我知道你会怎么说:演讲者特定语音预测的证据
Marco Sala1, Francesco Vespignani2, Laura Casalino2
1Departement of Developmental Psychology and Socialization, University of Padua, Padova, Italy. marco.sala.2@phd.unipd.it.
Psychonomic bulletin & review
|March 26, 2024
概括
听众使用扬声器身份来预测即将到来的语音声音. 这项研究表明,人们可以根据说话者是本地人还是外国人进行详细的语音预测,从而提高语言理解能力.
科学领域:
- 心理语言学 心理语言学
- 语音感知 语音感知
- 声学处理 声学处理
背景情况:
- 语言理解模型通常假定语音信息的预激活.
- 声学预测的证据是混合的,需要进一步调查.
- 外国发言人的语音错误为研究预测提供了一个独特的范式.
研究的目的:
- 调查说话者身份 (本地人与外国人) 是否影响特定的语音预测.
- 确定语言系统是否利用声学变异性进行预测.
- 检查视觉线索 (说话者的脸) 在调制语音预测中的作用.
主要方法:
- 一个词汇决策任务被采用了句子框架,其次是口语.
- 参与者对语义上可预测或不可预测的单词做出了词汇决定.
- 演讲者的身份 (本地人与外国人) 被操纵,有或没有来自演讲者的面部的视觉线索.
主要成果:
- 说话者身份的视觉线索有效地加快了对可预测词的词汇决策.
- 对于不可预测的单词,没有观察到这种效应,这表明了特定的预测机制.
- 这些发现表明,声学预测对扬声器特定变化的敏感.
结论:
- 语音预测机制包含详细的语音信息,包括说话者的变化.
- 预先激活声学表示的能力是特定的,并且取决于上下文.
- 这项研究支持了复杂的语言理解模型,这些模型考虑了单个说话者的特点.
相关概念视频
01:03Prediction Intervals
2.3K
The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y.
2.3K
02:09Stereotype Threat and Self-fulfilling Prophecies
37.6K
When we hold a stereotype about a person, we have expectations that he or she will fulfill that stereotype. A self-fulfilling prophecy is an expectation held by a person that alters his or her behavior in a way that tends to make it true. When we hold stereotypes about a person, we tend to treat the person according to our expectations. This treatment can influence the person to act according to our stereotypic expectations, thus confirming our stereotypic beliefs. Research by Rosenthal and...
37.6K
02:27Predicting Products: SN1 vs. SN2
13.4K
Nucleophilic substitution reactions of alkyl halides can proceed via an SN1 or an SN2 mechanism. While in SN2 reactions, the nucleophile attacks the substrate simultaneously as the leaving group departs, in SN1 reactions, the substrate first dissociates to give the carbocation intermediate. Various factors such as the structure of the substrate, the strength of the nucleophile, and the nature of the solvent promote one mechanism over the other.
With increased substitution on the alkyl halide,...
With increased substitution on the alkyl halide,...
13.4K
02:52Predicting Products: Substitution vs. Elimination
11.6K
When a nucleophile and an alkyl halide react, nucleophilic substitution and β-elimination reactions compete to generate products.
The following factors can influence the mechanisms competing against each other:
The following factors can influence the mechanisms competing against each other:
11.6K
01:22Language Development
359
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
359
01:08Determination of Expected Frequency
2.2K
Suppose one wants to test independence between the two variables of a contingency table. The values in the table constitute the observed frequencies of the dataset. But how does one determine the expected frequency of the dataset? One of the important assumptions is that the two variables are independent, which means the variables do not influence each other. For independent variables, the statistical probability of any event involving both variables is calculated by multiplying the individual...
2.2K