Skip to content

HDMI 2.1 Explained – Everything You Need To Know



Today, I am going over everything you need to know about the HDMI 2.1 Spec. This includes both the Port and the Cables. Includes information on the History of HDMI, Correct Setup, HDMI 2.1 Specs including Color Depth, Dynamic HDR, Source Based Tone Mapping (SBTM), Enhanced Audio Return Channel (eARC), Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR), Quick Media Switching (QMS), Quick Frame Transport (QFT), and Fixed Rate Link (FRL). Followed by HDMI Cable Shenanigans, and Symptoms of a Bad Cable. If you have any questions let me know in the comment section below.

——————-

LINKS:
HDR Explained – “4K TV Technology Explained – Breaking Down All That JARGON”

Tech Quickie – “All HDMI Cables Are NOT The Same!”

Linus Tech Tips – “I Spent a THOUSAND Dollars on HDMI Cables.. for Science”

——————-

TIMESTAMPS:
Intro: 00:00
1. Brief History of…