RCA Cables – These are audio and video cables, distinct for their round color-coded plugs and sockets.This won’t be an issue for most people, however. While HDMI can support 7.1 surround sound, an optical cable only supports up to compressed 5.1 surround sound. Optical connection – This option uses an optical cable, which transfers sound digitally.eARC has much higher bandwidth, allowing for higher resolution and lossless audio formats like Dolby Atmos and DTS:X. HDMI eARC – eARC stands for Enhanced Audio Return Channel and is an advancement of ARC.One of the benefits of this is that you can control both devices with one remote.HDMI ARC – ARC stands for Audio Return Channel, and this allows for two-way communication where the TV and soundbar can communicate with each other.HDMI (High-Definition Multimedia Interface) – HDMI is an interface that can transmit compressed or uncompressed video and audio signals over a single cable, making it an easy and versatile way to connect devices.Check out how to fix a TV with no picture but sound to solve your problem. And if, after you connect your soundbar, you have sound but no picture, we have a great guide you can follow. You can choose to use your TV’s HDMI, like when connecting Chromecast to a TV. Soundbars usually offer a few different ways to connect to your TV. Most models of soundbars will follow the same general steps to get the job done. All you need is your TV, soundbar, and the appropriate cables. It’s generally an easy and quick procedure, like learning how to connect your TV to WiFi. On the other hand Dolby Digital is surprisingly good, and unless you have decent gear, you probably won't hear much (if any) improvement with Dolby TrueHD and DTS HD MA.STAT: Soundbars offer superior sound quality to almost any built-in TV speaker and are capable of surround sound depending on the model ( source) If your gear doesn't have HDMI, it can't take advantage of the high-resolution audio formats from Blu-ray anyway (unless you connect with analog, and decode from your Blu-ray player). The cables are cheap, and having just one wire simplifies setup. Most sound bars, for example, lack the fidelity to do anything with the additional resolution. On lesser gear, it's a lot less likely you'll hear a difference. On a decent system, with decent speakers, you might notice that the high-res formats are a little more open, a little smoother sounding. While there is a difference between Dolby Digital and those high-res lossless formats, the difference isn't as pronounced as you might expect. Regardless of the gear you use, as mentioned there's also no way to get Dolby TrueHD or DTS HD Master Audio with an optical connection. Neither of those sound bars have HDMI inputs anyway, so the best way to connect them is directly from the source to the bar via optical, skipping the TV. One complication is if you have a sound bar, like the Sonos Playbar or Vizio S4251w-B4, that benefits from a surround sound signal and you connect it to one of the many TVs that can't pass such a signal via its optical outputs. For most setups, the sound will be just as good with optical as with HDMI. Don't sweat not being able to connect with HDMI. Maybe you have everything connected to your TV, and you just want to get the audio out to a sound bar (and the only option is optical). So if you want just a single cable between two devices, HDMI is your pick.ĭepending on your gear, you might not have the option for HDMI. In terms of simplicity, HDMI also passes video signals. These formats can't get transmitted across optical. The biggest difference is that HDMI can pass higher-resolution audio, including the formats found on Blu-ray: Dolby TrueHD and DTS HD Master Audio. Both can pass multi-channel audio, like Dolby Digital. Both are better than analog (the red and white cables). But if you can't it's not the end of the world.īoth HDMI and optical pass digital audio from one device to another. The simplest advice is to go with HDMI when you can. When it comes time to connect your shiny new sound bar or AV receiver, your two main choices are HDMI or optical digital audio.
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