Note that an active cable doesn’t boost image quality but cuts down on errors. Some of these active cables have to be plugged in a certain way to work properly, as plugging them in the ‘wrong’ way round will introduce some errors. This helps with longer cable runs (say more than 5m) or lets you use a thinner HDMI cable. If HDMI cables don’t have any processing in them, how come you can buy active cables, which can only be plugged in one way?Ī. Active cables draw power from the HDMI port to power a signal booster. Of course, that’s nonsense and we’re stuck with Dan Brown’s prose and HDMI cables that can’t touch image quality. Think of it another way, if HDMI cables can improve the quality of a picture, could a more expensive SATA cable make a word document better to read? Imagine Dan Brown buying a £2,000 SATA cable and opening up his latest novel to find out that it had been transformed from his usual quality into Dickensian beauty. ^If HDMI cables can improve foliage, how can they tell the difference between the trees, the blankets and Kermit? The main gist of what you need to know, though, lies in the fact that you're always much better off spending your money on a budget Amazon cable and saving a heap of cash in the process. The second part, at the bottom of this article, is an in-depth analysis and explanation of why you don't need to fork out so much on HDMI cables. Firstly, we've got the theory of why HDMI cables are largely similar to each other, including plenty of scientific explanation. For your benefit, we've split the article in two. We've been pushing the subject for quite some time now, in an attempt to shed some much-needed light on the debate. Plenty of our readers agree with us, including one who filed a formal complaint with the Press Complaints Commission against a magazine stubbornly professing their love for pricey HDMI equipment. As you could have guessed, we feel this is incorrect. Sure, there are fewer pointless HDMI cable reviews online now, but this lengthy fight is still ongoing, and it's a fight we're willing to win.ĭespite our rigorous testing, we're still frequently reading in tech and Hi-Fi publications about the virtues of expensive HDMI cables and how writers claim they notice a big difference. Sadly, people are still buying overpriced HDMI cables in droves, spending far too much money than necessary, believing they'll get far better quality video. Contrary to popular belief (and misinformation) HDMI cables don't actually make all that much difference in overall picture quality.
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