广播音响系统涉及面很广，从、学校、宾馆、车站、码头、广场 到会场、影剧院、体育馆等无不与之有密切关系。
The broadcasting sound system covers a wide range, from shopping malls, schools, hotels, stations, docks, squares to venues, cinemas and gymnasiums.
在民用建筑工程设计中，广播系统可分为以下几类：
In civil building engineering design, broadcasting system can be divided into the following categories:
1、面向公众区(、车站、码头、、餐厅、走廊、教室等)和停车场等的公共广播系统。
1. Public address system for public areas (shopping malls, stations, docks, shopping malls, restaurants, corridors, classrooms, etc.) and parking lots.
这种系统主要用于语音广播，因此清晰度是首要的。而且，这种系统往往平时进行背景音乐广播，在出现灾害或紧急情况时，又可转换为紧急广播。
This system is mainly used for voice broadcasting, so clarity is the first. Moreover, this system often carries out background music broadcasting at ordinary times, and can be converted to emergency broadcasting in case of disaster or emergency.
2、面向宾馆客房的广播音响系统。
2. Broadcast sound system for hotel rooms.
这种系统包括客房音响广播和紧急广播，常由设在客房中的床头柜放送，客房广播含有多个可供自由选择的波段，在紧急广播时，客房广播即自动中断，自动切换为紧急广播。
This system includes guest room audio broadcasting and emergency broadcasting, which are often broadcast by the bedside table in the guest room. The guest room broadcasting contains multiple freely selectable bands. In case of emergency broadcasting, the guest room broadcasting is automatically interrupted and automatically switched to emergency broadcasting.
3、以礼堂、剧场、体育馆为代表的厅堂扩声系统。
3. Hall sound reinforcement system represented by auditorium, theater and gymnasium.
这是性较强的扩声系统，它不仅要考虑电声技术问题，还要涉及建筑声学问题。两者都要统筹兼顾，不可偏废，这类广播系统往往有综合性多用途的要求，不仅可供会场语言扩声使用，还常用于文艺演出等，对于大型现场演出的音响系统，电功率少则几万，多的达数十万瓦，故要用大功率的扬声器和功率放大器，在系统的配置和器材选用方面有一定的要求，同时应注意电力线路的负荷问题。
This is a professional sound reinforcement system. It should consider not only electroacoustic technology, but also architectural acoustics. Both of them should be taken into account. Such broadcasting systems often have comprehensive and multi-purpose requirements, which can not only be used for language amplification at the venue, but also for literary and artistic performances. For the sound system of large-scale live performances, the electric power is tens of thousands of Watts at least, and hundreds of thousands of Watts at most, so high-power speakers and power amplifiers should be used, There are certain requirements for system configuration and equipment selection, and attention should be paid to the load of power lines.
4、面向会议室、报告厅等的广播音响系统。
4. Broadcast sound system for conference room, lecture hall, etc.
这类系统一般也是设置成公共广播提供的背景音乐和紧急广播两用的系统，但因其特殊性故也常在会议室和报告厅单独设置会议广播系统。对要求较高或国际会议厅，还需另行设计诸如同声传译系统，会议表决系统以及大屏幕投影电视等的专用视听系统。
This kind of system is generally set up as a dual-purpose system for background music and emergency broadcasting provided by public broadcasting. However, due to its particularity, it is often set up a separate conference broadcasting system in the conference room and lecture hall. For high demand or international conference halls, special audio-visual systems such as simultaneous interpretation system, conference voting system and large screen projection TV need to be designed.
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