2.4.1. Acoustics Safety Issues
The acoustics environment in space operations is important to maintain at manageable levels so that the crew can remain safe, functional, effective, and reasonably comfortable. High acoustic levels can produce temporary or permanent hearing loss or cause other physiological symptoms, such as auditory pain, headaches, discomfort, strain in the vocal cords, or fatigue.
Noise is defined as undesirable sound. Excessive noise can result in psychological effects, such as irritability, inability to concentrate, decrease in productivity, annoyance, errors in judgment, and distraction. A noisy environment also can result in the inability to sleep or sleep well. Elevated noise levels can affect the ability to communicate, understand ...
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