スパース性と低ランク性に基づく信号表現による音場分解,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2015, pp. 565-568.
    @inproceedings{Koyama:ASJ2015A-2,
    author = {小山 翔一 and 猿渡 洋},
    title = {スパース性と低ランク性に基づく信号表現による音場分解},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3-6-5},
    pages = {565--568},
    year = {2015},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 村田 直毅, 小山 翔一, 亀岡 弘和, 高宗 典玄, and 猿渡 洋, “スパース音場分解における時間周波数領域低ランクモデルの導入,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2015, pp. 569-572.  [日本音響学会, 学生優秀発表賞]
    @inproceedings{Murata:ASJ2015A-2,
    author = {村田 直毅 and 小山 翔一 and 亀岡 弘和 and 高宗 典玄 and 猿渡 洋},
    title = {スパース音場分解における時間周波数領域低ランクモデルの導入},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3–6-6},
    pages = {569--572},
    year = {2015},
    month = {Sep.},
    category = {Domestic Conferences},
    award_ja = {日本音響学会, 学生優秀発表賞},
    lang = {ja}
    }

  • 中嶋広明, 北村 大地, 高宗 典玄, 小山 翔一, 猿渡 洋, 小野 順貴, 高橋 祐, and 近藤 多伸, “全極モデルを用いた基底変形型教師ありNMFによる音楽信号分離,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2015, p. 573–576 (EA2015-42).  [日本音響学会, 学生優秀発表賞]
    @inproceedings{Nakajima:ASJ2015A,
    author = {中嶋広明 and 北村 大地 and 高宗 典玄 and 小山 翔一 and 猿渡 洋 and 小野 順貴 and 高橋 祐 and 近藤 多伸},
    title = {全極モデルを用いた基底変形型教師あり{NMF}による音楽信号分離},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3–6-7},
    pages = {573--576 (EA2015-42)},
    year = {2015},
    month = {Sep.},
    category = {Domestic Conferences},
    award_ja = {日本音響学会, 学生優秀発表賞},
    lang = {ja}
    }

