X RAY MICROBEAM SPEECH PRODUCTION DATABASE

描述（改编自研究者摘要）：既往研究 与言语产生相关的运动的研究一直被 研究小扬声器样本，基本上假设个人 运动模式的差异可以忽略不计。 但这 假设与已发表的证据不一致。 的广泛目标 这个项目是进行详细的定量，统计好- 对一个独特的、公共领域的、大样本的演讲进行了分析 包含点参数化表示的生产数据库 舌，唇，下颌运动，从大学记录 威斯康星州X射线微束系统的同步， 声学声压波 来自57名正常说话者的数据为 代表，为丰富，统一的库存的话语和口头运动 任务，所有这些都根据一个共同的运动学框架来描述。 结果 这些分析将用于评估一般假设， 说话人在动作的种类和形式上有很大的不同 用于产生感知上等同的言语行为。 具体目标 包括编写发言人简介， 改变语速、清晰度和 强调，辅以信息定义声道大小和 多变量时间序列方法的发展 描述了发音协调的模式， 不同的语境;以及，对说话者之间的变异性的描述： 运动模式的选择，其声学效果在理论上是 一模一样 提高了人们对各种疾病的范围和分布的认识， 正常人之间的言语产生策略应该被证明是有用的， 开发改进的语言治疗方案，并实现新的 理解语言障碍的基础，如口吃和 构音障碍

DESCRIPTION (Adapted from the Investigator's Abstract): Past research on movements associated with speech production has been dominated by studies on small speaker samples, assuming essentially that individual differences in movement patterns are negligible. However, this assumption is inconsistent with published evidence. The broad goal of this project is to undertake detailed quantitative, statistically well- founded analyses of a unique, public-domain, large-sample speech production database incorporating point-parameterized representations of lingual, labial, and mandibular movements, recorded from the University of Wisconsin X-ray microbeam system in synchrony with the resulting acoustic sound pressure wave. Data from 57 normal speakers are represented, for a rich, uniform inventory of utterances and oral motor tasks, all described according to a common kinematic framework. Results from these analyses will be used to evaluate the general hypothesis that speakers differ in significant ways in the kinds and forms of movements used to produce perceptually equivalent speech behaviors. Specific aims include the development of speaker profiles, incorporating detailed models of individual strategies for changing speaking rate, clarity, and emphasis, complemented by information defining vocal tract size and speaker dialect; development of multi-variate time-series methods for describing patterns of articulatory coordination during sounds in varying contexts; and, description of the variability among speakers: choices of movement patterns whose acoustic effects are theoretically identical. An increased awareness of the range and distribution of speech production strategies among normals should prove useful for developing improved speech therapy protocols, and for achieving new understanding of the bases of speech disorders such as stuttering and the dysarthrias.