Why does HDMI signal transmission lead to flickers and noise?

The problem is caused by the decline of the signal transmission quality, which often results from the quality problem of the HDMI cables or the length of the cables. To solve it, you can replace HDMI cables, or take adding a signal amplifier or long-line transmitter for consideration for signal transmission if there is long distance. And our company offers the professional HDMI signal transmission amplifier and Optical Fiber transmission amplifier.