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高保真高灵敏度拾音器的安装方法是什么？

高保真高灵敏度拾音器的安装方法是什么？

浏览：55次 | 提问时间： 07-10 05:29

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有我在 07-10 05:30

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阳光下为谁回眸 07-10 05:38

你好，方法如下：
1、网络摄像机接拾音器具体接法：S1接D2，S2接C1和D2，S3接C2，C3直接减掉包好。
2、网络摄像机安装拾音器进行同步录音的方法音频头插到摄像机的Mic in，在硬盘录像机中设置这路摄像机通道开启录音即可。
3、此接法只适用于网络监控系统，如果是模拟监控，音频需要另外布施音频线路，通过bnc头接到硬盘录像机上对应的的音频输入接口。
希望我的回答能帮到您

面具 07-10 05:46

黑线为公共线，绿线为MIC+，红线为+12V输入。也就是说拾音器需要12V供电的，在现场使用12V稳压器取电，分别接黑(0V)红(+12V)，然后取黑线和绿线回传到机房，黑线为MIC-，绿线为MIC+的。
拾音器电源线正极的连接方法：
1、拾音器供电方式要求采用远端集中供电(即在音频记录设备端/扩音设备端集中供电)，其主要目的是抗干扰和噪声的能力更强。由于拾音器是非常灵敏的小信号放大设备，所以对电源的杂波比较敏感。
2、杂波小的洁净优质直流稳压电源。单个拾音器消耗的电流大约10-30毫安，也就是说，一台标称值为1安培的直流稳压电源可以至少供10多个拾音器同时工作。应用中应当考虑到电源效率和线损问题，尽量选用标称值较高的电源。这里所指的直流稳压电源就是常说的“ 变压器”，一般由电源变压器、整流二极管、滤波电容及集成稳压器构成。不能使用开关电源，它可能会给拾音器引入大量的电路杂音。

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