可以影响分割语音可理解性的因素
Milagros J Fumero1, Miriam I Marrufo-Pérez1, Almudena Eustaquio-Martín1
1Instituto de Neurociencias de Castilla y León, Universidad de Salamanca, Salamanca 37007, Spain; Instituto de Investigación Biomédica de Salamanca, Universidad de Salamanca, Salamanca 37007, Spain.
在具有挑战性的倾听中,人们更喜欢一个说话者. 这项研究发现,听众更喜欢男性演讲者和右边的演讲者,特别是在困难的声学条件下.
科学领域:
- 听觉感知是一种听觉感知.
- 精神声学是一种精神声学.
- 人类的注意力 人类的注意力
背景情况:
- 分享听力是具有挑战性的,往往导致注意力偏向于两个同时说话者中的一个.
- 在复杂的听觉环境中影响说话者偏好的因素需要进一步调查.
研究的目的:
- 为了确定说话者开始/退位,性别或位置是否会影响说话者对挑战性倾听的偏好.
- 评估声学条件如何影响分听的不对称性.
主要方法:
- 听力正常的参与者从不同位置的两个演讲者 (+45°和 -45°近视角) 进行了单词识别.
- 实验操纵了说话者的性别,声音水平 (65和35 dB SPL) 和句子的持续时间.
- 通过词识别准确度来衡量说话者的偏好.
主要成果:
- 听众更喜欢男性演讲者而不是女性演讲者,更喜欢较低的声音水平 (35 dB SPL).
- 当说话者的位置被切换或说话者是相同性别时,观察到一个不显著的右耳优势.
- 在52毫秒以下的Talker开始/抵消差异无法解释观察到的可理解性不对称性.
结论:
- 在听力困难的情况下,听众对右边的说话者表现出偏见,可能受到声音特征的影响.
- 在分裂听力时,听力不对称性会因具有挑战性的声学场景而加剧.
- 谈话者性别和空间位置是说话者在二语式听力任务中偏好的显著调节器.
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