There are some very important features you&#;re going to want in your new AV receiver so it will work with TVs made in recent years, and TVs soon to come, plus all your video devices (Apple TV, Roku, X-BOX, and so on).
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4K & 4K Switching.
4K is the current best-possible, highest resolution video format for consumer video at home. With 4K, the picture is so detailed, you can sit right in front of the TV with your nose almost touching the screen, and the picture still looks great. (No "dots and/or lines&#; like we all used to see on older sets. Even on the biggest 4K TVs.)
With the cost of larger screens coming down, and we mean WAY down, that&#;s really important. However, to make it all happen, your AV receiver needs to be capable of switching 4K signals. If it is, you can send both sound and picture from all your video sources through your sound system and enjoy live performance-sound without losing any detail in the video.
Another feature to look out for: HDCP 2.2 support. HDCP 2.2 is the newest and latest copy-protection tech designed to stop people from illegally copying video content, particularly 4K content. Here's why it's important: If you try to watch an HDCP 2.2 copy-protected movie and your 4K Blu-ray player and/or AV receiver isn&#;t authorized to support HDCP 2.2 content, your screen will go black. Thankfully, all 4K TVs and receivers have at least one HDCP2.2 input.
Built-in Wi-Fi.
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Ideally, everyone would hard-wire (physically plug in) their TV to their home network, but that's not always possible &#; especially if you live in an apartment and can't run wires through walls. That's where Wi-Fi saves the day, allowing all the smart functions new TVs have for streaming movies, watching YouTube, etc. to work wirelessly through your network. We're beginning to see Wi-Fi built into audio systems for the same reason, so you can, for instance, stream music without having to physically connect your sound system to your router.
DTS:X & HDR Formats.
DTS:X is a new surround sound format designed to make home theater audio more immersive, not unlike Dolby Atmos. (Remember the old Mac vs. PC war? Same thing. DTS:X and Dolby Atmos are fighting for market dominance, but Dolby Atmos remains today the preferred choice.) The good news: most new AV receivers can play both formats.
HDR stands for &#;High Dynamic Range.&#; It&#;s how and why today&#;s newest TVs are so spectacular when it comes to picture technology. HDR on a TV generates higher contrast within the existing pixels, expanding contrast and color so the end result is more accurate and has more depth. There are three versions of HDR, two of which are available now: HDR10 and DV (Dolby Vision), and one soon to come: HLG. Though HDR10 is currently the most widely used format (iTunes, Netflix, and VUDU among others), many consider Dolby Vision the better format for picture quality. However, with so many other contributing factors (what TV it&#;s on, how the content was mastered in post production, etc.), it&#;s hard to say which HDR format is truly best.
How is HDR relevant to receivers? By making sure the receiver you pick is equipped to handle all three formats (HDR10, DV, and HLG), you can help future-proof your system.
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