The effects of indexical and phonetic variation on vowel perception in typically developing 9- to 12-year-old children.
The effects of indexical and phonetic variation on vowel perception in typically developing 9- to 12-year-old children.
复制标题
索引和语音变化对典型发育中的 9 至 12 岁儿童元音感知的影响。
DOI：
10.1044/2014_jslhr-s-12-0248
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发表时间：
2014
期刊：
影响因子：
--
通讯作者：
Fox,RobertAllen
中科院分区：
文献类型：
--
作者：
Jacewicz,Ewa;Fox,RobertAllen
PurposeThe purpose of this study was investigate how linguistic knowledge with indexical knowledge in大龄儿童知觉在苛刻的听力条件下所创造的广泛talker variability. Method 25名9- 12岁的儿童，12名来自北卡罗来纳州（NC）和13名来自威斯康星州（WI），在120名说话者的孤立/hVd/单词中识别出12个元音，代表2种方言（NC和WI），男女，三个年龄组（世代）来自同一地理位置的居民作为听众。结果识别率较高的反应，从同一方言的听众和女性的语言。听众是敏感的元音和他们的动态结构（共振峰运动）与世代的元音发音的声音变化在语音社区造成的差异系统的位置变化。总体识别率为71.7%，这是8.5%，低于对相同的刺激在Jacewicz和Fox（2012）.ConclusionTypically发展中的年龄较大的儿童成功地处理语音和索引的变化与说话者方言，性别和代。他们不太一致，比成年人，最有可能是因为在多个谈话者的语音和相对缺乏经验的索引变化的声学语音信息的编码效率较低。
PurposeThe purpose of this study was to investigate how linguistic knowledge interacts with indexical knowledge in older children's perception under demanding listening conditions created by extensive talker variability.MethodTwenty-five 9- to 12-year-old children, 12 from North Carolina (NC) and 13 from Wisconsin (WI), identified 12 vowels in isolated /hVd/ words produced by 120 talkers representing the 2 dialects (NC and WI), both genders, and 3 age groups (generations) of residents from the same geographic locations as the listeners.ResultsIdentification rates were higher for responses to talkers from the same dialect as the listeners and for female speech. Listeners were sensitive to systematic positional variations in vowels and their dynamic structure (formant movement) associated with generational differences in vowel pronunciation resulting from sound change in a speech community. Overall identification rate was 71.7%, which is 8.5% lower than for the adults responding to the same stimuli in Jacewicz and Fox (2012).ConclusionTypically developing older children were successful in dealing with both phonetic and indexical variation related to talker dialect, gender, and generation. They were less consistent than the adults, most likely because of less efficient encoding of acoustic-phonetic information in the speech of multiple talkers and relative inexperience with indexical variation.