“Does the unit transcode from dolby digital plus to dolby digital. I have an old yamaha rx657 amplifier which accepts optical output only. The unit needs to allow me to extract the ac3 kernal from the eac3 dd+ format and output via audio extractor.”

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• Hello tomarnold! Yes - The Roku Ultra has a Dolby decoder. It will transcode/convert DD+ to DD for output via HDMI, either autoconfigured detecting DD ("Auto detect" or "Auto passthrough") or manually configured to DD.

  Answered by Roku Team 3 years ago

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• The Roku Ultra does NOT have an optical output. Assuming your TV has an optical output? The little information I could find on Roku's website showed this format: AC3/EAC3 (.MKV, .MP4, .MOV, .AC3) My guess would say yes, if your television has the output.

  Answered by hankg 3 years ago

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