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Valve: HDMI Forum Continues to Block HDMI 2.1 for Linux
(www.heise.de)
This is a most excellent place for technology news and articles.
Unfortunately it not only has to be companies, but unless you are a producer of products that are HDMI certified already your membership will be denied. It would take a lot of fuckery to make that many corporations and not have all of their membership applications be denied. Also I'm not sure that it's even a voting democracy in the traditional sense even if you could.
Don't you just need to setup a run of HDMI devices and have 80 companies invest together as a group for manufacturing, then have each company put their own sticker on it.
While doing that for 80 companies is not feasible I doubt all 80 members are opposed. Valve and AMD could talk to video card, monitor, laptop and handheld makers to pad the membership enough.
As for the democracy question a quick skim of their bylaws suggests it's close enough.