Relationship Between Chinese Speech Intelligibility of Elderly and Speech Transmission Index

被引：2

作者：

Peng, Jianxin ^{[1
,2
]}

Zeng, Jiazhong ^{[3
]}

Zhao, Yuezhe ^{[2
]}

机构：

[1] South China Univ Technol, Sch Phys & Optoelect, Guangzhou 510640, Guangdong, Peoples R China

[2] South China Univ Technol, State Key Lab Subtrop Bldg Sci, Guangzhou 510640, Guangdong, Peoples R China

[3] South China Univ Technol, Sch Architecture, Guangzhou 510640, Guangdong, Peoples R China

来源：

ARCHIVES OF ACOUSTICS | 2021年 / 46卷 / 02期

基金：

中国国家自然科学基金;

关键词：

speech intelligibility; speech transmission index; signal-to-noise ratio; background noise level; speech sound pressure level; reverberation time; OCTAVE-BAND WEIGHTS; REVERBERATION TIMES; HEARING; AURALIZATION; VALIDATION; CLASSROOMS; LISTENERS; NOISE; ROOMS;

D O I：

10.24425/aoa.2021.136578

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

In this paper, the relationship between Chinese speech intelligibility (CSI) scores of the elderly aged 60-69 and over 70 years old, and speech transmission index (STI) were investigated through the auralization method under different reverberation time and background noise levels (BNL, 40 dBA and 55 dBA). The results show that the CSI scores of the elderly are significantly worse than those of young adults. For the elderly over 70, the CSI scores become much lower than those of young adults. To be able to achieve the same CSI, the elderly, especially those over 70, need much higher STI and greater SNR than the young. The elderly aged 60-69 and over 70 need to improve their STI by 0.419 and 0.058 respectively under BNL 40 dBA, as well as 0.282 and 0.072 respectively under BNL 55 dBA, so as to obtain the same CSI scores as the young adults.

引用

页码：229 / 235

页数：7

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