hdmi arc

HDMI (High-Definition Multimedia Interface) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for analog video standards.
HDMI implements the EIA/CEA-861 standards, which define video formats and waveforms, transport of compressed, uncompressed, and LPCM audio, auxiliary data, and implementations of the VESA EDID. CEA-861 signals carried by HDMI are electrically compatible with the CEA-861 signals used by the digital visual interface (DVI). No signal conversion is necessary, nor is there a loss of video quality when a DVI-to-HDMI adapter is used. The CEC (Consumer Electronics Control) capability allows HDMI devices to control each other when necessary and allows the user to operate multiple devices with one handheld remote control device.
Several versions of HDMI have been developed and deployed since initial release of the technology but all use the same cable and connector. Other than improved audio and video capacity, performance, resolution and color spaces, newer versions have optional advanced features such as 3D, Ethernet data connection, and CEC (Consumer Electronics Control) extensions.
Production of consumer HDMI products started in late 2003. In Europe either DVI-HDCP or HDMI is included in the HD ready in-store labeling specification for TV sets for HDTV, formulated by EICTA with SES Astra in 2005. HDMI began to appear on consumer HDTV camcorders and digital still cameras in 2006. As of January 6, 2015 (twelve years after the release of the first HDMI specification), over 4 billion HDMI devices have been sold.

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  1. bryanschmiedeler

    Question Connecting TV to Soundbar with HDMI ARC or eARC - will cable box remote control soundbar volume?

    My parents finally purchased a nice HDTV, a Samsung 6100 series. I do not know the exact model number, I am trying to get them to get that to me. They complained about the sound. I told them that even expensive TVs don't have great sound, and they should maybe get a soundbar. I would like to...
  2. R

    How to connect a PC or Mac HDMI output to send audio to a Soundbar with HDMI ARC

    Hello there, I have wired the HDMI output from my PC to the eARC HDMI channel input of a Soundbar. However, I can not get any audio being played by the Soundbar. Is there a native issue with the HDMI connection here or I need an external adapter? I want to send High Res audio multichannel or...
  3. A

    LG HDMI ARC causes volume symbol greyed out

    Hello I have a rx v4a amp and LG 55LB6500-TH TV. The audio works fine, but when I connect the arc output from the tv to the arc port on the amplifier, and change the tv setting to arc for sound out, the volume is greyed out and I cannot adjust the volume nor hear anything from the amp. Things...
  4. G

    No sound when running devices through Onkyo AV receiver to new Samsung smart tv

    Hi! I just bought a new Samsung Q70C smart TV (TQ65Q70CATXXC) to replace my 2018 Samsung UE65NU6025 in my living room. I run my surround system through an Onkyo TX-NR686 AV receiver and have never had any issues prior. With the new TV however, I only get the video and no sound for the devices...
  5. R

    Connecting soundbar & Freesat box to TV (HDMI ARC)

    Just wondering if anyone can figure out a solution to this issue I'm having. I've just bought a new soundbar (Hisense HS214) and connected it to my Hisense TV using the HDMI ARC socket as this apparently gives the best sound quality and also allows the soundbar to be turned on and off with the...
  6. Janjacob2012

    Question HDMI Arc aansluiting philips 77Oled808

    Dag allemaal Ik heb sinds enkele maanden 2 nieuwe tv gekocht van philips model 1 77OLED808/12 en model 2 48OLED808/12 Op model sonos installatie via HDMI 2 ARC op model 2 samsung soundbar ook Op HDMI 2 ARC. Elke keer als ik een van beide tv aanzet krijg ik gelijk beeld en dan gaat het beeld weg...
  7. pure_geordie

    Question HDMI ARC how does the AV receiver detect sound from TV

    Hi peoples, simple question really I hope, I've always had this issue and curious to know how the amp (any amp in general) picks up the sound from the TV via HDMI ARC to the speakers on the AV amp. does it simply switch the sound on? Just all the amps I've had denon AVR 2600h and I have a...
  8. S

    hdmi arc not working

    i have an lg oled55b9pla tv with an lg spk8 soundbar/surround sound plugged in to the hdmi arc port. it used to work fine, when i had a bt youview box, turn the box on and the tv came on and the arc started up no issues. i have swapped to a sky stream puk, i've set it all up properly and when i...
  9. CynepMEH

