Video Asylum

TVs, VCRs, DVD players, Home Theater systems and more.

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HDMI connections and picture quality

Posted by TGT on January 21, 2015 at 11:13:25:
For the past few weeks I noticed intermittent bursts of digital noise on my HD TV. Geoffrey Morrison of CNET described it as sparkles. I assumed it was coming in on the feed from my cable provider (U Verse) but since it was intermittent I hesitated to call tech support. I did some research on the web and one suggestion was to check my cable connections. I didn’t think this could possibly be the cause because I did have a picture, and I believed with digital technology you either have a picture at its maximum quality or have no picture. But I did check and found two plugs on my HDMI cables connected to the TV that were plugged in (obviously) but not all the way. Well, after pushing them in all the way the sparkles never reappeared and the picture quality improved.
As an audiophile, I know that cable quality can have an effect on analog signal transmission but I didn’t think that was the case with HDMI cables since they transmit ones and zeros. Well evidently, a poor connection can affect that sequence of ones and zeros.