“Should this cable support Dolby Vision? I can't get it to work. HDR is fine but when I switch into Dolby Vision the video is glitchy and cuts out to black frequently. The Apple TV Setting for Dolby Vision says this mode "requires a high speed cable."”

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• Yes it should support it.

  Answered by jul55 6 years ago

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• Try an HDMI booster. Too many connections or too long a run can cause video problems. A 4’ cable alone isn’t your problem but if you have a series of cables and connections you could be losing strength.

  Answered by Uperdave 6 years ago

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