Articulation and representation of second language speech sounds

第二语言语音的发音和表达

基本信息

  • 批准号:
    2104619
  • 负责人:
  • 金额:
    $ 13.8万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Fellowship Award
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-09-01 至 2024-09-30
  • 项目状态:
    已结题

项目摘要

This award was provided as part of NSF's Social, Behavioral and Economic Sciences Postdoctoral Research Fellowships (SPRF) program. The goal of the SPRF program is to prepare promising, early career doctoral-level scientists for scientific careers in academia, industry or private sector, and government. SPRF awards involve two years of training under the sponsorship of established scientists and encourage Postdoctoral Fellows to perform independent research. NSF seeks to promote the participation of scientists from all segments of the scientific community, including those from underrepresented groups, in its research programs and activities; the postdoctoral period is considered to be an important level of professional development in attaining this goal. Each Postdoctoral Fellow must address important scientific questions that advance their respective disciplinary fields. Under the sponsorship of Dr. Jeff Mielke at North Carolina State University, this postdoctoral fellowship award supports an early career scientist examining how second language learners articulate second language speech sounds. Specifically, these studies examine whether speakers produce second language speech sounds the same as their first language speech sounds, and whether learners’ production strategies differ depending on the nature of the speech sounds. As such, this research uses ultrasound, acoustic, and perception data of second language speech to look at the nature of category transfer of both consonants and vowels, in an effort to describe the acoustic and articulatory targets of speech sounds. More research about second language pronunciation is vital to improve pedagogical practices related to using technology in pronunciation instruction (specifically ultrasound and acoustic technologies), and this research provides information about acoustic, articulatory, and perceptual milestones for the acquisition of non-native sound contrasts.A difficulty for defining the representation of speech sounds arises from the different phonetic nature of consonants and vowels. Consonants are definable by their constriction location and constriction degree, and thus gestural models are well-suited to explaining phonological processes involving consonants. Vowels, on the other hand, are produced with a relatively open vocal tract compared to consonants, and are therefore less easily definable by their articulatory targets. The experiments included in this project compare hypotheses of gestural and acoustic models of L2 category formation. The first two experiments use acoustic, ultrasound, and perception data to examine how L1 English speakers produce and perceive L2 Mandarin fricatives and vowels compared to L1 fricatives and vowels. The second two experiments examine how L1 English speakers produce and perceive L2 Korean fricatives and vowels compared to L1 fricatives and vowels, again using acoustic, ultrasound, and perception data. Learners in beginning, early-intermediate, and late-intermediate learning stages are recorded. These experiments contribute to theories of L2 category formation, which importantly have implications about the cognitive representation of consonants and vowels.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该奖项是作为NSF的社会,行为和经济科学博士后研究奖学金(SPRF)计划的一部分提供的。SPRF计划的目标是为学术界,工业或私营部门和政府的科学事业准备有前途的早期职业博士级科学家。SPRF的奖励包括在知名科学家的赞助下进行两年的培训,并鼓励博士后研究员进行独立研究。NSF致力于促进来自科学界各部门的科学家,包括来自代表性不足的群体的科学家参与其研究计划和活动;博士后期间被认为是实现这一目标的专业发展的重要水平。每个博士后研究员必须解决推进各自学科领域的重要科学问题。在北卡罗来纳州州立大学的Jeff Mielke博士的赞助下,该博士后奖学金支持早期职业科学家研究第二语言学习者如何表达第二语言语音。具体来说,这些研究考察了说话者是否产生与第一语言语音相同的第二语言语音,以及学习者的产生策略是否因语音的性质而异。因此,本研究使用超声波,声学和第二语言语音的感知数据来研究辅音和元音的类别迁移的性质,以描述语音的声学和发音目标。更多的关于第二语言发音的研究对于改善与发音教学技术(特别是超声和声学技术)相关的教学实践至关重要,这项研究为获得非母语声音对比度提供了声学、发音和感知里程碑的信息。辅音是由它们的收缩位置和收缩程度来定义的,因此手势模型非常适合解释涉及辅音的语音过程。另一方面,与辅音相比,元音是由相对开放的声道产生的,因此不太容易通过其发音目标来定义。本项目中的实验比较了L2类别形成的手势模型和声学模型的假设。前两个实验使用声学,超声波和感知数据来研究如何L1英语说话者产生和感知L2普通话摩擦音和元音相比,L1摩擦音和元音。后两个实验研究如何L1英语扬声器生产和感知L2韩国摩擦音和元音相比,L1摩擦音和元音,再次使用声学,超声波和感知数据。学习者在开始,早期-中级和后期-中级学习阶段被记录。这些实验对L2范畴形成理论做出了贡献,而这些理论对辅音和元音的认知表征具有重要意义。该奖项反映了NSF的法定使命,并被认为值得通过使用基金会的智力价值和更广泛的影响审查标准进行评估来支持。

项目成果

期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
SECOND LANGUAGE LEARNERS’ ACQUISITION OF MANDARIN FRICATIVE CONTRASTS: AN ULTRASOUND STUDY
第二语言学习者习得普通话摩擦音对比:超声波研究
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Madeleine Oakley其他文献

A typological survey of the phonological behavior of implosives: Implications for feature theories
内爆音的语音行为的类型学调查:对特征理论的启示
  • DOI:
    10.3765/pda.v5art7.55
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Hannah Sande;Madeleine Oakley
  • 通讯作者:
    Madeleine Oakley

Madeleine Oakley的其他文献

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