飞行在低于100英尺的超音速飞机制造的音爆，造成的20到144磅的超压，没有对人体造成伤害。
Sonic booms produced by aircraft flying supersonic at altitudes of less than 100 feet, creating between 20 and 144 pounds overpressure, have been experienced by humans without injury.
音效的质量低劣：爆音、不同步，有时甚至没有声音。
Sound can be poor quality: crackling, out of sync, and shutting down.
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