Optical cables don't carry Atmos, however.Ĭonnecting a source like Blu-ray directly to the receiver/soundbar has another benefit: Doly Atmos, Dolby True HD and DTS Master Audio. If your TV doesn't support 5.1 passthrough, you can either connect that source to the receiver directly, or you can connect the TV and receiver with an optical cable. Keep in mind that this issue is only relevant if you have a 5.1 source, like a Blu-ray player or game console, and you're trying to send that device's audio via ARC from the TV to a receiver. Our friends over at have an extensive list of what TVs do what, though it only goes back to 2017. Some existing TVs can still do 5.1 while other TVs will output 5.1 via the optical output, but not ARC. TVs that can do this are said to have "5.1 passthrough." This restriction helped lead to the creation of eARC which we'll discuss shortly, but it enables external speakers to playback both 5.1 channel and Dolby Atmos. In other words, if you're watching a movie on Blu-ray with 5.1 Dolby Digital or DTS and it's connected directly to your TV (Setup 1, above) your receiver might only be able to get 2.0 audio. Technically, TVs aren't allowed to send 5.1 audio over HDMI. Some soundbars like the Vizio Elevate offer Dolby Atmos sound over eARC, as well as a second (or in some cases third) HDMI input Ty Pendlebury/CNET Issues with 5.1Īs great as ARC can be, there is one big issue: 5.1. But in the end, this control aspect just might not function. It could be as simple has having to turn on your gear in a certain order. If it doesn't work, though, Google might help. You might not be able to realize the dream of using one remote, unless you get a universal remote control. If there's any aspect of ARC setup that's going to cause you agony, it's this. However, there's no guarantee it will work, especially across different brands or ages of gear. For instance, in Setup 1 above, your TV's remote can adjust the volume on your soundbar. In theory, CEC will let the remote from one piece of gear to control another, as long as they're connected with HDMI. Nearly every company has their own name for it, including SimpLink, Anynet+, BRAVIA Sync, and others. HDMI CEC controlĪnother HDMI feature is called CEC, or Consumer Electronics Control. You'll only use your TV's remote to turn the TV on, and access any apps built into the TV. You will switch between your sources and adjust the volume using your receiver/soundbar's remote. In this setup, your receiver/soundbar is the central hub of the entertainment system. Some budget soundbars might not have enough HDMI inputs for all your sources, in which case you'll have to use Setup 1. Using a receiver or soundbar as an HDMI switch: Connect the Blu-ray player or game console to the receiver or soundbar, then a single cable to the TV. We'll discuss this more in the "Issues with 5.1" section.Ģ. This is more of a problem if you are using a surround receiver instead of most soundbars (which typically can't playback 5.1). The potential downside of this setup is you might not be able to get 5.1 or higher surround sound. This setup lets you use your TV's remote to switch between the Blu-ray player and game console sources, and in most cases, you can use your TV's remote to control the volume. The TV becomes the central hub of your entertainment system. Using the TV as an HDMI switch: Connect the Blu-ray player and game console to the TV, then connect a single HDMI cable from the TV to the soundbar.
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