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相关概念视频

Echo01:06

Echo

534
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
534

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Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
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预测语音识别:短期可听性和空间分离.

Peter A Wasiuk1, Lauren Calandruccio2, Jacob J Oleson3

  • 1Department of Communication Disorders, 493 Fitch Street, Southern Connecticut State University, New Haven, Connecticut 06515, USA.

The Journal of the Acoustical Society of America
|September 20, 2023
PubMed
概括

空间分离通过增强可听的见来改善语音识别,即使在固定的信号与噪声比率下也是如此. 这一发现对于理解复杂的听觉环境中的听觉感知至关重要.

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科学领域:

  • 听觉科学是一种听觉科学.
  • 语音感知 语音感知
  • 精神声学是一种精神声学.

背景情况:

  • 语音内语音识别的变性是一个关键的挑战.
  • 能量和信息掩饰 (IM) 影响识别,但IM很难用动态掩饰器量化.

研究的目的:

  • 为了研究短期可听性和空间分离如何影响两个说话者掩盖的语音识别.
  • 量化空间线索对信息掩盖的影响.

主要方法:

  • 30名正常听力 (NH) 的年轻人完成了句子识别任务.
  • 在不同的空间条件下测量了语音接收值和关键词识别.
  • 一个见模型量化了关键字的短期可听性.

主要成果:

  • 语音识别与可听的关键词见的比例相关,不管总体信号与噪声比 (SNR).
  • 与空间分离的语音相比,配色语音需要更大的短期可听性.
  • 空间分离增强了对关键词识别的目标可听度增加的好处.

结论:

  • 空间线索可以提高正常听力的人在竞争性言语中见的效率.
  • 该研究为估计不同空间配置中的信息掩盖提供了定量框架.