Hi @RokuEmmanuel-D,
No I am not using an optical cable, as infered by my previous messages talking about issues happening through HDMI cable and testing several of them - but indeed, better double check.
No I have no other TV to test the streambar with.
Also today I connnected the previous soundbar to the TV, had 0 issues with still the same TV and same cables and sources of video/audio, same typical use.
Based on the feedback from the team "actively working on it" (what are their current observations and tests done?), I understand that I don't have any hopes of the troubleshooting to happen seriously, hence will launch the return procedure of the product.
Best,
Jonathan