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Can someone please explain this HDMI shit to me? Why are we replacing

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Thread images: 21

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Can someone please explain this HDMI shit to me? Why are we replacing what has worked perfect for decades?
>>
>>47029908
>why is technology progessing!!!! wwaaaaah!!!
>>
>>47029908
When did /g/ become the luddite board? I blame >muh GNU tards
>>
Projectors in my University/Workplace still use VGA tho.
>>
>>47029908
HDMI transfers Video and Audio, its the only advantage.. Otherwise, fags will argue that having pure digital signal will be better than having an analogue<->digital signal transfer
>>
>>47029991
It's a shit University/Workplace

/thread
>>
Because VGA does video but HDMI does video+audio.

It cuts down the number of cables you need to use by 50%.
>>
Analog VGA was designed to CRT monitors. You need extra AD-DA steps and sync to display on TFT. Also, analog signals can collect noise so shielding/grounding is critical.
>>
>>47030005
Basically all projectors in my school still use VGA.
Also you can't thread yourself.
>>
>>47029908
digital > analog
>>
>>47030034
its not like digital signals don't catch noise
>>
Because with VGA the signal looks like vaseline covered shit unless I push the auto-adjust button every time but with HDMI it just werks
>>
>>47029908
because HDCP
>>
I don't know man, people are stupid.
I mean, dying from cold and eating raw meat worked perfectly for decades before this FIRE shit.
>>
>>47030058
It's much easier for analog signals to catch noise, especially if they run close to power that is operating on a different frequency, it could introduce a ground loop. HDMI in particular has sync redundancies built in and sends an uncompressed video signal anyway so the quality point is completely moot. If anything VGA can not have quality on par with HDMI since they both originate from digital sources in the first place.

Analog inferior, digital stronk
>>
Because my monitor looks like its driving down the street with those annoying moving lines.
>>
>>47030140
are you trying to teach me? nigga, i am an engineer
>>
>>47029908
signal degradation over cable length, limited bandwidth, only video also hdmi sucks it's all about DP 1.3
>>
>>47030212
>communitycollegeengineeringdegree.png
>>
>>47029972
I want to kill these neo-4chan redditors
>>
>>47030231
Uni Göttingen
>>
>>47029908
because HDMI is HD, and I love HD
>>
Displayport > HDMI > DVI > VGA > S-Video > Composite
>>
>>47030212
>I am an engineer
>Anonymous

Ok.
>>
>>47030246
>third world country
>>
>>47030279
your face is third world
>>
>>47030268
based VESA literally saved us from shit connectors with DP
>>
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>>47029908
>he still willingly uses VGA
>he's actually such a retard he defends it
>>
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Welll... hdmi is obsolete now, sorry.
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>>47030342
>>
Because we need DRM protection.
>>
>>47030342

Maybe in the future. The reality is you need to use hdmi or dp adapter to use with usb 3.1.
>>
>>47030003
Yeah, and I've never gotten ground loop interference on an HDMI cord, can't say the same for VGA.
>>
It was fine in the days of CRT monitors, but now that everything is digital, it only makes sense that the signal sent to the monitor would be purely digital as well. Otherwise, you'd be going from digital to analog back to digital again.

That said, I still use a CRT monitor as a secondary, so VGA still has its uses for me.
>>
>>47029991
Replacing all of it isn't cost effective. Schools have budgets.
>>
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>>47030268
>2015
>Not using a Displayport
>>
>>47030549
>3/2015
>Not using TWO Displayports
>>
>>47029908
because VGA can't into DRM
>>
>>47030279
>germany
>third world
choose one
>>
>>47030268
>that thick unergonomic connector

