What’s better for sound HDMI or optical?

Does HDMI ARC have lag?

Change the audio format on your TV In my experience, this lip sync problem is most common when sending audio from your TV to your soundbar using HDMI ARC or optical out. … I've found this fixed the audio delay on all my TVs.

Is HDMI an optical cable?

Both HDMI and optical cables pass the digital audio from one device to another. … The major difference is that HDMI cables can pass higher resolution audio which includes formats found on Blu-ray like Dolby TrueHD and DTS HD Master audio. Fiber optic cables won't be able to transmit these high-res sound formats.

Why do soundbars only have 1 HDMI?

The optical cable is basic stereo only. HDMI ARC "" allows you to connect all of your sources, (BLu-ray, Cable Box, game console, etc. ) to your television and bounce the audio signal out to a sound bar via an ARC HDMI port. This way, the TV is the hub and only one remote control is needed.

What is the best audio delay setting?

Samsung – Recommended TV Audio Settings

SPDIF Output: Menu → Sound → SPDIF Output → Audio Format → Set to PCM
Audio Delay: Menu → Sound → SPDIF Output → Audio Delay → Set to 0
Speaker Settings: Menu → Sound → Speaker Settings → Speaker Select → Set to TV Speaker
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