Aerial broadcast alarm system
An alarm system and audio signal technology, applied in alarms, instruments, etc., can solve problems such as difficult to meet needs, achieve the effects of avoiding chip damage, enhancing environmental adaptability and safety, and improving signal-to-noise ratio
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[0031] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
[0032] It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second" and the like are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance.
[0033] In order to solve the problems existing in the prior art that it is difficult to meet the needs of the scene, such as wired speaker systems or hand-held voice amplifiers, the embodiment of this application cleverly proposes an air broadcast alarm system that can be applied to aircraft. The air broadcast alarm system includes: a sound acquisition device,...
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