イケダ ユウスケ   IKEDA Yusuke
  池田 雄介
   所属   東京電機大学大学院  未来科学研究科 情報メディア学専攻
   職種   助教(A)
発表年月日 2019/09/09
発表テーマ Pressure-matching-based 2D sound field synthesis with equivalent source array
会議名 23rd International Congress on Acoustics(ICA2019)
学会区分 国際学会
発表形式 ポスター
単独共同区分 共同
発表者・共同発表者 Izumi Tsunokuni, Kurokawa Kakeru and Yusuke Ikeda
概要 Pressure-matching(PM) method is one of well-known effective methods for physical sound field synthesis using a massive loudspeaker array. In the PM method, all transfer functions between loudspeakers and matching points have to be measured so as to control the sound pressure at each corresponding matching point. In this paper, we proposed an efficient method of local sound field synthesis with pressure matching. By sparse optimization, each set of equivalent sources of a loudspeaker is selected from a dictionary of mono-pole sources placed near each loudspeaker based on a small number of transfer functions.The driving functions of loudspeakers can be derived from transfer functions between numerous virtual matching points and all equivalent sources. To evaluate our proposed method, two-dimensional simulation experiments areconducted.
2701-2707