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We use a few bits of tech lingo that the average consumer—that’s you, reader—might not know the meaning of. If you’re asking What is HDMI eARC? or What do soundbar channels mean? or even What the hell is Dolby Atmos?
Well, here’s a little glossary for you.
HDMI eARC – This is the grandchild of your classic coaxial cable. It stands for Enhanced Audio Return Channel, and it works within its specific type of HDMI connection. It’s HDMI with better speeds, which makes the whole process of audio transfer from streaming, to TV, to your sound system go a lot more smoothly.
Soundbar Channels – Here, we’ve got 5.1.2, 5.0.2, and 7.1.4. Each follows a formula, left to right. First number means how many speakers the soundbar has. Second number is the number of internal subwoofers. (Not as big a deal here, they all have external subs.) Third number is how many upward facing drivers you have. (Upward facing drivers are better for surround sound.)
Dolby Atmos – The standard bearer for surround sound tech in 2024. You can find it in just about every TV speaker made these days. It’s just a lot of tech stuff that gives you top of the line spatial audio—meaning sound that feels real.
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