vizio soundbar

I have a Hisense U7G Android TV. I connected it to the Samsung Q600A sound bar through HDMI ARC to the eARC port on the TV. I noticed that it takes a few seconds of the content playing for sound to come out of the speaker. Or when I play a video after pausing it, it takes a few seconds for the...

I'm not having any luck connecting my Samsung UN46C6400 TV with my Vizio SB3821 soundbar with the optical audio cable. In the TV audio settings, I set "Speaker Select" to "External Speaker" and "Audio Format" to "PCM". On the soundbar I've tried auto-selecting the input and manually selecting...