I have also updated, via USB as doing it via the TV... didn't provide any update. I have switched my Virgin Media Tivo box back to Dolby Digital, rather than Dolby via PCM, and I still notice a slight sound delay. I'll have to revisit my soundbar settings to see if I have changed any config, but... if I haven't, then I don't see a vast improvement, nor have I found anything in the settings page.
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