Elementary real-time implementation of a virtual acoustic display based on ADVISE

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概要

• 論文の詳細を見る

• A new theory for high definition Virtual Acoustic Display (VAD) based on a model called the "Virtual Sphere (VS) model" is introduced in this paper. This method is named ADVISE (Acoustic Display based on the VIrtual SpherE model). In ADVISE, a sphere-shaped boundary is defined around a listener, and the sound transmission from the sound source in the original field to the entrances of the listener's ears is divided into two parts. One consists of Head-Related Transfer Functions (HRTFs) corresponding to the points on the boundary of the virtual sphere, and the other consists of Room Transfer Functions (RTFs) from the sound source to the points on the boundary. Then, these two kinds of transfer functions are convolved in real-time, taking into account the dynamic changes in these functions due to the listener's head movement. The Kirchhoff-Helmholtz boundary integral equation is the theoretical basis of this idea. This equation represents that a sound field generated by sound sources outside a certain closed boundary can be synthesized by phantom monopole and dipole sources distributed on the boundary. In this paper, the theory of ADVISE is stated, then the features of ADVISE are described.

• 社団法人日本音響学会の論文

著者

• Suzuki Yoiti

  Research Institute of Electrical Communication, Tohoku University

• Suzuki Y

  The Research Institute Of Electrical Communication Tohoku University

• Suzuki Y

  Research Institute Of Electrical Communication And Graduate School Of Information Science Tohoku Uni

• Suzuki Y

  Research Institute Of Electrical Communication Tohoku University

• Suzuki Yoiti

  Graduate School Of Information Science Tohoku University

• Suzuki Y

  Tohoku Univ. Sendai Jpn

• Takane Shouichi

  Faculty of Systems Science and Technology, Akita Prefectural University

• Takahashi Shusuke

  Research Institute of Electrical Communication and Graduate School of Information Science, Tohoku Un

• Miyajima Tohru

  Institute of Technology, Shimizu Corporation

• Suzuki Y

  Research Institute Of Electrical Communication Graduate School Of Information Sciences Tohoku Univer

• Miyajima Tohru

  Institute Of Technology Shimizu Corporation

• Miyajima Tohru

  Institute Of Technology Shimizu Corp.

• Miyajima Tohru

  Department Of Chemistry Faculty Of Science Kyushu University

• Takane S

  Department Of Electronics And Information Systems Faculty Of Systems Science And Technology Akita Pr

• Takane Shouichi

  Faculty Of Systems Science And Technology Akita Prefectural University

• Takahashi Shusuke

  Research Institute Of Electrical Communication And Graduate School Of Information Science Tohoku Uni

• Suzuki Yoiti

  Research Institute For Electrical Communication/graduate School Of Information Sciences Tohoku Unive

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