  • 小山 翔一, 村田 直毅, and 猿渡 洋, “超解像型音場収音・再現のためのグループスパース信号表現と分解アルゴリズム,” in 日本音響学会春季研究発表会講演論文集, Mar. 2015, pp. 639-642.
    @inproceedings{Koyama:ASJ2015S,
    author = {小山 翔一 and 村田 直毅 and 猿渡 洋},
    title = {超解像型音場収音・再現のためのグループスパース信号表現と分解アルゴリズム},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3-10-14},
    pages = {639--642},
    year = {2015},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 室田 勇騎, 北村 大地, 小山 翔一, 猿渡 洋, and 中村 哲, “時系列事前分布モデルとスペクトル基底の同時適応を用いたバイノーラル音源分離の実験的評価,” in 日本音響学会春季研究発表会講演論文集, Mar. 2015, pp. 549-552.
    @inproceedings{Murota:ASJ2015S,
    author = {室田 勇騎 and 北村 大地 and 小山 翔一 and 猿渡 洋 and 中村 哲},
    title = { 時系列事前分布モデルとスペクトル基底の同時適応を用いたバイノーラル音源分離の実験的評価},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {1-10-12},
    pages = {549--552},
    year = {2015},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 古家 賢一, 羽田 陽一, and 猿渡 洋, “音源位置事前情報を用いた超解像型音場収音・再現における空間相関分布の導入,” in 日本音響学会春季研究発表会講演論文集, Mar. 2015, pp. 635-638.
    @inproceedings{Koyama:ASJ2015S,
    author = {小山 翔一 and 古家 賢一 and 羽田 陽一 and 猿渡 洋},
    title = {音源位置事前情報を用いた超解像型音場収音・再現における空間相関分布の導入},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3-10-13},
    pages = {635--638},
    year = {2015},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 室田 勇騎, 北村 大地, 小山 翔一, 猿渡 洋, and 中村 哲, “バイノーラル音源分離における時系列事前分布モデルとスペクトル基底の同時適応,” in 電子情報通信学会技術研究報告, Jan. 2015, pp. 27-32.
    @inproceedings{Murota:IEICE_TR_EA2015-01,
    author = {室田 勇騎 and 北村 大地 and 小山 翔一 and 猿渡 洋 and 中村 哲},
    title = {バイノーラル音源分離における時系列事前分布モデルとスペクトル基底の同時適応},
    booktitle = {電子情報通信学会技術研究報告},
    volume = {114},
    number = {423 (EA2014-64)},
    pages = {27--32},
    year = {2015},
    month = {Jan.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 室田 勇騎, 北村 大地, 小山 翔一, 猿渡 洋, and 中村 哲, “チャネル別事前分布推定と両耳共通スペクトルゲインを用いた定位保持型バイノーラル音源分離,” in 第29回 信号処理シンポジウム, Nov. 2014, pp. 486-491.
    @inproceedings{Murota:SIP2014,
    author = {室田 勇騎 and 北村 大地 and 小山 翔一 and 猿渡 洋 and 中村 哲},
    title = {チャネル別事前分布推定と両耳共通スペクトルゲインを用いた定位保持型バイノーラル音源分離},
    booktitle = {第29回 信号処理シンポジウム},
    pages = {486--491},
    year = {2014},
    month = {Nov.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 島内 末廣, and 猿渡 洋, “超解像型音場収音・再現のためのスパース音場表現とパラメトリック辞書学習,” in 第29回 信号処理シンポジウム, Nov. 2014, pp. 478-483.
    @inproceedings{Koyama:SIP2014,
    author = {小山 翔一 and 島内 末廣 and 猿渡 洋},
    title = {超解像型音場収音・再現のためのスパース音場表現とパラメトリック辞書学習},
    booktitle = {第29回 信号処理シンポジウム},
    pages = {478--483},
    year = {2014},
    month = {Nov.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 島内 末廣, and 大室 仲, “スパース音場表現に基づく音場収音・再現の超解像化,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2014, pp. 571-574.
    @inproceedings{Koyama:ASJ2014A,
    author = {小山 翔一 and 島内 末廣 and 大室 仲},
    title = {スパース音場表現に基づく音場収音・再現の超解像化},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {2-1-9},
    pages = {571--574},
    year = {2014},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 室田 勇騎, 北村 大地, 小山 翔一, 猿渡 洋, and 中村 哲, “バイノーラル信号音源分離における両耳事前分布モデルの考察,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2014, pp. 595-598.  [日本音響学会, 学生優秀発表賞]
    @inproceedings{Murota:ASJ2014A,
    author = {室田 勇騎 and 北村 大地 and 小山 翔一 and 猿渡 洋 and 中村 哲},
    title = {バイノーラル信号音源分離における両耳事前分布モデルの考察},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    numner = {1-1-3},
    pages = {595--598},
    year = {2014},
    month = {Sep.},
    category = {Domestic Conferences},
    award_ja = {日本音響学会, 学生優秀発表賞},
    lang = {ja}
    }

  • 小山 翔一, “音場再現技術の基本原理と展開,” in 音学シンポジウム2014 (研究報告音楽情報科学/電子情報通信学会技術研究報告), May 2014. [LINK] [PPT] [Movie]  [Invited]
    @inproceedings{Koyama:OngakuSymp2014,
    author = {小山 翔一},
    title = {音場再現技術の基本原理と展開},
    booktitle = {音学シンポジウム2014 (研究報告音楽情報科学/電子情報通信学会技術研究報告)},
    month = {May},
    year = {2014},
    category = {Domestic Conferences},
    url = {https://ipsj.ixsq.nii.ac.jp/ej/?action=pages_view_main&active_action=repository_view_main_item_detail&item_id=101320&item_no=1&page_id=13&block_id=8},
    movie = {http://www.ustream.tv/recorded/47949078},
    ppt = {http://www.sh01.org/wp-content/papercite-data/ppt/koyama-ongakusymp2014.pdf},
    lang = {ja},
    invite = {1}
    }

  • J. Trevino, S. Koyama, S. Sakamoto, and Y. Suzuki, “Robustness of spherical and cylindrical microphone arrays in harmonic beamforming applications,” in 電子情報通信学会技術研究報告, Mar. 2014, pp. 37-42. [LINK]
    @inproceedings{Trevino:IEICE_TR_EA2014-03,
    author = {J. Trevino and S. Koyama and S. Sakamoto and Y. Suzuki},
    title = {Robustness of Spherical and Cylindrical Microphone Arrays in Harmonic Beamforming Applications},
    booktitle = {電子情報通信学会技術研究報告},
    volume = {113},
    number = {503},
    pages = {37--42},
    year = {2014},
    month = {Mar.},
    category = {Domestic Conferences},
    url = {http://ci.nii.ac.jp/naid/40020044442/},
    lang = {ja}
    }

