在多扬声器流分离中对语音赋值的时间连贯效应.
Jaeeun Lee1, Andrew J Oxenham1
1Department of Psychology, University of Minnesota, Minneapolis, Minnesota 55455, USAlee03881@umn.edu, oxenham@umn.edu.
JASA express letters
|May 8, 2025
概括
语音中的时间连贯性不能可靠地隔离听觉流. 这项研究发现,对于正常听力听众来说,连贯和不连贯的语音条件之间没有显著的性能差异.
科学领域:
- 听觉感知是一种听觉感知.
- 语音处理 语音处理
- 精神声学是一种精神声学.
背景情况:
- 时间连贯的原理表明,同步的听觉流被认为是统一的,而非同步的流被分开.
- 以前使用简单刺激的研究表明,时间连贯在听力流分离中的作用.
- 这些原则对复杂的听觉信号 (如人类言语) 的适用性仍然不太清楚.
研究的目的:
- 调查时间连贯是否影响复杂语音中的听觉流分离.
- 测试时间连贯的语音形成一个统一的流,而不连贯的语音形成单独的流的预测.
主要方法:
- 20名听力正常的听众参与了这项研究.
- 听众识别了目标演讲者演讲的最后一句话.
- 刺激涉及时间连贯或不连贯的语音短语之前的目标,或沉默.
主要成果:
- 在暂时连贯和不连贯的语音条件之间,没有发现语音可理解性或流分离性能的显著差异.
- 与静音控制条件相比,听众的表现没有显著差异.
结论:
- 时间连贯性原则可能不适用于复杂的听觉流,如人类言语.
- 需要进一步的研究来了解听力流与更复杂的声学刺激的分离.
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