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it used to be that trying to hook up something to a tv or monitor was like

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dumping garbage onto a truck you'd plug in some analog cables and the tv would

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just show whatever it was sent if the picture looked off in some way such as

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having weird colors or being the wrong size it was up to the user to

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troubleshoot the problem but these days most digital screens and video sources

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will support a standard called extended display identification data or edited

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the purpose of edit is to allow devices to talk to each other and share

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information about their own capabilities so both devices are on the same page the

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basic way it works is that when two devices are connected by a protocol that

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supports edit such as HDMI or displayport the display will tell the

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source device its manufacturer model and supported resolutions and color spaces

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the source device will then take this information and output a video signal

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which fits those parameters which is part of how auto settings on something

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like a game console works once the source receives the edit information

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from your screen it can auto magically output the game at the correct

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resolution and color space and even enable HDR if appropriate

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or at least that's how it's supposed to work like many other things in tech the

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addition of processing to make setup more convenient introduces a number of

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things that can go wrong one minor annoyance is

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because edited data has to be processed at every point in the device chain

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you might experience longer delays if you're routing a source device through a

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receiver so be prepared for some black screen time when you first turn

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everything on but larger issues can also

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arise you see because modern interfaces like HDMI feature hot plug support

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meaning you can plug or unplug it while the system's running the connector has a

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special pin to detect when it's being hot plugged when a device detects a

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voltage on the hot plug pin it starts the edited process but sometimes devices

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don't read the hot plug signal in the same way as it can be implemented

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inconsistently so the edit exchange never happens and as a result you get a

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blank screen as one device in the chain may think it's not connected to anything

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but even if you're not struggling with your setup completely refusing to work

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equipment coming with incorrect edit information coded in is a more common

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problem than we'd all like a device like an av receiver might actually be capable

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of accepting a surround sound signal yes edit works with audio too but thanks to

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bad edit information an attached device like a set-top box or a blu-ray player

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might not send it along since that particular receiver doesn't say hey i

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can support dolby digital plus frustratingly this is often a firmware

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issue caused by programming oversights meaning that a hapless home user can't

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just easily fix this on their own and actually a similar

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culprit was behind the recent issue in which certain sony tvs couldn't display

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a dolby vision signal at 4k at 120 hertz

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which of course was disappointing for owners of a gaming pc or an xbox series

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x you see edit actually has character limits which appears to keep these

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displays from telling the video source what it supports because they just

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support so much stuff now other times devices might receive the correct edit

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information but not do the correct thing

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with it for example a computer plugged into a display knows through the edit

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that the display can support a large range of resolutions and a range of

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refresh rates but instead of picking the native resolution at the highest refresh

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rate possible it might default to something completely different meaning

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you have to go into the settings yourself and adjust everything which

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kind of defeats the whole point if you're having problems with edith there

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are special edit emulators that you can program yourself to ensure the correct

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information is being passed along but of course it's often easier simply to take

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a minute and check that the settings you can adjust are the way you want them

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it's a little annoying that we haven't figured out how to make edit work

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correctly without intervention every time but hey we also haven't figured out

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how to make self checkouts not totally suck so

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out at privateinternetaccess.com techweek so thanks for watching guys if

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you liked this video hit subscribe give us a thumbs up and be sure to hit us up

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in the comments section with your suggestions for topics that we should cover in the future