Why are companies still so shitty at making their tech save space?
>>
i still haven't seen a displayport monitor/cable irl
>>
>>47030641
We will get you there :^)
>>
>>47030704
fuck you greek scum
pay your debts
>>
>>47030316
Quality post, kill yourself
>>
>>47032594
Nothing wrong with that post. OP's a dumbass.
>>
am i the only one who's never seen any noise or artifacts using VGA? when using HDMI however it's rare that there isn't some form of noise/artifacting somewhere on the screen after continuous plugging and unplugging that bitch for a few months. 2/3 of the HDMI ports on my TV don't even detect a connection anymore but that might just be the shitty TV.
>>
>>47030212
>are you trying to teach me? nigga, i am an engineer

>An Appeal to Authority is a fallacy with the following form: Person A is (claimed to be) an authority on subject S. Person A makes claim C about subject S. Therefore, C is true.

http://www.nizkor.org/features/fallacies/appeal-to-authority.html
>>
>>47030212

Ya, and I'm an engineer too. Pic related.
>>
>>47029908
hdmi can do more than just video signal. it can be actually used for networking and other things.

plus, it's a digital signal with data integrity control measures, so it's like improved dvi.
>>
>>47032594
No OP, you are the faggot. Please go kill yourself for being a hindrance to all mankind.
>>
>>47030641

Germany is very third world, actually.
>>
>>47033074
What the fuck is that?
>>
>>47029908
Because hdmi is proprietary and they have money to push their interests on people.
>>
Because monitors didn't have DRM built in, and this was problematic for hollywood.

Also, Since we've mostly transitioned to LCDs, it makes sense to use a digital connection, to avoid an extra conversion.

But don't use HDMI crap.
Use the open display port.
>>
>>47030268
Why would I use HDMI over DVI if I only plan on transmitting video?
>>
>>47033156

Strut tower in a car. IIRC the anon that posted it on /o/ was aiming to lower their car and did that.
>>
>>47030268
Displayport > DVI >HDMI > VGA > S-Video > Composite

At least DVI doesn't have to have the DRM.
>>
>>47033099
HDMI video == DVI video
>>
>>47033099
>so it's like improved dvi.
Yeah, improved with DRM.
>>
>>47030268
>HDMI > DVI
>HDMI has mandatory DRM
>HDMI couldn't do 120Hz or 4k until versions 1.4 an 2.0 respectively, while DVI supported them from the start
>>
What are the benefits of DisplayPort over DVI and HDMI?
>>
>>47033227
>mandatory
What am I reading
>>
>>47029972
>>47030241
>Linux usually tries to early-adopt new technology standards, especially when their developers willing work with them or give them information so they don't have to be reverse-engineered

> FUCK DEM FREETARDS HERPA DERP
>>
>>47030058
>>47030140
>>47030212
>>47030246
>Uni Göttingen
If you really are an engineer kill yourself. How do you not understand the benefits of digital over analogue!? A digital signal does suffer from noise but it can be error corrected provided the digital signal is in some way redundant. An analogue signal gets displayed as is, so you see the noise if there is noise present. Digial signals may also have noise, but after the error correction has been applied to get a perfect signal. If there is so too much noise the signal will fail entirely giving you no pictures. In reality data is send in small packets and decoded packet by packet so when the decoding of a packet fail you get a faulty patch on your screen (eg when you satallite dish is blown in the wind).

The advantage is once you get a sigal with say less than 30% noise it can be corrected back to a perfect noiseless signal. That is why digital is fundamentally better than analogue although certain digital standards are poorly implemented (eg HDMI).

>>47030491
Wrong, that is not the reason
>>
>>47033134
>Germany is very third world, actually.
What slum did you visit? 90% of germany is better developed than murica.
>>
>>47030023

Increases DRM by 1000%
>>
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>>47029908

When buying HDMI cables, I would recommend the best HDMI cable possible.

