Q: What is ARC?
A: The (ARC) Audio Return Channel in HDMI 1.4 enables a TV, via a single HDMI cable, to send audio data "upstream" to an A/V receiver or surround audio controller, increasing user flexibility and eliminating the need for any separate S/PDIF audio connection.
TVs have always been able to receive multi-channel audio through an HDMI connection, and this is still a typical use-case, with the TV positioned "downstream" from content sources and any connected audio equipment. However, if a user had a TV with a built-in tuner or DVD player, and wanted to send content "upstream" from the TV back to the audio system, a separate connection had to be installed, typically an S/PDIF cable.
Q: This product has CEC, what is CEC?
A: This product features CEC (Consumer Electronics Control) allowing your HDTV's remote to manage up to ten devices that are connected via HDMI (such as Blu-ray Disc players or home theater receivers) with no special programming needed. For example, you can use your remote to turn on your TV, your player, and your receiver at the same time, and adjust the system volume with one button. All devices must support CEC, though.
Most major TV manufacturers now support CEC, and an HDTV with HDMI 1.3 will likely have the technology. Manufacturers call it by different names; LG Electronics, for instance, calls its implementation SimpleLink, whereas Toshiba calls its version CE-Link. Interoperability isn't mandatory, so some manufacturers limit control to their own products; Sony, for one, allows only Sony-to-Sony communication.
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Questions & Answers
Ask a question about the 4K 4x1 HDMI Switch w/Separate Audio & ARC or Call 833-WOLFPACK (833-965-3722)
Q: ARC doesn't seem to be working, can you help?
A: Try this:
Make sure you are installing HDMI 1.4 cables that include ARC, see our specs at HDMI cables with ARC
The TV must support ARC and it must be turned ON ARC ON
The unique TVs HDMI input must say it supports ARC
Set the AV receivers or other device to ARC ON
Turn any CEC ON
Leave any EDID at its default
4K 4x1 HDMI Switch w/Separate Audio & ARC
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