By PURPLELEC | 05 August 2024 | 0 Comments
Why does the video capture card have image freeze?
When using a video capture card, users often encounter image stuttering problems, and there are often multiple reasons behind this phenomenon. The following are the four main reasons for video capture card image stuttering and their detailed analysis:
1. Insufficient computer configuration
When recording or live streaming, the video capture card is highly dependent on the computer's hardware resources for encoding processing. If the computer configuration is low, especially if the processor, memory or graphics card performance is insufficient, it will directly affect the smoothness of video processing and cause stuttering. In addition, even if the computer configuration is acceptable, if multiple high-load tasks are running at the same time, the video encoding ability will be weakened due to resource contention, which will cause stuttering.
2. The software sets the frame rate too low
The essence of video is a series of rapidly changing static images. When these images are played continuously at a speed of more than 24 frames per second, the human eye will see them as smooth and continuous videos. Therefore, when setting the video frame rate, you should ensure that it is not less than 24 frames/second. It is recommended to set it to 30-60 frames/second for a better viewing experience. Setting the frame rate too low will directly cause the video image to stutter. At the same time, different software have different video encoding capabilities. Users need to adjust and test the frame rate settings according to the software performance.
3. The video source itself is stuck
Another possible reason for video stuck is the problem of the video source device. For example, when the player box tries to play a video with high resolution (such as 4K) or high frame rate (such as 60 frames), if its decoding ability is insufficient, the video playback will be stuck. In this case, the video signal received by the video capture card will also be stuck. To troubleshoot this problem, you can first connect the video source to the monitor or TV to check whether the image can be output normally to confirm whether it is a video source device failure.
4. The video cable is too long or of poor quality
The quality and length of the video cable are also important factors affecting the picture display. Especially when transmitting digital signals, if the cable quality is poor or too long, it may cause signal attenuation or interference, which in turn causes abnormal or stuck picture display. Therefore, it is recommended to use high-quality and reliable cables and try to shorten the cable length to reduce signal loss.
to solve the problem of image stuttering on video capture cards, it is necessary to check and optimize multiple aspects such as computer configuration, software settings, video source equipment and video cables.
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