Evaluation of the Starting Point of the Lombard Effect

被引：48

作者：

Bottalico, Pasquale ^{[1
]}

Passione, Ivano Ipsaro ^{[1
]}

Graetzer, Simone ^{[1
]}

Hunter, Eric J. ^{[1
]}

机构：

[1] Michigan State Univ, Dept Communicat Sci & Disorders, Voice Biomech & Acoust Lab, E Lansing, MI 48824 USA

来源：

ACTA ACUSTICA UNITED WITH ACUSTICA | 2017年 / 103卷 / 01期

关键词：

DIRECT SPEECH-COMMUNICATION; ENVIRONMENTAL NOISE; LOUD SPEECH; LEVEL;

D O I：

10.3813/AAA.919043

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Speakers increase their vocal effort when their communication is disturbed by noise. This adaptation is termed the Lombard effect. The aim of the present study was to determine whether this effect has a starting point. Hence, the effects of noise at levels between 20 and 65 dB(A) on vocal effort (quantified by sound pressure level) and on both perceived noise disturbance and perceived vocal discomfort were evaluated. Results indicate that there is a Lombard effect change-point at a background noise level (Ln) of 43.3 dB(A). This change-point is anticipated by noise disturbance, and is followed by a high magnitude of vocal discomfort.

引用

页码：169 / 172

页数：4

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