Cheap cables will cause data loss.
>>
>>47030268
>Displayport
>Can't do 144hz at 1080p

Top pleeeeb
>>
>>47035758
Am I being rused?
>>
>>47035758
>>47035904
You are absolutely being rused. No one would buy that silly AudioQuest Diamond HDMI cable. Everyone knows that you should at least get solid silver conductors and carbon fiber shielding.
>>
> ITT: Faggots who've never seen a datacentre

Fuck this HDMI and DVI bullshit, VGA *just works*.
>>
>>47036319
Thanks, I was planning to upgrade my TV setup and I wasn't sure if I needed a good cable or not.
>>
>>47033228
Displayport is royalty-free, which HDMI is not. Displayport doesn't have an obnoxiously huge connector, which DVI has.

Displayport can do tricks like connecting multiple monitors daisy-chained to one port. It also tends to support higher resolutions than HDMI, but only because devices are very slow to adopt the newer HDMI standards.
>>
>>47033190
This exact order.
>>
>>47033926
the problem is:
the internet is "Neuland" here ...
>>
>>47036352
Pretty much, most businesses environments that don't need anything better (most don't) don't give a shit. Most college in the US still use it too. I work part time with my college and we deploy brand new projectors all over campus. We hook every laptop and desktop via VGA despite them having two HDMI channels presumably because VGA is cheaper (also the moron English teachers can't figure out how to pull them out and come bitching to us, unlike DP and HDMI) and there's no real need to give a shit for only 1080p monitors. They're real common too which is nice . Which is the same reason we still use Composite/RCA for all the DVD/VCRs.
>>
>>47033074
/o/ pls stay
That pic makes me shutter every time. Some spic is driving that thing among us.
>>
>>47029972
You realize that Linux generally adopts newer tech first, right? Linux had a generic blu-ray drive driver years before Windows.
>>
>Laptop I got as a gift doesn't have a VGA port

Goddamnit.
>>
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Daily reminder that VGA is a NSA botnet
>>
>>47036393
just incase you're serious, don't seriously get expensive hdmi cables, they're digital. any cheap cable will do, if you get a picture, then it will be 100%
>>
>>47030581
> 15th March, 2015
> Not using 4 2560x1600 DP monitors.
>>
>>47040224
Nigga you crazy? WTF do you think HDCP is?!
>>
VGA is terrible quality compared to HDMI and display port, m8
>>
>>47033926
Da hat jemand aber noch nicht den Ruhrpott gesehen
>>
>>47030058

nice one, you made people reply. Didn't even need to post the 3000$ hdmi cable
>>
>>47029908
Can someone please explain this automobile shit to me? Why are we replacing what has worked perfect for centuries?
>>
>>47040538
>$3,000 hdmi cable
>not the $14,000 hdmi cable

Haha stay poor pleb

http://www.amazon.com/AudioQuest-Diamond-52-49-Braided-Cable/dp/B00IL3TZSQ/ref=pd_sim_sbs_e_1?ie=UTF8&refRID=1ATZX3J8BC4XNDNYAJWF
>>
>>47040826
>Plebs actually like to arrive at their destination in an hour instead of days

top kek
>>
>>47029908
>VGA
>worked perfectly
nope
>>
>>47040826
It used to be, back in my day, that the horses towed the wagon.

Now the wagons tow the horses. Everything is so... backwards.
>>
>>47036352
How does that not make VGA inferior ?
>just works
>my shitty office is still using WinXP, why is it inferior?
>>
>>47029908
hdmi has a few advantages;
- digital, while VGA signal quality can be very good, this is still better
- audio transport, no need for other cable(s) to transport audio, great for things like media centers and bluray players
- CEC, a communication system that allows hdmi devices to communicate, allowing things like controlling a media center by using the TV's remote (the TV can pass things like "play" to the media center through the hdmi cable), as well as power signals (perhaps you want your bluray player to turn on when your tv turns on, and off when the tv turns off, you can do that, too)

in many places VGA is still fine, and it even still has the advantage of longer cable lengths
>>
>>47030226
Yet using an HDMI cable gives me worse image than VGA when i plug my laptop to my second monitor
>>
>>47040904
PEBKAC
>>
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>>47035788
wat?

