DSP implementation of low computational 3D sound localization algorithm

被引：1
|
作者：
Sakamoto, N [1 ]
Kobayashi, W [1 ]
Onoye, T [1 ]
Shirakawa, I [1 ]
机构：
[1] Osaka Univ, Dept Informat Syst & Engn, Suita, Osaka 5650871, Japan
来源：
SIPS 2001: IEEE WORKSHOP ON SIGNAL PROCESSING SYSTEMS: DESIGN AND IMPLEMENTATION | 2001年
关键词：
D O I：
10.1109/SIPS.2001.957336
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper describes a DSP implementation of a realtime 3D sound localization algorithm. A distinctive feature of this implementation is that the audible frequency band is divided into three on the basis of the analysis of the effects of sound diffraction, such that in these three subbands specific schemes of the 3D sound localization are devised with the use of an IIR filter, three parametric equalizers, and a comb filter, respectively, so as to be run realtime on a 16-bit fixed-point DSP at a low frequency of 50 MHz, maintaining the high-quality sound localization. As a result, this 3D sound localization scheme can be applied to mobile applications such as headphones and a handy-phone with the use of an embedded DSP.
引用
收藏
页码：109 / 116
页数：8
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