Just recently purchased a Panasonic 50DX802B 4K TV. My current audio set up is everything going into the TV via HDMI and than Audio out to the SONOS Playbar, Sub & two Play:1's, i.e 5.1.
My issues start with HDMI 5.1 passthrough to optical out. Theres is an unusual, un-bearable delay where the audio is after the video. Unfortunately the SONOS lip-sync only works for video after audio.
5.1 audio from the built-in apps are fine with no lag and also with PCM/Stereo so its seems isolated to HDMI passthrough to optical.
I know they're solutions with an HDMI switcher etc and I will be trying an audio extractor via ARC later in the month. (something like this http://www.octavainc.com/HDMI-Audio-Converter-EDID-Manager.html). The guys over at AVforums have also confirmed the same issue with their TV's.
I've seen positive results here, where SONOS have worked with Samsung etc to fix issues, I wonder can SONOS do the same with Panasonic (I've tried!)?
Has anyone used that ARC audio extractor with good results?
cheers in advance for your help