I'm running DP right now faggot.
>>
>>47040904
That just means you're stupid.
>>
>>47040904
This is a problem with Nvidia drivers, they haven't figured out how to do full range RGB output by default.
>>
>>47029908
I just got a gtx750ti has no dvi-i output only dvi-d so i can't use dvi-to vga convertor (my monitor only has vga) i connected to vga port on the card, it's like shit waves on screen colors washed out so stick with dvi or hdmi vga is shit.
>>
Because "MUH DRM"

HDMI is actually pretty shit, I wish they pushed DisplayPort more since it's an open standard (and HDMI isn't)
>>
>>47035788
are you mistaking it with hdmi 1.4?
>>
>>47040881

There's a reason why the vast majority of servers ship with VGA only - it's more reliable, more widely available (crash carts and KVMs), and POSTs faster (inb4 xFire and xServer c2t bullshit). For those of us who aren't autists or neets and have shit to get done, reliability is way more important than

> muh sharp pixals

XP isn't reliable anymore, which is why it's shit.
>>
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>>47040967
This was added in recent drivers, but for some reason it still defaults to limited range.

Don't they know most people won't know to check this shit or what it even means, and they'll think they're stuck with shitty washed out colours?
>>
>>47039659
>years before Windows
Ain't MS still salty about HDDVD?
>>
>>47041069
I remember some thread somewhere where quite a few retards were running 120/144hz monitors on 60hz because they hadn't checked in the drivers for that option.
>>
>>47029908
VGA does not "work perfectly".
>>
>>47030268
how is minidisplay port?
i just found out i have 2 mini displayports on my video card and i want a second monitor so id need to use one of those ports
>>
>>47040872
whoa....
>>
>>47041032
VGA gives you better performance over DVI ?

>XP isn't reliable anymore, which is why it's shit.
It's shit because something better exists.
>>
>>47041101
like dp but not as good
>>
>>47041032
>There's a reason why the vast majority of servers ship with VGA only
>keeping up with shitty arguments and logic
Guess 1366x768 is the best resolution for >17" panels.
>>
>>47041172
i know you're joking but i've been pissed for years that people think 1366x768 is a good resolution for ANY size. i mean we have fucking 15" laptops at 1366x768, jesus
>>
>>47041167
is it better than dvi?
>>
>>47033218
drm is the annoying side effect.

hdmi can be extended with various data integrity checks and has good symmetric bandwidth.

also, CEC is useful extension and HEC seems like potentially useful thing.
>>
>>47041191
It's not unreasonable for 11".
>>
One cable to transmit video and audio, including surround sound codec's and non-shit resolutions?

OP you dun goof'd
>>
REMINDER VGA NO HAVE SOUND
NO SOUND
>>
>>47040506
>Ruhrpott
Nigger, I'm from Essen. The Ruhrpott isn't third world at all. If you are from the shithole Bochum, I'd understand why you think that way though.
>>
>>47036449
>Displayport can do tricks like connecting multiple monitors daisy-chained to one port
I'm pretty sure you can do the same with a DVI splitter. Granted, that is only two or three displays, but still.
>>
>>47033926
Went to Berlin last summer. The downtown area around Brandenburger Tor looked dandy as fuck, and I really enjoyed the architecture, but the area where our hotel was (Franklinstrasse, at Spree), looked like a run down third world turkish shithole.
>>
>>47041815

Why do you give a fuck about sound? Do you plug your headphones in your monitor? If so, you are pretty retarded.
>>
>>47040170
>New laptops arrive for our users
>They only have a mini HDMI (wasn't me who ordered or checked the specs)
>We had JUST barely made them understand how you connect a VGA cable
>Now we can start all over with the mini HDMI

God fucking damn it..
>>
>>47030003

There are many more advantages to HDMI over VGA.

HDMI cable runs can be infinitely long with repeaters, VGA suffers from ugly degradation the longer the cable run, not even mentioning the analogue interference most cables can suffer even at >3M lengths.

