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Analysis of common problems in the use of video conferencing systems

source:Industry News release time:2022-09-05 Hits:     Popular:Brand bar audio wholesale

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  With the increasing use of video conferencing, everyone has higher and higher requirements for video conferencing. For video conferencing, everyone may say that the clarity of the video picture is more important. In fact, it is not. In the video conference, the audio source is also very important. , because the communication between the participants is mainly achieved through audio dialogue or discussion. As long as the video has pictures, it is best if the performance can be clear, but the most convincing must be the audio, which has a good video and ordinary audio ratio. A normal video with good audio is much more useful. Of course, since the emphasis on audio products is not very high, the probability of audio problems is very high during the video conference process.

  1. The sound is light during the audio call

  This is mainly manifested in that the voice from the other party is very light, and it takes a lot of effort to hear what the other party is saying. The problem usually lies in the sound collection. We can test our own speakers or speakers first, and use the local computer to play the test to see if the playback volume is large enough. If we determine that the audio downlink is normal, we can basically judge the problem. In the upstream, you can generally adjust the volume of the input (recording) of the device. This requires a special signature to adjust the volume of the recording. In practice, many people often only adjust the sound of the speaker, not the volume of the recording.

  2. The noise is relatively large during the audio call

  The size of the noise is mainly affected by two aspects. First, during the meeting, there may be noise sources such as fans and air conditioners. However, general conference audio pickup products do not have special noise processing, resulting in all noise being picked up. , The second is the audio upstream. The volume of the recording is too high, resulting in a large sound collection for slight movements, causing noise. Of course, sometimes there are some functions in the conference software, such as noise reduction, squelch and other functions are turned on. When it is in conflict with the software, it is easy to cause noise.

  3. You can hear your own voice during the video conference

  During the video conference, I found that I could hear my own voice coming back. For example, when many mobile phones use hands-free, this situation is also easy to occur. This kind of audio equipment is mainly not selected well. Although the current video conferencing software has an echo cancellation function, none of them can really cancel the echo, so the audio equipment at the rear and front end is needed to match, such as the omnidirectional microphone of Elite Audio, which needs its own echo cancellation function. , so as to ensure that the voice of the other party comes out of the speaker and will not come out from the pickup part of the product again, causing echoes. If limited by the conditions, the sensitivity of the audio input device can be reduced, the spatial distance between the pickup device and the speaker, and the power amplifier can be increased to reduce the sound and improve the echo through the distance effect.


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