Discrimination of speaker size from syllable phrases.
Discrimination of speaker size from syllable phrases.
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DOI：
10.1121/1.2118427
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发表时间：
2005-12
期刊：
影响因子：
--
通讯作者：
Patterson RD
中科院分区：
文献类型：
--
作者：
Ives DT;Smith DR;Patterson RD
声道的长度与说话者的大小相关，因此，语音具有关于说话者大小的信息，其形式可由听者解释。在人群中存在广泛的不同声道长度，人类能够从语音中区分说话者的大小。Smith等人[J. Acoust.美国社会117，305-318（2005）]向听者呈现元音声音，并且表明辨别说话者大小的能力超出了说话者大小的正常范围，这表明关于声道的大小和形状的信息在处理的早期阶段被自动分离。本文报道了一个扩展的大小歧视研究使用了一个更大的语音，即180辅音-元音和元音-辅音音节。尽管刺激的可变性显着增加，实际上有一个改善的歧视性能比单独的元音声音支持。元音-辅音音节的表现略好于辅音-元音音节。这些结果支持了这一假设，即有关声道长度的信息是分离在听觉处理的早期阶段。
The length of the vocal tract is correlated with speaker size and, so, speech sounds have information about the size of the speaker in a form that is interpretable by the listener. A wide range of different vocal tract lengths exist in the population and humans are able to distinguish speaker size from the speech. Smith et al. [J. Acoust. Soc. Am. 117, 305–318 (2005)] presented vowel sounds to listeners and showed that the ability to discriminate speaker size extends beyond the normal range of speaker sizes which suggests that information about the size and shape of the vocal tract is segregated automatically at an early stage in the processing. This paper reports an extension of the size discrimination research using a much larger set of speech sounds, namely, 180 consonant-vowel and vowel-consonant syllables. Despite the pronounced increase in stimulus variability, there was actually an improvement in discrimination performance over that supported by vowel sounds alone. Performance with vowel-consonant syllables was slightly better than with consonant-vowel syllables. These results support the hypothesis that information about the length of the vocal tract is segregated at an early stage in auditory processing.
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