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Just Noticeable Difference in Apparent Source Width Depending on the Direction of a Single Reflection

Johnson, Dale and Lee, Hyunkook (2017) Just Noticeable Difference in Apparent Source Width Depending on the Direction of a Single Reflection. In: AES 142nd International Conference, 20th-23rd May 2017, Berlin, DE.

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Abstract

An investigation on the just noticeable difference in angle of a single reflection in terms of apparent source width was performed using a staircase method to obtain two, single reflection angles between 0° and 180°. In the presence of a direct sound, subjects compared the apparent source width produced by a single 90° reference reflection, and a single test reflection ranging between 0° to 90° and 0° to 180° for each threshold. Subjects repeated this test for four delay times of 5 ms, 10 ms, 20 ms, and 30 ms. Reflection angles were found to be approximately 40° and 130° and, however, do not appear to vary with delay time. This implies that human hearing is not sensitive to changes in reflection angle in terms of apparent source width between the threshold angles.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > T Technology (General)
Schools: School of Computing and Engineering > Music Technology and Production Research Group
School of Computing and Engineering
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Depositing User: Hyunkook Lee
Date Deposited: 28 Jun 2017 13:39
Last Modified: 28 Jun 2017 13:39
URI: http://eprints.hud.ac.uk/id/eprint/32313

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