Talker-specific influences on phonetic category structure.
Talker-specific influences on phonetic category structure.
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说话者特定对语音类别结构的影响。
DOI：
--
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发表时间：
2014
影响因子：
2.4
通讯作者：
Janice Lomibao
中科院分区：
文献类型：
--
作者：
Rachel M. Theodore;Emily B. Myers;Janice Lomibao
语音感知模型的主要目标是描述在声学信号和单个语音之间缺乏不变性的情况下，听者如何实现可靠的理解。例如，个体说话者在他们如何实现语音的语音属性方面是不同的。研究表明，听者通过分类处理声学变化，同时保持分级的内部类别结构，从而获得感知恒定性。此外，听者将使用词汇信息来修改类别边界，以学习解释说话者的歧义产生。目前的工作探讨知觉学习的谈话者的差异，信号定义明确，明确的类别成员。语音合成技术被用来差异化地操纵说话者的特征产品的停止清音对比两组听众。在暴露于谈话者之后，内部类别结构和类别边界被检查。结果表明，听者动态地调整内部类别结构，以与说话者的声音经验为中心，但类别边界保持不变。这些模式被观察到的话，在培训以及新的词汇项目。这些研究结果指出，输入驱动的语言结构内的功能可塑性的限制，这可能有助于解释听众如何保持稳定的语言知识，同时表现出灵活的语音表征。
A primary goal for models of speech perception is to describe how listeners achieve reliable comprehension given a lack of invariance between the acoustic signal and individual speech sounds. For example, individual talkers differ in how they implement phonetic properties of speech. Research suggests that listeners attain perceptual constancy by processing acoustic variation categorically while maintaining graded internal category structure. Moreover, listeners will use lexical information to modify category boundaries to learn to interpret a talker's ambiguous productions. The current work examines perceptual learning for talker differences that signal well-defined, unambiguous category members. Speech synthesis techniques were used to differentially manipulate talkers' characteristic productions of the stop voicing contrast for two groups of listeners. Following exposure to the talkers, internal category structure and category boundary were examined. The results showed that listeners dynamically adjusted internal category structure to be centered on experience with the talker's voice, but the category boundary remained fixed. These patterns were observed for words presented during training as well as novel lexical items. These findings point to input-driven constraints on functional plasticity within the language architecture, which may help to explain how listeners maintain stability of linguistic knowledge while simultaneously demonstrating flexibility for phonetic representations.
影响因子：
8.2
作者：
Kraljic, Tanya;Samuel, Arthur G.;Brennan, Susan E.
通讯作者：
Brennan, Susan E.
听者对说话者特定语音细节的敏感性特征。
DOI：
10.1121/1.3467771
发表时间：
2010
期刊：
The Journal of the Acoustical Society of America
影响因子：
--
作者：
Theodore,RachelM;Miller,JoanneL
通讯作者：
Miller,JoanneL