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A Study on Lateral Sound Localization with 3/2 Loudspeaker Arrangement
Yutaka WATANABE Haruhide HOKARI Shoji SHIMADA
A - Abstracts of IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences (Japanese Edition)
Publication Date: 2006/12/01
Online ISSN: 1881-0195
Print ISSN: 0913-5707
Type of Manuscript: LETTER
lateral localization, 2-channel loudspeaker reproduction, interaural level difference, interaural time difference, interchannel level difference, interchannel time difference,
Full Text(in Japanese): PDF(1MB)
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The purpose of this study is to find out the possibility of sound image localization between two loudspeakers for the lateral side of the 3/2 system. We obtained the Interchannel Level Difference (IcLD) and Interchannel Time Difference (IcTD) based on the conditions that the Interaural Level Difference (IaLD) and Interaural Time Difference (IaTD) in the two loudspeaker case were the same as those in a single loudspeaker case. Finally, a listening test confirming sound image localization was implemented employing the values of IcLD and IcTD. The results clarified that sound image localization was controllable up to 70 deg. as the right channel surround loudspeaker location under the condition that the right channel loudspeaker was fixed at 30 deg.