VGA maxes out at 2048×1536 @ 85Hz (but good luck finding a monitor that can display it)
HDMI 2.0 supports up to 4096×2160 @ 60Hz and is a continually evolving standard so that will only improve as the display technology improves.

VGA supports a maximum of 16 bits of colour resolution per pixel, HDMI supports 24 bits per pixel, with multiple colour profiles such as sRGB as well as 4:2:2 or 4:4:4 YCbCr.

HDMI is a much more compact and easy to use connector too, how many times have you flipped a VGA connector over a bunch of times blindly trying to connect it? And fucking screws to secure it? It's not even designed to be hotpluggable for fucks sake.
>>
>>47029908
Back in 1995 we had analogue monitors which needed analogue signals. Our computers supplied digital signals; the VGA cards had to convert those to digital.

Now we have digital monitors. Sending them digital signals, and not converting d->a->d is the big idea.
>>
>>47030342

USB is still not a video transmission standard.

USB 3.1 Type-C uses the USB as transport for Displayport 1.3 video.
>>
>try to connect vga/dvi cable
>end up disconnecting the card
>have to reboot after that
Fun
>>
>>47042169

Learn to screw in your PCI-E cards, nooblet.
>>
>>47042134
>VGA supports a maximum of 16 bits of colour resolution per pixel
VGA has no hard limit on color depth, it's analog
>>
>>47042060
Why that? What's the problem with plugging the headphone into the monitor?
>>
>>47043330

Monitors have really shitty dacs
>>
>>47040224

Uh-hu. Absolutely no way the co-opted HDCP in HDMI so yeah totally safe and secure that way.
>>
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On the subject of HDMI why can't my laptop project to HDMI?
Other laptops seem fine and I checked with different cables.
It's HP laptop with core i5 intel cpu and Nvidia GPU running windows 7.
>>
>>47044300
Can it connect to anything via HDMI? Maybe your HDMI port on laptop is broke
>>
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>>47044403
New laptop, and it have only the HDMI port.
When I plug the cable the screen turn off and back on like when you plug it and the screen flicker to change the resolution.
>>
Why don't TVs have DVI ports?

It's literally going to be the same damn signal as an HDMI cable. Hell, DVI can even carry audio (I put an HDMI-to-DVI adapter onto my GPU and plugged an HDMI cable in from the TV and it transmits audio across it).

TVs need DVI ports, there's no sense not to have them.
>>
>>47030268
Displayport > DVI > VGA > S-Video > Composite > no video at all > HDMI
>>
>>47030268
>buy my first graphics card with a DP connector
>plug in DP and took it up to my old monitor
>works fine
>six months later, new monitor
>pull out DP like it was an HDMI plug without pushing the button
>rekt my card
>can't used based DP again
>;_;
>>
>>47035758
My mother got the chocolate one.
>>
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>>47040838
>>
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>>47045129
>>
think of it like VGA is satellite

It's fine when it's a great day out, but if things get cloudy it creates problems.

HDMI is like watching movies from your laptop via an HDMI cable. If the cables are in place it's only transmitting data, not a disreputable signal.
>>
>>47045350
this post gave me cancer
>>
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>>47029908
>it just wurks
>>
>>47036352
Except when the KVM is fucked up and your whole output is blue/shifted/off frequency/otherwise fucked
>>
How do I make HDMI output of one monitor vertical in linux mint?
>>
>>47040224
>RAGEMASTER
>>
>>47047047
xrandr --output HDMI1 --rotate left

adjust HDMI1 and left to suit, run xrandr without arguments if it's not HDMI1 and you're not sure of the port name
>>
>>47047121
Thanks anon
It's HDMI-0 here.
do I need to run this everytime? or is there a way to make it default?
Also it's a duplicate from the main screen is there a way to make it an extension?
>>
Easier to plug in
>>
>>47033134
Do you even know what third world means?
>>
>>47047163
>do I need to run this everytime? or is there a way to make it default?
your DE might have a tool to configure this, in which case it should be remembered and recalled
in any case you can also add the line as part of session startup in any de, or without a de

