Individual HRTF Measurements for Accurate Obstacle Sonification in an Electronic Travel Aid for The Blind

被引：6
|
作者：
Pec, Michal [1 ]
Bujacz, Michal [1 ]
Strumillo, Pawel [1 ]
Materka, Andrzej [1 ]
机构：
[1] Tech Univ Lodz, Inst Elect, PL-90924 Lodz, Poland
来源：
ICSES 2008 INTERNATIONAL CONFERENCE ON SIGNALS AND ELECTRONIC SYSTEMS, CONFERENCE PROCEEDINGS | 2008年
关键词：
HRTF; Travel Aid; blindness; sonification;
D O I：
10.1109/ICSES.2008.4673402
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The article presents a study of virtual sound source localization errors with the use of personalized head related transfer functions (HRTFs) in light of design of an electronic travel aid for the blind. The proposed device for aiding visually disabled individuals in independent mobility requires presentation of spatial sounds, which lead to the need to construct a system for efficient individual HRTF measurement. Measurements were performed for 15 sighted and blind individuals. Verification trials limited to the frontal hemisphere have shown that the localization of virtual sound sources can be performed with accuracy reaching average errors of 6.36 degrees in azimuth and 9.47 degrees in elevation.
引用
收藏
页码：235 / 238
页数：4
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