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对于正常听力受试者而言,双边骨导电刺激在乳头上进行掩饰的空间释放.

Jie Wang1, Sijia Xie1, Stefan Stenfelt2

  • 1School of Electronics and Communication Engineering, Guangzhou University, Guangzhou, China.

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|March 29, 2024
PubMed
概括

在正常听觉的成年人中,使用骨传导 (BC) 和空气传导 (AC) 来研究掩盖的空间释放 (SRM). 结果显示,空间分离可以改善语音识别,在更宽的角度下,AC优于BC.

关键词:
骨导电 骨导电 骨导电 骨导电从掩盖中释放空间释放.语音的可理解性 语音的可理解性语音识别的门值

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科学领域:

  • 听力学 听力学是指听力学.
  • 精神声学是一种精神声学.
  • 听觉神经科学 听觉神经科学

背景情况:

  • 掩盖空间释放 (SRM) 对于在复杂的听觉环境中理解语音至关重要.
  • 骨传导 (BC) 听力提供了一个独特的声音传输途径,与空气传导 (AC) 截然不同.
  • 通过BC刺激研究SRM对于了解其在助听器技术和听力康复方面的潜力至关重要.

研究的目的:

  • 用双边骨传导 (BC) 刺激在乳头上研究掩盖 (SRM) 的空间释放的影响.
  • 为了在各种空间配置中比较BC和空气导通 (AC) 刺激的SRM.
  • 确定角分离和声音模式对语音识别值 (SRT) 的影响.

主要方法:

  • 9名正常听觉的成年人参与了这项研究.
  • 语音识别值 (SRT) 在模拟空间设置 (0-180度) 中使用非个性化与头部相关的转移函数进行测量.
  • 刺激通过双边BC传递在状骨和AC通过耳机AC.

主要成果:

  • 角分离和声音模式都显著影响了语音识别.
  • 增加空间分离到150°改善了BC和AC的SRT,在150°以后略有下降.
  • 在分离>75°时,AC显示SRM显著高于BC,而BC在分离<75°时提供了更大的,虽然不是统计学上显著的好处.
  • "更好的耳朵效应"对于同侧源来说并不重要,但对相反侧源来说则占据了SRM的主导地位.

结论:

  • 空间分离提高了BC和AC的语音可理解性,但AC在更大的空间角度提供了更好的好处.
  • BC刺激为空间听力机制提供了独特的见解,特别是在更近的空间隔离处.
  • 了解这些模式特定的空间效应对于开发先进的听觉设备和策略至关重要.