In our previous study, we verified that a set of head-related transfer functions (HRTFs) can simultaneously be estimated by treating it as a multi-input single-output (MISO) system. However, this leads to a lack of accuracy if appropriate input signals are not chosen and high computational cost is required to estimate. To improve the accuracy, a novel input design method is proposed. Moreover, we also propose a system identifiation method that reduces the space complexity even when the number of measuring directions increases. The effectiveness of the proposed methods was demonstrated through simultaneous estimation experiments of HRTFs.

Authors: Kanai, Sekitoshi; Matsui, Kentaro; Nakayama, Yasushige; Adachi, Shuichi
Affiliations: Keio University, Yokohama-shi, Kanagawa, Japan; NHK Science & Technology Research Laboratories, Setagaya, Tokyo, Japan(See document for exact affiliation information.)
AES Convention: 137 (October 2014) Paper Number: 9152
Publication Date: October 8, 2014
Subject: Spatial Audio

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