How does HDMI 2.1 active optical cable improve picture quality?
An HDMI 2.1 active optical cable is a shielded hybrid fiber & copper cable connected to an HDMI port standard. ARC technology enables them to transmit audio and video in either direction, which makes them great. Because of signal attenuation, HDMI cables have a maximum length, and newer standards like HDMI 2.1 cables are quite