Reduction of Number of Inverse Filters for Boundary Surface Control

Authors: Kashiwazaki, Hiroshi; Omoto, Akira

Affiliation: Kyushu University

Publication Date: July 2018

Type: Conference Paper

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

Room Acoustic Design for Small Multichannel Studios

Authors: Nakahara, Masataka; Omoto, Akira

Affiliation: SONA Corporation, Tokyo, Japan / Department of Acoustic Design, Kyushu Institute of Design, Fukuoka, Japan ; Department of Acoustic Design, Kyushu Institute of Design, Fukuoka, Japan

Publication Date: June 2003

Type: Conference Paper

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

Sound Field Equalization by Active Acoustic Impedance Control

Authors: Hagio, Jyunji; Kakiuchi, Akihiro; Omoto, Akira

Affiliation: Kyushu University, Minami-ku, Fukuoka, Japan; Currently with NHK, Tokyo, Japan

Publication Date: October 2010

Type: Conference Paper

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

Development of a 4-pi Sampling Reverberator, VSVerb-Application to In-Game Sounds

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: March 2019

Type: Engineering Brief

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

Generate 4pi SBA reverberation from virtual sound sources detected from x-y-z sound intensities. -Improvement of the source detection method

Open Access

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

Affiliation: ONFUTURE Ltd, SONA Corporation; Evixar Inc; Kyushu University, ONFUTURE Ltd

Publication Date: May 2026

Type: Express Paper

Cost: Open Access (Free to all)

Accurate Extraction of Dominant Reflections from Measured Sound Intensity Responses in a Room

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

Affiliation: ONFUTURE Ltd./SONA Corporation, Shinagawa, Tokyo, Japan; Evixar Inc., 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

A Simple Evaluating Method of a Reproduced Sound Field by a Measurement of Sound Intensities Using Virtual Source Visualizer

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

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

Publication Date: October 2017

Type: Engineering Brief

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

Creation of Immersive-Sound Content by Utilizing Sound Intensity Measurement. Part 1, Generating a 4-pi Reverberation

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

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

Publication Date: July 2018

Type: Conference Paper

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

Immersive recording using a virtual microphone array generated from an FOA response.

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: June 2024

Type: Express Paper

Cost: Open Access (Free to all)

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)