文章基本信息

标题：A Spatial Audio System Using Multiple Microphones on a Rigid Sphere
本地全文：下载
作者：Lee, Tae-Jin ; Jang, Dae-Young ; Kang, Kyeong-Ok 等
期刊名称：ETRI Journal
印刷版ISSN：1225-6463
电子版ISSN：2233-7326
出版年度：2005
卷号：27
期号：2
页码：153-153
语种：English
出版社：Electronics and Telecommunications Research Institute
摘要：The main purpose of a spatial audio system is to give a listener the same impression as if he/she were present in a recorded environment. A dummy head microphone is generally used for such purposes. Because of its human-like shape, we can obtain good spatial sound images. However, its shape is a restriction on its public use and it is difficult to convert a 2-channel recording into multi-channel signals for an efficient rendering over a multi-speaker arrangement. In order to solve the problems mentioned above, a spatial audio system is proposed that uses multiple microphones on a rigid sphere. The system has five microphones placed on special points of the rigid sphere, and it generates audio signals for headphone, stereo, stereo dipole, 4-channel, and 5-channel reproduction environments. Subjective localization experiments show that front/back confusion, which is a common limitation of spatial audio systems using the dummy head microphone, can be reduced dramatically in 4-channel and 5-channel reproduction environments and can be reduced slightly in a headphone reproduction.
关键词：3D audio;sphere microphone;HRTF;dummy head microphone