A framework for 6DoF 4pi reverberation generation using wave-based-derived virtual sound sources.

Open Access

Authors: Hara, Ryoko; Nakahara, Masataka; Omoto, Akira

Publication Date: June 2026

Type: Conference Paper

Cost: Open Access (Free to all)

Development of a 4-pi sampling reverberator, VSVerb. - Application to VR production.

Authors: Nakahara, Masataka; Nagatomo, Yasuhiko; Omoto, Akira

Affiliation: ONFUTURE Ltd, Tokyo, Japan; SONA Corporation, Tokyo, Japan; Evixar Inc., Tokyo, Japan; Kyushu University, Fukuoka, Japan

Publication Date: October 2020

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

Development of a 4-pi sampling reverberator, VSVerb. - Phase Detection.

Authors: Nakahara, Masataka; Nagatomo, Yasuhiko; Omoto, Akira

Affiliation: ONFUTURE Ltd. / SONA Corp.; Evixar Inc.; Kyushu University / ONFUTURE Ltd.

Publication Date: May 2020

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

VSV (Virtual Source Visualizer), A Practical Tool for 3D-Visualizing Acoustical Properties of Spatial Sounds

Authors: Nakahara, Masataka; Omoto, Akira; Nagatomo, Yasuhiko

Affiliation: ONFUTURE Ltd., Tokyo, Japan; Kyushu University, Fukuoka, Japan; Evixar Inc., Tokyo, Japan

Publication Date: May 2016

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

Investigation of Interchangeability of Audio Objects' Spatial Sound Direction between 3D Audio Rendering Systems and Rooms by VSV (Virtual Source Visualizer)

Authors: Mikami, Takashi; Nakahara, Masataka; Omoto, Akira

Affiliation: SONA Corpration, Tokyo, Japan; ONFUTURE Ltd./SONA Corporation, Shinagawa, Tokyo, Japan; Kyushu University / ONFUTURE Ltd., Fukuoka, Japan

Publication Date: May 2017

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

Physical Evaluations of Reproduced Sound Fields by a Measurements of Sound Intensities Using Virtual Source Visualizer

Authors: Mikami, Takashi; Nakahara, Masataka; Omoto, Akira

Affiliation: SONA Co., Tokyo, Japan; ONFUTURE Ltd., Tokyo, Japan; SONA Corp., Tokyo, Japan; Kyushu University, Fukuoka, Japan; Onfuture Ltd., Tokyo, Japan

Publication Date: October 2017

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

Development of the 4-pi Sampling Reverberator

Authors: Nakahara, Masataka; Omoto, Akira; Nagatomo, Yasuhiko

Affiliation: ONFUTURE Ltd., Tokyo, Japan; SONA Corp., Tokyo, Japan; Kyushu University, Fukuoka, Japan; Evixar Inc., Tokyo, Japan

Publication Date: May 2018

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

Development of a 4-pi Sampling Reverberator, VSVerb—Source Reduction

Authors: Nakahara, Masataka; Omoto, Akira; Nagatomo, Yasuhiko

Affiliation: ONFUTURE Ltd., Tokyo, Japan; Kyushu University, Fukuoka, Japan; Evixar Inc., Tokyo, Japan

Publication Date: October 2018

Type: Engineering Brief

Cost: Free to AES members & institutions and $33 to non-members

Virtual 3D microphone arrays by virtual sound sources detected from an FOA response.

Open Access

Authors: Nakahara, Masataka; Nagatomo, Yasuhiko; Omoto, Akira

Affiliation: ONFUTURE Ltd, Tokyo 141-0032 Japan; SONA Corporation, Tokyo 164-0013 Japan; Evixar Inc, Tokyo 104-0033 Japan; Kyushu University, Fukuoka 815-8540 Japan; ONFUTURE Ltd, Tokyo 141-0032 Japan

Publication Date: August 2023

Type: Conference Paper

Cost: Open Access (Free to all)

Generate acoustic responses of virtual microphone arrays from a single set of measured FOA responses. - Apply to multiple sound sources.

Open Access

Authors: Nakahara, Masataka; Kamekawa, Toru; Omoto, Akira

Affiliation: ONFUTURE Ltd, Tokyo 141-0032 Japan, and SONA Corporation, Tokyo 164-0013 Japan; Tokyo University of the Arts, Tokyo 120-0034 Japan; Kyushu University, Fukuoka 815-8540 Japan, and ONFUTURE Ltd, Tokyo 141-0032 Japan

Publication Date: September 2024

Type: Express Paper

Cost: Open Access (Free to all)