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相关概念视频

Interference: Path Lengths01:10

Interference: Path Lengths

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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
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Sound Waves: Interference00:53

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Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...
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The Cochlea01:13

The Cochlea

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The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention
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由双边骨传导刺激引起的干扰模式损害了声音定位.

Liu-Jie Ren1, Yi Yu2, Cheng Hua3

  • 1FPRS Department / ENT Institute / NHC Key Laboratory of Hearing Medicine, Eye & ENT Hospital of Fudan University, Shanghai, 200031, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|June 10, 2025
PubMed
概括
此摘要是机器生成的。

双边骨传导听力器的交叉声会通过引起波干扰来破坏空间听力. 这项研究建模并验证了这种干扰如何产生不典型的声音横向化,从而阻碍了助听器性能的改善.

关键词:
骨导电 骨导电 骨导电 骨导电交叉语音 交叉语音 交叉语音 交叉语音 交叉语音心理声学是一种心理声学.声音本地化 声音本地化波浪干扰是一种波浪干扰.

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科学领域:

  • 听力学 听力学是指听力学.
  • 生物医学工程 生物医学工程
  • 声学 声学 在声学方面

背景情况:

  • 双边骨导听器 (BCHD) 的目的是改善空间听力.
  • 交叉通话,是对ILD和IPD等双耳声学线索的干扰,限制了BCHD的有效性.
  • 了解交叉通话对于提高BCHDs的声音定位至关重要.

研究的目的:

  • 开发双边骨传导 (BC) 中交叉的理论模型.
  • 在BC下预测耳振动响应和声音侧面化模式.
  • 通过实验验证模型,并调查交叉通话对空间听觉的影响.

主要方法:

  • 基于波干扰和叠加的简化理论模型被开发出来.
  • 尸体振动测量被用来验证预测的耳反应.
  • 在健康的志愿者身上进行了精神声学声音横向化测试.

主要成果:

  • 该模型准确地预测了受ILD和IPD影响的声音横向化模式.
  • 观察到的横向化模式与已确定的空气导通 (AC) 原则有所不同.
  • 实验验证证证实了交叉通话诱导的波干扰和在尾细胞的信号叠加.

结论:

  • 双边BCHD的交声会导致头骨中的波干扰,导致非典型的声音侧向化.
  • 与AC相比,这些影响对与BC设备相比的声音定位构成重大挑战.
  • 解决交叉通话引起的波干扰是改善双边BCHD用户空间听觉的关键.