  • 若山 圭吾, 小山 翔一, 島内 末廣, and 大室 仲, “一般化N次元主成分分析によるマルチチャネル音響信号の時間階層型次元削減,” in 日本音響学会春季研究発表会講演論文集, Mar. 2014, pp. 831-832.
    @inproceedings{Wakayama:ASJ2014S,
    author = {若山 圭吾 and 小山 翔一 and 島内 末廣 and 大室 仲},
    title = {一般化{N}次元主成分分析によるマルチチャネル音響信号の時間階層型次元削減},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {1-P5-8},
    pages = {831--832},
    year = {2014},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, P. Srivastava, 古家 賢一, 島内 末廣, and 大室 仲, “STSP: space-time stretched pulseを用いた時空間インパルス応答測定法,” in 日本音響学会春季研究発表会講演論文集, Mar. 2014, pp. 899-902.
    @inproceedings{Koyama:ASJ2014S,
    author = {小山 翔一 and Prakhar Srivastava and 古家 賢一 and 島内 末廣 and 大室 仲},
    title = {{STSP}: Space-time Stretched Pulseを用いた時空間インパルス応答測定法},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {2-P4-10},
    pages = {899--902},
    year = {2014},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 古家 賢一, 日和崎 祐介, and 羽田 陽一, “音源位置事前情報を用いた音圧-駆動信号変換に基づく音場再現,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2013, pp. 679-682.
    @inproceedings{Koyama:ASJ2013A,
    author = {小山 翔一 and 古家 賢一 and 日和崎 祐介 and 羽田 陽一},
    title = {音源位置事前情報を用いた音圧-駆動信号変換に基づく音場再現},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3-1-2},
    pages = {679--682},
    year = {2013},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • トレビーニョ ホルヘ, 小山 翔一, 坂本 修一, and 鈴木 陽一, “3D cylindrical ambosonics: encoding sound field information using the cylindrical harmonic functions,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2013, pp. 723-726.
    @inproceedings{Trevino:ASJ2013A,
    author = {トレビーニョ ホルヘ and 小山 翔一 and 坂本 修一 and 鈴木 陽一},
    title = {{3D} Cylindrical Ambosonics: Encoding Sound Field Information Using the Cylindrical Harmonic Functions},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {1-Q-16},
    pages = {723--726},
    year = {2013},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {en}
    }

  • 羽田 陽一, 古家 賢一, 小山 翔一, and 丹羽 健太, “球面調和関数展開による音圧内挿を用いた超接話マイクロホンアレイ,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2013, pp. 611-612.
    @inproceedings{Haneda:ASJ2013A,
    author = {羽田 陽一 and 古家 賢一 and 小山 翔一 and 丹羽 健太},
    title = {球面調和関数展開による音圧内挿を用いた超接話マイクロホンアレイ},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {1-1-15},
    pages = {611--612},
    year = {2013},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 高田 英明, 伊達 宗和, 小山 翔一, 小澤 史朗, 三枝 知史, and 小島 明, “3D 映像音響システムによる遠隔地間の空間共有,” in 3次元画像コンファレンス講演論文集, Jul. 2013, pp. 89-92.
    @inproceedings{Takada:3DImgConf2013,
    author = {高田 英明 and 伊達 宗和 and 小山 翔一 and 小澤 史朗 and 三枝 知史 and 小島 明},
    title = {{3D} 映像音響システムによる遠隔地間の空間共有},
    booktitle = {3次元画像コンファレンス講演論文集},
    number = {P-6},
    pages = {89--92},
    month = {Jul.},
    year = {2013},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, T. Lee, 古家 賢一, 日和崎 祐介, and 羽田 陽一, “円調和ビームフォーミングによる波面再構成フィルタの残響環境下性能改善,” in 日本音響学会春季研究発表会講演論文集, Mar. 2013, pp. 861-862.
    @inproceedings{Koyama:ASJ2013S_2,
    author = {小山 翔一 and Timothy Lee and 古家 賢一 and 日和崎 祐介 and 羽田 陽一},
    title = {円調和ビームフォーミングによる波面再構成フィルタの残響環境下性能改善},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {1-P-19},
    pages = {861--862},
    year = {2013},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 古家 賢一, 日和崎 祐介, and 羽田 陽一, “球・円状マイクロホン・スピーカアレイのための波面再構成フィルタ,” in 日本音響学会春季研究発表会講演論文集, Mar. 2013, pp. 679-682.
    @inproceedings{Koyama:ASJ2013S_1,
    author = {小山 翔一 and 古家 賢一 and 日和崎 祐介 and 羽田 陽一},
    title = {球・円状マイクロホン・スピーカアレイのための波面再構成フィルタ},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {1-10-5},
    pages = {679--682},
    year = {2013},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • トレビーニョ ホルヘ, 小山 翔一, 坂本 修一, and 鈴木 陽一, “Scalable encoding of sound field recordings made with cylindrical microphone arrays,” in 日本音響学会春季研究発表会講演論文集, Mar. 2013, pp. 957-960.
    @inproceedings{Trevino:ASJ2013S,
    author = {トレビーニョ ホルヘ and 小山 翔一 and 坂本 修一 and 鈴木 陽一},
    title = {Scalable Encoding of Sound Field Recordings Made With Cylindrical Microphone Arrays},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {2-Q-36},
    pages = {957--960},
    year = {2013},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {en}
    }

