HDMI 2.0 cables are critical for any home theater with high-end surround sound. This added both support for High-Bandwidth Digital Content Protection (HDCP), a feature for legally playing back copyright-protected content, as well as the ability to use object-based surround sound formats like Dolby Atmos. It can support 4K content (so long as it’s 30 frames per second, like most TV content), 3D Blu-rays, and even HDMI’s Audio Return Channel (ARC), which allows you to send audio from the TV back to an AV receiver or soundbar. HDMI 1.4Īround since 2009, this is the most commonly used standard in HDMI cables. Currently, there are three versions of HDMI available. That means that every few years a new version of HDMI comes out that enhances functionality, which is great news for fans of new standards like 4K and high dynamic range (HDR), but it also means that you need to pay attention to which version of HDMI a cable supports. HDMI is a standardized physical interface, but how we use HDMI cables has evolved as new versions of HDMI technical specifications have come out. Swapping in a high-quality cable is easy, and it could make a big difference. If you think your TV’s image isn’t as good as it can be, start by replacing the HDMI cable. Low-quality HDMI cables can degrade TV picture quality.
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