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What do i need to know about HMDI cables beore buying? (lemmy.world)

submitted 8 months ago by LunchEnjoyer@lemmy.world to c/asklemmy@lemmy.ml

44 comments fedilink hide all child comments

Hiya!

This is probably more simple than what I'm making into, but I want to be sure, so here we go:

Currently in the market for a good HDMI cable, however, I am curious as to what I need to know (as I know nothing about these cables) before buying one. So my use case for this scenario is a 3M long HDMI cable that will connect my desktop(Nobara or Bazzite) to my TV (that has Nvidia Shield). This is for easy access to couch gaming. My desktop has a RX 6700 XT card, but unsure about the specifications of the TV other than it being a 70inch one (can try to find this if its relevant), but I am not looking to stream 4k. So let me know what kinda specs/details i need to look for in a HDMI cable for this :)))

PS. I tried setting up Sunlight + Moonlight, but honestly seemed like a bit too much configuration for my liking, but might give it a go again later on. I've also only got access to medium-speed Wifi atm, so this isn't optional.

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[–] cowfodder@lemmy.world 12 points 8 months ago (1 children)

Just because it's a digital signal doesn't mean "it works or it doesn't". If the cable you chose can't handle the bandwidth necessary for the audio and video signals you're trying to push through your equipment will automatically start degrading the signal slightly to maintain sync and connection. This will start with white clipping and black crush and will get worse from there.

Truly shitty cables will often have DHCP and AV sync problems.

[–] towerful@programming.dev 7 points 8 months ago (2 children)

DHCP problems, huh?

[–] cowfodder@lemmy.world 4 points 8 months ago

Oops. HDCP

[–] ArtVandelay@lemmy.world 2 points 8 months ago

If you don't get signal in however long the TTL is, your lease expires.