  • 小山 翔一, 古家 賢一, 日和崎 祐介, 羽田 陽一, and 鈴木 陽一, “円筒状マイクロホン・スピーカアレーのための波面再構成フィルタ,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2012, pp. 605-608.
    @inproceedings{Koyama:ASJ2012A,
    author = {小山 翔一 and 古家 賢一 and 日和崎 祐介 and 羽田 陽一 and 鈴木 陽一},
    title = {円筒状マイクロホン・スピーカアレーのための波面再構成フィルタ},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {1-9-13},
    pages = {605--608},
    year = {2012},
    month = {Sep.},
    category = {Domestic Conferences}
    }

  • 江村 暁, 小山 翔一, 古家 賢一, and 羽田 陽一, “波数領域における残留エコー消去法,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2012, pp. 667-668.
    @inproceedings{Emura:ASJ2012A,
    author = {江村 暁 and 小山 翔一 and 古家 賢一 and 羽田 陽一},
    title = {波数領域における残留エコー消去法},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3-4-4},
    pages = {667--668},
    year = {2012},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 古家 賢一, 日和崎 祐介, and 羽田 陽一, “スピーカ指向性を考慮した時空間周波数領域での音場再現フィルタ設計手法,” in 日本音響学会春季研究発表会講演論文集, Mar. 2012, pp. 913-914.
    @inproceedings{Koyama:ASJ2012S,
    author = {小山 翔一 and 古家 賢一 and 日和崎 祐介 and 羽田 陽一},
    title = {スピーカ指向性を考慮した時空間周波数領域での音場再現フィルタ設計手法},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {2-Q-6},
    pages = {913--914},
    year = {2012},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 古家 賢一, 日和崎 祐介, and 羽田 陽一, “音場収音・再現のための時空間周波数領域信号変換,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2011, pp. 635-636.
    @inproceedings{Koyama:ASJ2011A_1,
    author = {小山 翔一 and 古家 賢一 and 日和崎 祐介 and 羽田 陽一},
    title = {音場収音・再現のための時空間周波数領域信号変換},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {2-4-1},
    pages = {635--636},
    year = {2011},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 古家 賢一, 日和崎 祐介, and 羽田 陽一, “時空間スペクトルの位相シフトによる音場再現位置の制御,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2011, pp. 637-638.
    @inproceedings{Koyama:ASJ2011A_2,
    author = {小山 翔一 and 古家 賢一 and 日和崎 祐介 and 羽田 陽一},
    title = {時空間スペクトルの位相シフトによる音場再現位置の制御},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {2-4-2},
    pages = {637--638},
    year = {2011},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 日和崎 祐介, 古家 賢一, and 羽田 陽一, “角度スペクトル微分を用いた波面合成法の実音場評価,” in 日本音響学会春季研究発表会講演論文集, Mar. 2011, pp. 741-742.  [日本音響学会, 粟屋潔 学術奨励賞]
    @inproceedings{Koyama:ASJ2011S,
    author = {小山 翔一 and 日和崎 祐介 and 古家 賢一 and 羽田 陽一},
    title = {角度スペクトル微分を用いた波面合成法の実音場評価},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3-9-6},
    pages = {741--742},
    year = {2011},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja},
    award_ja = {日本音響学会, 粟屋潔 学術奨励賞}
    }