>Also it's a duplicate from the main screen is there a way to make it an extension?
xrandr --output HDMI-0 --right-of HDMI-1
(again, adjust to suit, i have to guess here)
>>
>>47032675
>am i the only one who's never seen any noise or artifacts using VGA?
You get more of that as the resolution goes up. At 1920*1080 it's super noticeable when the left and right thirds of the screen are blurry.
>>
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>>47044451
anyone?
>>
>>47040342
Some dirt-cheap cables have issues with HDCP. I have two of them, they're the cheapest possible and are unusable on anything with an HDCP signal and the output dies if it has to switch over. If I use a decent cable, it's suddenly fine. You don't need placebo cables though.
>>
>>47047564
anyone what? what are you asking?
>>
>>47047575
maybe i haven't gone cheap enough, but you understand what i mean, for any normal length, spending more than a few 10's of dollars is overkill
>>
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>>47047590
About this sorry I looked to the pic when selecting the post to reply.
>>
Integrated sound inside the signal is what makes it for me, anyways
>>
>>47047530
Hint for anyone running VGA:

Go to this website:
http://www.lagom.nl/lcd-test/clock_phase.php

Make the pattern fullscreen and make sure it's at a 1:1 zoom with the pixels. Then run your monitor's auto adjust feature.
>>
>>47029908
VGA connectors worked great, yes, but I've also seen plenty of VGA signals get interference with those micro-swiggly lines.

I think resolution caps out at a certain point, too. I might be wrong.
>>
>>47042052
you lived in Moabit. Germans don't go to Moabit.
>>
Can DRM be silently enabled in HDMI? I mean I get that it's there but I don't get if it's *always* explicitly there or only in cases where a manufacturer has installed HDCP or whatever it is.
>>
>>47047624
Have you tried reading the fucking manual you fucking cock-gobbling cunt? Or do you want us to someone fix your simpleton problem with a couple of your shitty explanations and nothing else? This is why you will never succeed in life... you are a fucking retarded faggot.
>>
>>47047115
I think it's named after the ATI RAGE GPUs.
>>
>>47029908
so you don't have ghosting at resolutions above 1280x1024, jackass
>>
>>47048464
>I think resolution caps out at a certain point, too. I might be wrong.
I think it's more of a softcap than a hardcap because it's analog. Depending on length, interference, etc. you can probably go pretty high just that it would look really shitty. I've never tried it myself though.
>>
>>47030037
>pic related
>>
>>47053264
That is an emoji anon. He put it into his name by using the name field in the post form
>>
>>47053297
Damn, what a special little snowflake.
THX for explaining and good night anon!
>>
>>47030127

Yes! I work for DirecTV which is where I first learned about it. It is the only reason why HDMI is pushed as the standard
>>
>>47053264
a bow emoji, i would guess
>>
>>47043443
>still using a cable for your headphones

Have you heard of magic like Bluetooth enabled headphones?

>no cables
>>
>>47042072
If you can't figure out how to plug a cable into a computer you have no business operating one.

Take a shit, fuck the teachers. If they really need to connect, they will figure it out.
>>
>>47029908
"Can somebody please explain this electron shit to me? Why are replacing what has worked perfect for decades?"

- OP circa 1900
>>
>>47056491
>wanting people to listen in on your porn
>>
>>47030003
> What is inductance
>>
>>47053264
That's a yellow hair bow.
>>
>>604284158
I have be>>47030549
But the monitors with dp are so expensive
>>
>>47029908
VGA adapters were created for old analog monitors. When you use VGA, you convert the computer signals to analog and then send it to your monitor. Your monitor then displays the signal as analog. Conversion means loss of quality.

On a HDMI plug, the computer output signal is send directly to the monitor where it displays digital output. There is no conversion. This results in higher quality.

VGA quality works fine for low resolution because quality of image isn't an issue on 800x600 screens. However on higher resolutions, quality degradation is seen.
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