The clear speech effect for non-native listeners
The clear speech effect for non-native listeners
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DOI：
10.1121/1.1487837
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发表时间：
2002-07-01
影响因子：
2.4
通讯作者：
Bent, T
中科院分区：
文献类型：
--
作者：
Bradlow, AR;Bent, T
以前的工作已经确定，自然产生的清晰的语音是更容易理解的成年听力受损的听众和听力正常的听众在退化的听力条件下比会话语音。本研究的主要目标是调查在何种程度上自然产生的清晰的语音是一个有效的可懂度增强策略，为非母语的听众。32名非母语和32名母语听力者被要求使用自然产生的英语句子。不同的因素是说话风格（对话与清晰），信噪比（-4与-8 dB）和扬声器结果表明，虽然母语听众从自然产生的清晰语音中获得了实质性的好处，（关于关键字正确计数的大约16个RAU单位的改进），非母语听众仅表现出小的清晰语音效果（仅5个RAU单位的改善）。这种对非母语听众的相对较小的清晰语音效果被解释为清晰语音基本上是面向母语听众的事实的结果，因此只对具有丰富的目标语言声音结构经验的听众有益。(C)2002年美国声学学会。
Previous work has established that naturally produced clear speech is more intelligible than conversational speech for adult hearing-impaired listeners and normal-hearing listeners under degraded listening conditions. The major goal of the present study was to investigate the extent to which naturally produced clear speech is an effective intelligibility enhancement strategy for non-native listeners. Thirty-two non-native and 32 native listeners were presented with naturally produced English sentences. Factors that varied were speaking style (conversational versus clear), signal-to-noise ratio(-4 versus -8 dB) and talker (one male versus one female), Results showed that while native listeners derived a substantial benefit from naturally produced clear speech (an improvement of about 16 rau units on a keyword-correct count), non-native listeners exhibited only a small clear speech effect (an improvement of only 5 rau units). This relatively small clear speech effect for non-native listeners is interpreted as a consequence of the fact that clear speech is essentially native-listener oriented, and therefore is only beneficial to listeners with extensive experience with the sound structure of the target language. (C) 2002 Acoustical Society of America.