不管哪一種廣播音響系統，基本可分四個部分：節目源設備、信號放大處理設備、傳輸線路和揚聲器系統。下面
山東公共廣播音響廠家為您解說。
No matter what kind of broadcast sound system, it can be basically divided into four parts: program source equipment, signal amplification and processing equipment, transmission line and loudspeaker system. Next, Shandong public broadcasting audio manufacturer will explain it to you.
節目源設備
Program source equipment
通常為傳統的如：數字調諧器、多媒體播放機等等；智能的如：數字節目控制中心、校園廣播播放機、數字音源播控機、數控MP3播放機、IP數字廣播的如：IP網絡數字服務器軟件等等，他們都是內置數字音源，并且可以對相關系統進行控制的設備。另外還有一些如無線電廣播，激光唱機和錄音卡座等設備，此外還有傳聲器、電子樂器等。
Usually traditional, such as digital tuner, multimedia player, etc; Intelligent devices, such as digital program control center, campus broadcast player, digital audio source broadcast controller, digital MP3 player, IP digital broadcasting, such as IP network digital server software, are all built-in digital audio sources and can control related systems. In addition, there are some equipment such as radio broadcasting, CD player and recording cassette stand, as well as microphones, electronic instruments, etc.
信號放大處理設備
Signal amplification and processing equipment
包括均衡器、前置放大器、功率放大器和各種控制器材及音響加工設備等。這部分設備的首要任務是信號放大，其次是信號的選擇。
Including equalizer, preamplifier, power amplifier, various control equipment and audio processing equipment. The primary task of this part of equipment is signal amplification, followed by signal selection.
調音臺和前置放大器作用和地位相似（當然調音臺的功能和性能指標更高），它們的基本功能都是完成信號的選擇和前置放大，此外還對音量和音響效果進行各種調整和控制。
The mixer and preamplifier have similar functions and positions (of course, the function and performance indicators of the mixer are higher). Their basic functions are to complete signal selection and preamplification. In addition, they also adjust and control the volume and sound effects.
有時為了更好地進行頻率均衡和音色美化，還另外單獨投入圖示均衡器。這部分是整個廣播音響系統的“控制中心”。
Sometimes, in order to better perform frequency equalization and timbre beautification, graphic equalizer is also used separately. This part is the "control center" of the entire broadcast audio system.
功率放大器則將前置放大器或調音臺送來的信號進行功率放大，再通過傳輸線去推動揚聲器放聲。
The power amplifier amplifies the signal from the preamplifier or mixer, and then pushes the loudspeaker through the transmission line.\
公共廣播智能化要求系統能定時音源，電源，分區，與消防廣播聯動，因此還有如定時器，節目定時播放器，電源時序器，音頻矩陣，控制主機，消防采集器等。
The public address intellectualization requires that the system can time the sound source, power supply, partition, and linkage with the fire broadcast, so there are also timers, program timing players, power sequencers, audio matrices, central control host, fire collectors, etc.
傳輸線路
Transmission line
雖然簡單，但隨著系統和傳輸方式的不同而有不同的要求，一般分為四種，如模擬音頻線路、數字雙絞線線路、流媒體（IP）數據網絡線路、數控光纖線路。
Although simple, there are different requirements with different systems and transmission modes, which are generally divided into four types, such as analog audio lines, digital twisted pair lines, streaming media (IP) data network lines, and digital optical fiber lines.
揚聲器
speaker
要求整個系統的匹配，同時其位置的選擇也要切合實際，室內一般用天花喇叭、室內音柱、壁掛音箱或懸掛式音箱即可，室外可采用室外音柱、草坪專用音箱、號角等等。
The matching of the whole system is required, and the selection of its location should also be practical. Ceiling speakers, indoor sound poles, wall mounted speakers or hanging speakers can be used indoors, while outdoor sound poles, lawn dedicated speakers, horns, etc. can be used outdoors.
The broadcast audio system can basically be divided into four parts. I have finished explaining this problem. I hope I can help you. More relevant matters can come to our website http://www.zkvd.cn Consult!
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