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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(shè)計(jì)中，廣播系統(tǒng)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(qū)(、車站、碼頭、、餐廳、走廊、教室等)和停車場等的公共廣播系統(tǒng)。

1. Public address system for public areas (shopping malls, stations, docks, shopping malls, restaurants, corridors, classrooms, etc.) and parking lots.

這種系統(tǒng)主要用于語音廣播，因此清晰度是首要的。而且，這種系統(tǒng)往往平時(shí)進(jìn)行背景音樂廣播，在出現(xiàn)災(zāi)害或緊急情況時(shí)，又可轉(zhuǎn)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(tǒng)。

2. Broadcast sound system for hotel rooms.

這種系統(tǒng)包括客房音響廣播和緊急廣播，常由設(shè)在客房中的床頭柜放送，客房廣播含有多個(gè)可供自由選擇的波段，在緊急廣播時(shí)，客房廣播即自動(dòng)中斷，自動(dòng)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(kuò)聲系統(tǒng)。

3. Hall sound reinforcement system represented by auditorium, theater and gymnasium.

這是性較強(qiáng)的擴(kuò)聲系統(tǒng)，它不僅要考慮電聲技術(shù)問題，還要涉及建筑聲學(xué)問題。兩者都要統(tǒng)籌兼顧，不可偏廢，這類廣播系統(tǒng)往往有綜合性多用途的要求，不僅可供會(huì)場語言擴(kuò)聲使用，還常用于文藝演出等，對(duì)于大型現(xiàn)場演出的音響系統(tǒng)，電功率少則幾萬，多的達(dá)數(shù)十萬瓦，故要用大功率的揚(yáng)聲器和功率放大器，在系統(tǒng)的配置和器材選用方面有一定的要求，同時(shí)應(yīng)注意電力線路的負(fù)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(huì)議室、報(bào)告廳等的廣播音響系統(tǒng)。

4. Broadcast sound system for conference room, lecture hall, etc.

這類系統(tǒng)一般也是設(shè)置成公共廣播提供的背景音樂和緊急廣播兩用的系統(tǒng)，但因其特殊性故也常在會(huì)議室和報(bào)告廳單獨(dú)設(shè)置會(huì)議廣播系統(tǒng)。對(duì)要求較高或國際會(huì)議廳，還需另行設(shè)計(jì)諸如同聲傳譯系統(tǒng)，會(huì)議表決系統(tǒng)以及大屏幕投影電視等的專用視聽系統(tǒng)。

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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