日常中我们经常会遇到音响出现电流声的情况，即使在没有任何音乐的情况下也会出现，音量越大，杂音也越大，这个是为什么呢？
山东会议室音响厂家告诉你：
In daily life, we often encounter current sound in the sound, even without any music. The higher the volume, the greater the noise. Why? Shandong conference room audio manufacturer tells you:
我们要考虑音响邻近是否有其他家电作业，比方电视、手机等，他们的信号辐射会对音响形成搅扰，需要将这些物件远离音响设备。
We need to consider whether there are other household appliances near the sound, such as TVs, mobile phones, etc. their signal radiation will disturb the sound, so we need to keep these objects away from the sound equipment.
然后我们要考虑是否音响本身出现了问题，检查音响处的接口衔接是否松动，我们可以把所有的插口重新插一遍，如果情况还存在，那么音响可能出现了电磁干扰、机械噪音、热燥等原因导致电流音的出现。
Then we should consider whether there is a problem with the sound itself, and check whether the interface connection at the sound is loose. We can plug all the sockets again. If the situation still exists, the sound may have electromagnetic interference, mechanical noise, heat dryness and other reasons, resulting in the occurrence of streaming sound.
机械噪音，机械噪音是有源音响特有的。电源变压器在工作过程中，交变磁场引起的铁芯震动就会产生机械噪音，这很类似于日光灯镇流器所发出的嗡嗡声。选择质量好的产物仍然是预防这种噪音的好办法。另外，我们可以在变压器和固定板之间加装橡胶减震层。
Mechanical noise, mechanical noise is unique to active sound. During the operation of the power transformer, the iron core vibration caused by the alternating magnetic field will produce mechanical noise, which is very similar to the buzzing sound emitted by the fluorescent lamp ballast. Choosing good quality products is still a good way to prevent this kind of noise. In addition, we can install a rubber damping layer between the transformer and the fixed plate.
如何音响的电流音？
How to eliminate the current sound of sound?
热噪，如果电位器使用的时间较长，金属刷与膜片之间就会因灰尘堆积和磨损等问题产生接触不良，旋转时就会产生噪声。如果音响的螺丝没有旋紧，倒相管处理不到位，在播放大动态音乐时，也会产生机械噪音。处理这种热噪声可以通过更换低噪声元件或是降低元件工作负荷的方法，另外，降低工作温度也是也是行之有效的方法之一。
Thermal noise. If the potentiometer is used for a long time, there will be poor contact between the metal brush and the diaphragm due to dust accumulation and wear, and noise will be generated during rotation. If the screws of the stereo are not tightened and the inverter is not handled in place, mechanical noise will also be generated when playing large dynamic music. This kind of thermal noise can be dealt with by replacing low-noise components or reducing the working load of components. In addition, reducing the working temperature is also one of the effective methods.
电磁干扰电磁干扰又主要可以分为电源变压器干扰和杂散电磁波干扰。电源变压器干扰由于多媒体音响的电源漏磁造成的，在条件允许的情况下为变压器加装屏蔽罩的效果非常明显，可以大程度的将漏磁阻挡，屏蔽罩只能用铁型材料制作。
Electromagnetic interference electromagnetic interference can be divided into power transformer interference and stray electromagnetic wave interference. The interference of the power transformer is caused by the magnetic leakage of the power supply of the multimedia audio. If conditions permit, the effect of installing a shielding cover for the transformer is very obvious, which can block the magnetic leakage to a large extent. The shielding cover can only be made of iron material.
杂散电磁波干扰比较常见，音响导线、分频器、无线设备或者电脑主机都会成为干扰源。将主音响在允许条件下尽量远离电脑主机，并且减少周边无线设备，也就是刚才说的一点。
Stray electromagnetic wave interference is common, and audio wires, frequency dividers, wireless devices or computer hosts will become interference sources. Keep the main audio as far away from the computer host as possible under the allowable conditions, and reduce the surrounding wireless devices, that is, the point just mentioned.
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