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音响设施主要包括哪些？

音响设施主要包括哪些？

浏览：46次 | 提问时间： 08-07 02:50

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难免心酸 08-07 02:51

你好专业音响设备主要都有：1、调音台：具有多个信道输入，每个信道的声音可以进行单独的*处理，并且拥有左、右声道、混合、*等的输出的一种声音混合设备。是音响师、录音师和作曲家进行音乐、声音创作的重要设备。2、功放器：将音频电压信号转换成定额功率信号用于驱动扬声器发声的设备。功放功率的匹配条件是功放的输出阻抗等于扬声器负载阻抗，以及功放的输出功率与扬声器标称功率相匹配。3、混响器：在歌舞厅音响系统和大型舞台灯光演唱会场里，非常重要的一个部分就是对人声的混响处理。人的歌声经过混响处理后，可以产生一种*音响的美感，使歌声别具一番韵味。它可以对一些业余歌手嗓音中存在的某些缺陷，如沙哑、喉音和尖噪的声带杂音经过混响处理进行掩饰，使声音不那么难听。另外，混响声还可以弥补业余歌手由于未经过专门的发声训练而产生的音色结构中泛音不丰富的现象。这对舞台灯光演唱会举办的效果非常重要。4、分频器：实现分频的电路或装置称为分频器。分频器的种类有很多，根据其分频信号的波形不同，有正弦分频和脉冲分频两种。它的基本作用是，根据组合音箱的要求，将全频带声频信号分成不同的频段，使扬声器单元得到合适频带的激励信号，工作在最佳状态。5、变调器：由于各人的嗓音条件不相同，在演唱时对伴奏音乐的音调要求也各不一致，有的人希望低些，有的则需要高些。这样，就要求伴奏音乐的音调应适应演唱者的要求，否则将会感到歌声与伴奏很不和谐。如果使用伴奏带则要求使用变调器进行变调处理。6、压限器：是压缩器与限制器合并的统称。其主要作用是保护功放和扬声器（音箱）以及创造特殊的声音效果。7、效果器：提供声场效果，包括混响、延时、回声和对声音进行特殊处理的音响设备。8、均衡器：是对不同频率进行提升、衰减,调整低音、中音、高音比例的设备。9、扬声器和音箱：扬声器是将电信号转换成声信号的器件。按原理区分有电动式、电磁式、压电陶瓷式静电式和*式。音箱又称扬声器箱，是把扬声器单元装入箱体中的装置，它不是发音部件，而是显示和丰富低音的助声部件。大体上可以分为三种：封闭式音箱、倒相式音箱、迷宫式音箱。音箱设备对舞台搭建时给它的位置因素相当在意。10、话筒：话筒是将声音转换成电信号的一种电声换能器件。是音响系统中种类最多的一个单元，按其指向性来区分可分为无指向性（圆形）、指向性（心型、超心型）和强指向性，其中无指向性是专门为乐队拾音使用的；指向性是用于语音、歌声等音源拾音的；强指向性是专门为了拾取一定方位的音源声音而要将左右两侧和后面的声音排斥在话筒拾取空间之外，而专门利用声波的相互干涉现象原理，使用声波干涉管制作的一只细长的管状话筒，人们称为*式话筒，用于艺术舞台和新闻采访中；按结构与应用范围区分有动圈式话筒、铝带话筒、电容式话筒、压力区话筒—PZM、驻极体话筒、MS式立体声话筒、混响话筒、变调话筒等等。专业音响设备找一禾音响，实惠、有保障希望对你有所帮助！

一百个梦九十九个你 08-07 02:59

1）音源类：包括有线传声器、无线传声器、卡座、电唱机、CD机、VCD/LD/DVD机、录象机、*乐器等。（2）艺术*类：包括调音台、混音器等。（3）音质补偿类：包括均衡器、激励器等。（4）动态处理类：包括压缩器、限制器、扩展器、噪声门、自动增益控制器等。（5）声音美化类：包括各种效果机。（6）扩大还音类：包括功率放大器、音箱、耳机、*分频器等。专业音响设备组成组成设备专业音响设备由*调音台；功放调音台；便携式调音台；功率放大器；动圈话筒；电容话筒；无线话筒；音箱；*音箱；功放音箱；超低音箱；均衡器；混响器；效果器；延时器；压缩器；限幅器；分音器；噪声门；激光唱机；录音卡座；影碟机；投影机；变调器；点歌器；耳机等众多设备组成。组成设备的简介功率放大器利用三极管的电流控制作用或场效应管的电压控制作用将电源的功率转换为按照输入信号变化的电流。因为声音是不同振幅和不同频率的波，即交流信号电流，三极管的集电极电流永远是基极电流的β倍，β是三极管的交流放大倍数，应用这一点，若将小信号注入基极，则集电极流过的电流会等于基极电流的β倍，然后将这个信号用隔直电容隔离出来，就得到了电流(或电压)是原先的β倍的大信号，这现象成为三极管的放大作用。经过不断的电流放大，就完成了功率放大。

天生傲骨岂能输 08-07 03:07

(1)音源类:包括有线传声器、无线传声器、卡座、电唱机、CD机、VCD/LD/DVD机、录象机、*乐器等。(2)艺术*类:包括调音台、混音器等。(3)音质补偿类:包括均衡器、激励器等。(4)动态处理类:包括压缩器、限制器、扩展器、噪声门、自动增益控制器等。(5)声音美化类:包括各种效果机。(6)扩大还音类:包括功率放大器、音箱、耳机、*分频器等。

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