What's the point of HDMI ARC?
If you have a ps3, a ps4, a tv, and some speakers, then you just connect the ps3 and ps4 to the tv and the tv to the speakers, where does arc come in?

>>106238531 (OP)
google it retard

>>106238548
use your logic, imbecile.

>>106238531 (OP)
It lets you plug your shit into the TV and then you can plug the TV into a high quality AV receiver that may not have all the display output capabilities that the TV has

>>106238908
that just describes an audio cable

>>106238531 (OP)
it's the only standard that can passthrough dildolby super ear slaughter carnal rape fidelity 7.2 bitstreams from my pc through my tv to my sound system

>>106238981
but how and why? how is your setup different from the aforementioned?

>>106238953
A Toslink cable between your TV and your AV receiver only has a fraction of the bandwidth of an HDMI cable and usually does compressed 5.1 audio at most.

>>106238953
Yes. The appeal of ARC is that you have one less cable. If you have good cable management, that's usually not much of a bonus but for the average rat's nest behind most people's entertainment center, having one less cable is useful.

>>106239043
instead of sending dumb waveforms for the sound system to play, my pc sends it a stream of commands like "play this waveform 5ft to the left and 3ft behind the viewer in 30ms", and it is rendered in real time, and it's a lot of information with tight timings that any other standard can't handle

>>106239075
How do you have one less cable? It's the same amount whether the audio cable is hdmi or not.

>>106239073
if it can transmit more audios i get it but that has nothing to do with the sending in reverse part that still makes no sense to me

>>106239160
As >>106239075 said, it makes a lot of sense not to run two cables
- to get video from an AV receiver (switching external sources) to the TV
- to get audio from the TV (usually broadcasts) to the AV receiver
when one bidirectional cable can do it.

In addition to what other anons say, ARC also gives the connected device a standard way to interact with the TV and do things like unify the volume control. It's basically Bluetooth but over wire, and support for that kind of behavior is really inconsistent between different TVs.

>>106239215
Wait, why would you get video from an av receiver? that wasn't even included in the op example, and nobody said anything about that.
you changed the premise here without warning

>>106238531 (OP)
>the tv to the speakers

So you can do 2.1 stereo with a shitty noisy dac and preamp

If only there was a digital output called "HDMI ARC" that you could use to connect to real equipment instead

>>106239321
i got 5.1 without your shitty noisy dac and preamp. without arc, just using an optical cable.

>>106239316
>Wait, why would you get video from an av receiver?

why would you get video from a audio video receiver

That 10 minutes without oxygen at the birthday party really did a number on you huh

>>106239335
cool, that doesn't even support all 5.1 codecs though. You're basically telling me you can still hear your movie with worse tech. Cool story

>>106239342
not more than you who can't explain a simple thing and instead choose to insult like a retarded toddler

>>106239363
>your teck two bad. u need 30+ producs to get da sound + gold cables

>>106239370
its explained by the name

Unless you thought an audio video receiver received video and then emitted heat and raised power bill and nothing else

>>106239394
you haven't said anything about your setup or the op setup. funny how after 20 posts still none of you retards have explained shit. i doubt you've even read and understood the op.

>>106239391
If a $5 hdmi cable is audiophile snake oil I guess you can't watch blurays or play video game consoles then

If you don't hav earc support on your tv and receiver then you have no reason to post.

>>106238531 (OP)
My 4k 120hz 40 meters long fiber optic HDMI cable requires eARC, I have no idea why but it works.

>>106239432
i don't have a "receiver" first of all. if you could fucking read you'd know.

>>106239422
It was explained several times and has different benefits for different setups, this is the most to the point >>106239073 and is the widest application for all users. It's an upgrade to SPDIF/optical

>so many replies
>none mention the main benefit
It amazes me that people are so oblivious to HDMI CEC.
It's the single meaningful advantage HDMI has over DisplayPort when it comes to video entertainment, yet people who pretend to know their shit are completely unaware of this.