  • 小山 翔一, 日和崎 祐介, 古家 賢一, and 羽田 陽一, “角度スペクトル微分による音圧勾配取得に基づく波面合成法,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2010, pp. 555-556.
    @inproceedings{Koyama:ASJ2010A_1,
    author = {小山 翔一 and 日和崎 祐介 and 古家 賢一 and 羽田 陽一},
    title = {角度スペクトル微分による音圧勾配取得に基づく波面合成法},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {1-10-9},
    pages = {555--556},
    year = {2010},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 日和崎 祐介, 古家 賢一, and 羽田 陽一, “逆伝播演算による波面合成位置の操作,” in 日本音響学会秋季研究発表会講演論文集, Sep. 2010, pp. 751-752.
    @inproceedings{Koyama:ASJ2010A_2,
    author = {小山 翔一 and 日和崎 祐介 and 古家 賢一 and 羽田 陽一},
    title = {逆伝播演算による波面合成位置の操作},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {3-Q-6},
    pages = {751--752},
    year = {2010},
    month = {Sep.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 阪内 澄宇, 古家 賢一, 小山 翔一, and 羽田 陽一, “高臨場遠隔通信のためのサウンドウォールシステム,” in 日本音響学会春季研究発表会講演論文集, Mar. 2010, pp. 935-936.
    @inproceedings{Sakauchi:ASJ2010S,
    author = {阪内 澄宇 and 古家 賢一 and 小山 翔一 and 羽田 陽一},
    title = {高臨場遠隔通信のためのサウンドウォールシステム},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3-P-30},
    pages = {935--936},
    year = {2010},
    month = {Mar.},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 栗原 徹, and 安藤 繁, “偏微分方程式の空間荷重積分による波源定位の直接解法,” in 計測自動制御学会 第25回センシングフォーラム資料, 2009, pp. 25-29. [LINK]  [計測自動制御学会, 計測部門 研究技術奨励賞]
    @inproceedings{Koyama:SensForum2009,
    author = {小山 翔一 and 栗原 徹 and 安藤 繁},
    title = {偏微分方程式の空間荷重積分による波源定位の直接解法},
    booktitle = {計測自動制御学会 第25回センシングフォーラム資料},
    pages = {25--29},
    year = {2009},
    category = {Domestic Conferences},
    url = {http://ci.nii.ac.jp/naid/40016312019/},
    lang = {ja},
    award_ja = {計測自動制御学会, 計測部門 研究技術奨励賞}
    }

  • 小山 翔一, 栗原 徹, and 安藤 繁, “空間荷重積分による瞬時波源定位と残響の時空間分解シミュレーション,” in 電気学会全国大会講演論文集 [3], 2009, p. 206.
    @inproceedings{Koyama:IEEJ2009,
    author = {小山 翔一 and 栗原 徹 and 安藤 繁},
    title = {空間荷重積分による瞬時波源定位と残響の時空間分解シミュレーション},
    booktitle = {電気学会全国大会講演論文集 [3]},
    pages = {206},
    year = {2009},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • S. Koyama, T. Kurihara, and S. Ando, “Instantaneous method of wave source localization based on weighted integral of partial differential equation,” in Proceedings of IEEJ the 25th sensor symposium, 2008, pp. 667-670.
    @inproceedings{Koyama:SensorSymp2008,
    author = {Shoichi Koyama and Toru Kurihara and Shigeru Ando},
    title = {Instantaneous Method of Wave Source Localization Based on Weighted Integral of Partial Differential Equation},
    booktitle = {Proceedings of {IEEJ} the 25th Sensor Symposium},
    pages = {667--670},
    year = {2008},
    category = {Domestic Conferences},
    lang = {en}
    }

