If you're watching a show or movie, especially something that's newer, on a smart TV that's much older, there may be compression issues causing sound to be muffled or indistinct. A streaming ...

Optical, RCA and coaxial may still compress audio due to limited bandwidth, which reduces sound quality. This isn't an issue with HDMI. This is why it's important to buy the correct cables. Otherwise ...

This will also be the case if you connect via the HDMI ARC port. You might also see eARC. It's the same as ARC, but supports higher resolution picture and higher fidelity sound, so use that if you've ...