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延长高频听力与年轻至中年消防员双耳空间优势之间的关系

Christina M Roup¹, Sarah D Ferguson¹, Devan Lander¹

¹Department of Speech and Hearing Science, The Ohio State University, 1070 Carmack Road, 110 Pressey Hall, Columbus, Ohio 43210, USA.

The Journal of the Acoustical Society of America

|October 2, 2023

概括

扩展高频 (EHF) 听力较差的消防员在杂的环境中从空间分离中获得的益处较小. 这表明,职业暴露可能会损害这个群体的关键语音理解能力.

科学领域:

听力学听力学是指听力学.
职业健康职业健康职业健康
环境科学环境科学

背景情况:

消防员面临着严重的职业噪音和空气中毒素暴露.
听力障碍,特别是在延长的高频段,会影响沟通.
了解空间听力对于复杂环境中的语音理解至关重要.

研究的目的:

调查扩展高频 (EHF) 听力值与消防员语音空间化噪声能力之间的关系.
为了确定职业暴露是否影响空间听力优势.

主要方法:

语音识别值使用"在空间化噪音句子中倾听"测试进行测量.
参与者包括有职业噪音和毒素暴露史的消防员.
在共同位置和空间分离的噪音条件下评估语音理解.

主要成果:

在EHF听力值和空间优势之间发现了显著的相关性.
较差的EHF听力与声音源的空间分离带来的益处减少有关.
即使考虑到年龄,这种相关性仍然存在.

结论:

在消防员中,无论是EHF还是空间听力都存在缺陷.
在复杂的声学环境中,语音理解受损是消防员的潜在后果.
职业风险可能会导致这些听力缺陷.

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相关概念视频

Echo

Echo

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,...