4 of the best wireless HDMI transmitters, according to experts

If your streaming device is too far from your TV, or you want to connect a device to multiple TVs, here are some of the best ...
Ars Technica

Computer audio over HDMI into HDMI ARC input?

I've been trying to get my laptop to send audio over the HDMI output into the HDMI ARC input on a new amp. Didn't work with the 11yo v1.2 cable I'd been using but also doesn't work with the one ...