>>106238531 (OP)
The point of ARC is that you turn on the TV and your speakers (or AV receiver) turn on automatically and switch to the correct scene/EQ. Any sound from the TV gets passed to the speakers, including plain old broadcasts.
When you turn off the TV, speakers turn off as well so you don't need to fiddle with multiple remotes like a neanderthal.
Any other answer is wrong and retarded.

>>106239437
it'll work. the hdmi standard was a poorly thought out and poorly implemented standard that wastes a shitload of bandwidth and limited itself to what kind of data could be sent and how, so we have these additions to the standard to cope with the original spec's abysmal failure to plan for the future.

>>106239316
it's a common use-case, many modern AV receivers are also HDMI switches, so you'd have 1 HDMI going from the TV (ARC) to the AV, and then your boxes/consoles are plugged into the AV rather than the TV

>>106239463
again, i've already answered that post if you could read.

>>106239441
ESL

>>106239494
DSL for your dad

>>106239441
What do you plug your optical cable into and is it receiving the audio? Like, some kind of ... audio receiver

>>106239508
it's called a speaker, google it

>>106239482
Yeah you've already ignored that post and whole thread, as "none of you retards have explained shit". You got what you asked for, now we're just playing your game where you get mad because anons weren't nice to you or something

>>106239471
see this makes total sense, but the stuff about requiring fewer cables for audio still doesn't. and i get the feeling it only applies in some kind of weird scenario that i have no idea what would be. and not to the example in the op.

>>106239519
You said 5.1, which means one of the speakers is housed in a receiver. How about you figure out how your own tech works before you engaged in pointless arguments about it

>>106239565
it applies when using your av receiver as an av receiver for things like your bluray player and game console and HTPC, but you need audio from the smart TV when you watch youtube or netflix

>>106239566
what kind of tech is in it has nothing to do with it being a speaker or not. you said stupid shit. move on.

>>106239471
If the benefit is "your lazy diabetic hand doesn't have to push one more power button on a remote", it's not worth writing home about.

>>106239596
your wife's boyfriend's sound bar is as much a receiver as it is a speaker, he can explain it to you

>>106239594
holy shit that simple answer was hard to get.
next time i have a tech question i'm gonna slit my wrists rather than come here again.

>>106239594
FINALLY ANSWERED. THREAD CLOSED

>>106239610
Yeah, if you live by yourself and no one watches your home theater setup except you by yourself, using multiple remotes isn't a problem

>>106239624
It was posted right here >>106239215

>>106238531 (OP)
i hate this shit. i got a new tv recently that has no audio out except for this dumb shit. i had to buy an "audio extractor" for it and it sounds like shit

>>106239594
>>106239624
One other reason is that AV receivers can be behind the times in regard to feature and bandwidth support for HDMI
ARC allows you to use an older receiver and let the TV handle video where it's best handled

>>106239672
no

>>106239748
Just announce ESL before posting anymore guys

>>106239762
just kys if your ego cant handle being dumb and needing to resort to strawmen for babies

>>106239655
>BUT WHAT ABOUT
Make the lazy gits operate the remotes. Nobody cares if hypothetical scenario X has hypothetical fat retard Y who needs to eat three oreos to muster up the blood sugar to press a second remote's power button.

>>106239624
>next time i have a tech question i'm gonna slit my wrists rather than come here again.

Go to chatgpt.com you fucking retard. No board will ever be a retard Q&A board ever again no matter where you go.

You know what's gay? My TV supports ONLY digital audio output, there is NO OTHER WAY AT ALL to get the broadcast signal's audio out of it. And for some fucked up reason it doesn't like my preamp, which has a digital input. It's all ADAT and I don't understand how it doesn't work unless it's putting out some weird sample rate and bit depth that my preamp doesn't support. So I have to use the TV speakers if I am watching TV. It blows.

>>106238531 (OP)
moron