会议室音响系统是会议室的有机组成部分，也是故障率存在的节点部分，小编建议：提前了解会议音响设备故障做好预防措施，跟着
山东会议室音响厂家来看看是怎样回事吧。
The audio system of the conference room is an organic part of the conference room and also a node part of the failure rate. The small editor recommends that we understand the failure of the conference audio equipment in advance and take preventive measures. Follow the Shandong conference room audio manufacturer to see what is going on.
音响无声
Soundless
检查所有设备是否都已开启，各设备的音量控制钮是否都已调到合适位置，调音台上各通道路径开关是否已选通，检查各连接线是否已连接正确、可靠。如还无声则需逐级检查，可以从后向前逐级检查，也可从前向后逐级检查。
Check whether all devices are turned on, whether the volume control buttons of all devices are adjusted to appropriate positions, whether the path switches of all channels on the mixing console are turned on, and whether the connecting wires are connected correctly and reliably. If it is still silent, it needs to be inspected step by step. It can be inspected step by step from the rear to the front, or from the front to the rear.
系统哼声大
The system is noisy
哼声往往是由于接地不良或不对，系统的设备不在同一路电网上，地电位严重相差引起的，而连接线的屏蔽层脱焊或屏蔽线接得不对而形成地电流回路，也会引起哼声大。所以应着重检查这些方面，必要时应加隔离用音频变压器，以便把前后级设备间的&濒诲辩耻辞;地&谤诲辩耻辞;断开，而信号仍然畅通。
The hum is often caused by poor or incorrect grounding, the equipment of the system is not on the same power grid, and the ground potential is seriously different. However, the shielding layer of the connecting wire is desoldered or the shielding wire is incorrectly connected to form the ground current loop, which also causes the loud hum. Therefore, emphasis should be placed on checking these aspects. If necessary, an isolation audio transformer should be added to disconnect the "ground" between the front and rear equipment, while the signal is still unblocked.
系统削波失真
System clipping distortion
先检查各设备上的削波指示灯是否亮着，如并未发现削波指示灯连续亮，则可以选择系统靠中间的一台设备把音量降低几个诲叠，以判断是该设备的前面已有削波失真，还是在该设备后面才产生的削波失真。如此经过几次调节音量控制器，即可判断削波来自哪一级。一般来说，确实是信号过强引起的削波，则应在前级设备上就将音量电平降下来，如属设备故障（如设备内的工作电源不正常或负反馈通路开路等）则须更换设备。
Firstly, check whether the clipping indicator light on each device is on. If the clipping indicator light is not found to be continuously on, you can select the device in the middle of the system to reduce the volume by several dB to determine whether the clipping distortion has occurred in front of the device or behind the device. In this way, after several times of adjusting the volume controller, it can be judged which level the clip comes from. Generally speaking, if the clipping is really caused by the strong signal, the volume level should be reduced on the previous level equipment. If the equipment is faulty (such as the working power supply in the equipment is abnormal or the negative feedback path is open), the equipment must be replaced.
音响系统声音小
The sound system is low
声音小往往是连接线问题居多。如连接线短路，插头、插座配合不好，连线虚焊等，在判定连接线没有问题后再怀疑设备，检查是哪一台设备有了故障，然后再更换设备。如声音小还伴随声场严重不均匀则应考虑扬声器的相位是否接错。
The low noise is often caused by the connection line problem. If the connecting line is short circuited, the plug and socket are not well matched, and the connection is faulty, the equipment shall be suspected after it is determined that the connecting line has no problem, and then the equipment shall be replaced. If the sound is small and the sound field is seriously uneven, it shall be considered whether the phase of the speaker is connected incorrectly.
系统干扰噪声
System interference noise
系统设计时注意采用平衡连接，到功率放大器输入端为止的所有音频线都应该采用屏蔽性能良好的音频电缆，并且连接线的长度不要太长，接地良好。在这些措施都到位的情况下，还有干扰信号出现时，则应该考虑加入射频滤波器。
When designing the system, attention shall be paid to balanced connection. All audio cables from the input end of the power amplifier shall be audio cables with good shielding performance, and the length of the connecting cable shall not be too long and the grounding shall be good. When all these measures are in place and there are still interference signals, the RF filter should be considered.
常规来讲，会议室受诸多条件显着，导致音响系统机械故障，甚对音响造成大危害，所以在使用之前要做好预防准备，更多注意事项就来我们网站
咨询吧。
Conventionally, the conference room is subject to many significant conditions, leading to the mechanical failure of the audio system and even causing great damage to the audio system. Therefore, it is necessary to make preventive preparations before use. For more precautions, please visit our website Consult.
