Synthesized speech intelligibility and persuasion: Speech rate and non-native listeners

被引：19
|
作者：
Jones, Caroline [1 ]
Berry, Lynn
Stevens, Catherine
机构：
[1] Univ New S Wales, Sch Educ, Sydney, NSW 2052, Australia
[2] Univ Western Sydney, MARCS Auditory Labs, Sydney, NSW, Australia
来源：
COMPUTER SPEECH AND LANGUAGE | 2007年 / 21卷 / 04期
关键词：
synthetic speech; comprehension; second language; intelligibility; persuasion;
D O I：
10.1016/j.csl.2007.03.001
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This experiment assessed the effect of variation in speech rate on comprehension and persuasiveness of a message presented in text-to-speech (TTS) synthesis to native and non-native listeners. Eighty non-native speakers of English and 80 native speakers of Australian English were randomly assigned to listen to eight banking product descriptions under one of four conditions: normal rate (155 words per minute) with no background noise, normal rate with multi-talker background noise (+6 dB SNR), fast-normal (178 words per minute) with no background noise, and fast-normal with multi-talker background noise. Participants completed comprehension tests and rated each product's usefulness. A faster rate lowers comprehension for both native and non-native listeners but does not influence the persuasiveness of the message. The findings have implications for the selection of speech rates for persuasive messages delivered to native and non-native listeners using TTS. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：641 / 651
页数：11
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