廣播音響系統涉及面很廣，從、學校、賓館、車站、碼頭、廣場 到會場、影劇院、體育館等無不與之有密切關系。
The broadcasting sound system covers a wide range, from shopping malls, schools, hotels, stations, docks, squares to venues, cinemas and gymnasiums.
在民用建筑工程設計中，廣播系統可分為以下幾類：
In civil building engineering design, broadcasting system can be divided into the following categories:
1、面向公眾區(、車站、碼頭、、餐廳、走廊、教室等)和停車場等的公共廣播系統。
1. Public address system for public areas (shopping malls, stations, docks, shopping malls, restaurants, corridors, classrooms, etc.) and parking lots.
這種系統主要用于語音廣播，因此清晰度是首要的。而且，這種系統往往平時進行背景音樂廣播，在出現災害或緊急情況時，又可轉換為緊急廣播。
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、面向賓館客房的廣播音響系統。
2. Broadcast sound system for hotel rooms.
這種系統包括客房音響廣播和緊急廣播，常由設在客房中的床頭柜放送，客房廣播含有多個可供自由選擇的波段，在緊急廣播時，客房廣播即自動中斷，自動切換為緊急廣播。
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、以禮堂、劇場、體育館為代表的廳堂擴聲系統。
3. Hall sound reinforcement system represented by auditorium, theater and gymnasium.
這是性較強的擴聲系統，它不僅要考慮電聲技術問題，還要涉及建筑聲學問題。兩者都要統籌兼顧，不可偏廢，這類廣播系統往往有綜合性多用途的要求，不僅可供會場語言擴聲使用，還常用于文藝演出等，對于大型現場演出的音響系統，電功率少則幾萬，多的達數十萬瓦，故要用大功率的揚聲器和功率放大器，在系統的配置和器材選用方面有一定的要求，同時應注意電力線路的負荷問題。
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、面向會議室、報告廳等的廣播音響系統。
4. Broadcast sound system for conference room, lecture hall, etc.
這類系統一般也是設置成公共廣播提供的背景音樂和緊急廣播兩用的系統，但因其特殊性故也常在會議室和報告廳單獨設置會議廣播系統。對要求較高或國際會議廳，還需另行設計諸如同聲傳譯系統，會議表決系統以及大屏幕投影電視等的專用視聽系統。
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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