  • 小山 翔一, 栗原 徹, and 安藤 繁, “空間積分型音源恒等式による瞬時音源定位,” in 日本音響学会春季研究発表会講演論文集, 2008, pp. 711-714.
    @inproceedings{Koyama:ASJ2008S,
    author = {小山 翔一 and 栗原 徹 and 安藤 繁},
    title = {空間積分型音源恒等式による瞬時音源定位},
    booktitle = {日本音響学会春季研究発表会講演論文集},
    number = {3-6-3},
    pages = {711--714},
    year = {2008},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 栗原 徹, and 安藤 繁, “偏微分方程式の空間荷重積分による瞬時音源定位,” in 日本音響学会秋季研究発表会講演論文集, 2008, pp. 679-682.
    @inproceedings{Koyama:ASJ2008A,
    author = {小山 翔一 and 栗原 徹 and 安藤 繁},
    title = {偏微分方程式の空間荷重積分による瞬時音源定位},
    booktitle = {日本音響学会秋季研究発表会講演論文集},
    number = {2-8-20},
    pages = {679--682},
    year = {2008},
    category = {Domestic Conferences},
    lang = {ja}
    }

  • 小山 翔一, 栗原 徹, and 安藤 繁, “偏微分方程式の空間荷重積分による波源定位の直接解法: 理論とシミュレーション,” in 電子情報通信学会技術研究報告. SIP, 信号処理, 2008, pp. 37-42. [LINK]
    @inproceedings{Koyama:IEICE_TR_EA2008-12,
    author = {小山 翔一 and 栗原 徹 and 安藤 繁},
    title = {偏微分方程式の空間荷重積分による波源定位の直接解法: 理論とシミュレーション},
    booktitle = {電子情報通信学会技術研究報告. {SIP}, 信号処理},
    volume = {108},
    number = {70},
    pages = {37--42},
    year = {2008},
    category = {Domestic Conferences},
    url = {http://ci.nii.ac.jp/naid/110006825141/},
    lang = {ja}
    }

  • 小山 翔一, 安藤 繁, 小野 順貴, and 池内 直樹, ““fishbone” 音響センサを用いるオンセンサ異常音抽出と無線伝送,” in 計測自動制御学会 第24回センシングフォーラム資料, 2007, pp. 377-382. [LINK]
    @inproceedings{Koyama:SensForum2007,
    author = {小山 翔一 and 安藤 繁 and 小野 順貴 and 池内 直樹},
    title = {``Fishbone'' 音響センサを用いるオンセンサ異常音抽出と無線伝送},
    booktitle = {計測自動制御学会 第24回センシングフォーラム資料},
    pages = {377--382},
    year = {2007},
    category = {Domestic Conferences},
    url = {http://ci.nii.ac.jp/naid/40015742516/},
    lang = {ja}
    }

  • S. Koyama, S. Ando, N. Ono, and N. Ikeuchi, “On-sensor abnormal signal detection and wireless transfer using “fishbone” acoustic sensor,” in Proceedings of IEEJ the 24th sensor symposium, 2007, pp. 51-54.
    @inproceedings{Koyama:SensorSymp2007,
    author = {Shoichi Koyama and Shigeru Ando and Nobutaka Ono and Naoki Ikeuchi},
    title = {On-Sensor Abnormal Signal Detection and Wireless Transfer Using ``Fishbone'' Acoustic Sensor},
    booktitle = {Proceedings of {IEEJ} the 24th Sensor Symposium},
    pages = {51--54},
    year = {2007},
    category = {Domestic Conferences},
    lang = {en}
    }

学位論文

  • S. Koyama, “Boundary integral approach to sound field transform and reproduction,” PhD Thesis, Graduate School of Information Science and Technology, the University of Tokyo, 2014. [LINK] [PDF]
    @phdthesis{Koyama:phd,
    author = {Shoichi Koyama},
    title = {Boundary Integral Approach to Sound Field Transform and Reproduction},
    school = {Graduate School of Information Science and Technology, the University of Tokyo},
    year = {2014},
    pdf = {http://www.sp.ipc.i.u-tokyo.ac.jp/wp-content/papercite-data/koyama/koyama-phd.pdf},
    url = {http://hdl.handle.net/2261/58477},
    category = {Dissertation},
    lang = {en}
    }

  • 小山 翔一, “荷重積分法に基づく波源定位の直接代数法に関する研究,” Master’s Thesis, 東京大学大学院 情報理工学系研究科, 2009.
    @mastersthesis{Koyama:master,
    author = {小山 翔一},
    title = {荷重積分法に基づく波源定位の直接代数法に関する研究},
    school = {東京大学大学院 情報理工学系研究科},
    year = {2009},
    category = {Dissertation},
    lang = {ja}
    }