The problem of sound noise often puzzles us. In fact, as long as we carefully analyze and troubleshoot, the vast majority of sound noise can be solved by ourselves. Here is a brief analysis of the causes of noise in other aspects of the audio system and the self troubleshooting methods.
1. Incorrect card insertion
This is caused by the fact that the sound card is not closely separated from the expansion slot of the motherboard. It is very common. Just insert the sound card correctly.
2. Incorrect line input
Active speakers, whether 2.0 channel or 2.1 channel, have a line input signal line from the sound source to the speaker. If this line is not connected properly, it may cause noise. In addition, some sound cards have only one output terminal, and the jumper needs to be adjusted.
3. Sound card driving problem
The sound card driver of the system may be incompatible or the driver may have problems. If so, you can reinstall or replace the sound card driver.
4. Audio and video file quality problems
If the quality of audio and video files downloaded from the network is poor, it will cause noise during playback. Try to download high-quality audio and video files.
5. Speaker damaged
No matter what speakers are, they will be aged and damaged over a long period of time. If the damaged speakers continue to be used, there will be noise. If the noise is really caused by this reason, send it for repair or replacement.
Common troubleshooting methods and solutions:
Switch the computer audio into the left and right channels of the subwoofer (red and white lotus plugs) and listen for any noise from the speaker.
A. If one speaker reports that there is no noise in the hall sound box and the other only reports that the audio cable is broken and needs to be replaced
B. If there is noise, the problem is not on the audio line
Swap the connecting wires between the subwoofer and the two small speakers, and listen for any noise.
A. If one speaker has no noise while the other has only, there is a problem with the internal circuit or route of the speaker. You can find someone to turn on the subwoofer to check, diagnose and solve the specific situation.
B. If there is still noise, there is a problem with the chassis cable, or there is a problem with the small chassis.
Listen with headphones.
If there is only noise in the headset, there is a problem with the computer sound card hardware or software. If there is no noise in the headphones, it can be determined that there is a problem with the external sound reinforcement equipment of the computer, that is, there is a problem from the audio cable to the part between the two small speakers.
After all, to fundamentally reduce the sound noise, we have to start from the following aspects:
1. Choose big brand audio with sufficient materials;
2. Try to minimize electromagnetic interference, arrange cables reasonably, and keep away from mobile phones, radio receivers, transmitters and other radiation interference equipment;
3. Signal line connection
4. Keep the audio equipment in the lecture hall clean to reduce dust and wear.
The above is the relevant content of the question answer. I hope it can help you. If you still have any questions about this problem, you are welcome to follow our website https://www.wenguangzhineng.com And consult our staff, will serve you wholeheartedly.