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    NUC6CAYH loses sound via HDMI passthrough every few seconds when 4K resolution is set

    HypnoDog

      I've got the following problem:

      NUC6CAYH - latest drivers. HDMI firmware v1.65

      Receiver: Yamaha RX-V681

      TV: Sony KD65X9300C

      Windows 10 x64

       

      NUC is connected to the receiver via HDMI. Video playback apps are configured in HDMI audio pass-trough mode.

       

      When the screen resolution is set to 1920x1080 everything is good and there are no issues with the sound.

       

      If I set desktop resolution to 3,840 x 2,160 which matches the resolution of of the TV the following problem occurs:

       

      If a movie is played with Kodi, every 20-30 seconds, sounds stops for a second or so. When this happens receiver shows that no sounds is coming via HDMI.

      If a movie is played with Plex, the same issue occurs, the only differences is when the sound stops, the receivers still shows icons for the incoming sound channels.

       

      The issue is extremely annoying and pretty much makes it impossible to watch 4K (in the native 4K resolution).

       

      Does anyone experiences a similar issue?

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