HDMI is ready to embrace 8K resolution and other new picture technologies but it also requires a new type of cable to enable the 48 Gbps throughput. In the resolution department HDMI 2.1 supports 8K at 60 pictures per second as well as 4K at 120 pictures per second. The latter is also referred to
The Audio Return Channel in HDMI 1.4 enables a TV, via a single HDMI cable, to send audio data “upstream” to an A/V receiver or surround audio controller, increasing user flexibility and eliminating the need for any separate S/PDIF audio connection. TVs have always been able to receive multi-channel audio through an HDMI connection, and
The constant upgrading of video connections might be annoying for some consumers, but most appreciate that such evolution is essential if we’re to push the boundaries. And few upgrades were more significant than the introduction of HDMI, which heralded the age of digital television.