个性化与非个性化双耳房间脉冲响应的可听化差异

华南理工大学学报（自然科学版） ›› 2008, Vol. 36 ›› Issue (8): 123-127.

个性化与非个性化双耳房间脉冲响应的可听化差异

饶丹¹吴硕贤²

1. 华南理工大学理学院, 广东广州 510640； 2. 华南理工大学亚热带建筑科学国家重点实验室, 广东广州 510640

收稿日期:2008-02-26 修回日期:2008-05-06 出版日期:2008-08-25 发布日期:2008-08-25
通信作者: 饶丹（1973-），男，讲师，主要从事虚拟听觉与建筑声学研究． E-mail:phdrao@scut．edu．cn
作者简介:饶丹（1973-），男，讲师，主要从事虚拟听觉与建筑声学研究．
基金资助:
国家自然科学基金资助项目（10774049）

Auralization Differences Between Individualized and Non-Individualized Binaural Room Impulse Responses

Rao dan¹ Wu Shuo-xian²

1. School of Science, South China University of Technology, Guangzhou 510640, Guangdong, China;2. State Key Laboratory of Subtropical Building Science, South China University of Technology, Guangzhou 510640, Guangdong, China

Received:2008-02-26 Revised:2008-05-06 Online:2008-08-25 Published:2008-08-25
Contact: 饶丹（1973-），男，讲师，主要从事虚拟听觉与建筑声学研究． E-mail:phdrao@scut．edu．cn
About author:饶丹（1973-），男，讲师，主要从事虚拟听觉与建筑声学研究．
Supported by:
国家自然科学基金资助项目（10774049）

摘要/Abstract

摘要： 通过听音试验比较个性化和典型非个性化（KEMAR人工头）双耳房间脉冲响应（BRIR）在可听化质量上的差异，以探讨该差异能否被感知．首先在多媒体教室内测得6名真人受试者和一个KEMAR人工头的BRIR，并与多种声音素材卷积得到双耳试验信号．然后，采用ABX主观比较方法对由受试者本人BRIR和KEMAR人工头BRIR分别合成的双耳信号进行试听比较．试验结果表明，受试者主要通过音色辨别两者的差异，4种试验信号的平均辨别正确率达到93％．这说明，个性化与非个性化BRIR的可听化差异是可被感知的．

关键词: 个性化, 非个性化, 双耳房间脉冲响应, 可听化, 听音试验

Abstract:

A listening test was performed to compare the auralization quality between the individualized and the typical non-individualized （for KEMAR manikin） binaural room impulse responses （BRIRs）, with the aim of exploring whether the differences were audible. In the test, the BRIRs of six subjects and a KEMAR manikin were measured in a multimedia classroom. Then, the results were convoluted with various anechoic sound materials. Moreover, the binaural signals synthesized by the own BRIRs of the subjects were compared with those synthesized by the BRIRs of the KEMAR manikin via an ABX test. Experimental results indicate that the subjects mainly use the tone color to discriminate the signal differences, with an average discrimination rate up to 93% for the four sound materials selected for the study. It is thus concluded that the auralization differences between individualized and non- individualized BRIRs are audible.

Key words: individualization, non-individualization, binaural room impulse response, auralization, listening test

饶丹吴硕贤 . 个性化与非个性化双耳房间脉冲响应的可听化差异[J]. 华南理工大学学报（自然科学版）, 2008, 36(8): 123-127.

Rao dan Wu Shuo-xian. Auralization Differences Between Individualized and Non-Individualized Binaural Room Impulse Responses[J]. Journal of South China University of Technology (Natural Science Edition), 2008, 36(8): 123-127.

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