    SK8500PLA + Soundbar = Sound stopped working

    Hi. I have the following setup: TV: LG SK8500PL SW Version: 05.50.10 webOS TV Version: 4.4.2-10 (goldilocks-gorongosa) Soundbar: Samsung Q950A connected via HDMI ARC port. It used to work OK but one day it stopped reproducing sound from the soundbar. When I try to adjust the volume I just...
  10. Mateusz3112

    Polk magnifi 2 sound problem

    Hi I have a problem with that soundbar connected to Philips pus8897. Bought TV two weeks ago and sometimes I have that issue: Sometimes when stopping video or going back to menu that happens. Here I changed audio settings to stereo (uncompressed) It's connected to hdmi arc. Any ideas what's...
  11. H

    Bargain Expired Cheapest used 5.1 with ARC that sounds good?

    Hey everyone, after a bad (and expensive!) experience of fraud (first time it happened to me in over 20 years of buying things online... oh, well) related to the acquisition of quite a hi-end receiver, I have decided I am not giving up! I am now looking for the cheapest AV receiver that: - can...
  12. SoundsCrazy

    Set up my HT / TV connection

    Hi I’m just wiring up my HT. I’ve got an HDMI from my LG HDMI ARC connection to the Monitor ARC connection on the Marantz AV8805/8077 set. Based on my previous Marantz AVR 1509 set up I was expecting to hear audio when I select TV audio. The TV is set on 'sound hdmi arc out'. I will test the...
  13. D

    Vizio V20-J8 1.1.6.0 Firmware Muting Issue with HDMI ARC

    Exertis | Technology Distribution I updated to 1.1.6.0 firmware on 2/3/23. My Sony Bravia XBR55X930E is connected to it over HDMI ARC and the TV is connected to a Roku Ultra via HDMI. I use the Roku Pro remote to manage volume and muting. Before the firmware update muting via the Roku...
  14. Ornithorp4

    Difference between HDMI audio and HDMI ARC?

    Hi, is there a difference between normal HDMI audio and HDMI ARC? The same question rephrased, will an amplifier with an HDMI ARC capable input play sound when directly connected to the HDMI output of a source device that delivers audio and video? Or is ARC audio tagged or transported...
  15. jlinnet

    LG HDMI ARC problem: Audio no longer coming through

    Hello people, can you help me ascertain which part is broken: My ARC port on my LG tv, or the hdmi port on my Onkyo surround receiver? Which usually receives the signal and puts it out in 5.1. Both devices are a few years old (TV from 2017, receiver from 2013) but they have cooperated...
  16. E

    LG G1 HDMI ARC with Windows 11 2 channel audio only

    I have seen others with this issue but not seen a fix. I am passing my audio via eARC to my audio-video receiver, but since LG ARC only transmits PCM via 2-channel audio, I cannot get surround sound. Is there any fix for this? Can I force Windows 11 to output something other then PCM? I have an...
  17. S

    HDMI ARC (Amp)

    Hi all, Hopefully just a quick one. Currently using a Bluesound Node 2 as a preamp which includes an HDMI eARC input. I have found this to be a most excellent addition as I can control the volume of the hifi via the TV remote, removing the need to have several remotes in use. I am thinking...
  18. papoti

    One Connect connections issue with AV receiver

    I am at a loss... I have a Samsung Frame 2021 with a One Connect box. I have a second video output, an Epson TW3600 projector. The AV receiver is the Sony STR-DN 1080. Video inputs are: game console bluray player VHS player What would be the best cable setup in order to either use the...
  19. antakar

    NAD T758 v3 - HDMI ARC port - can i use A/V Preset for it?

    Hello, I have my PC connected to my LG TV -> HDMI 1 IN ->HDMI 2 ARC OUT -> NAD HDMI ARC IN port. Can I use HDMI port with Preset generated by DIRAC to apply to the sound coming from the PC?
  20. J

    Issue with HDMI Arc - Anthem AVM60 - Solved

    Hi All, I can't get (anymore) the audio from the TV whilst streaming through into the Anthem processor via HDMI Arc. It did work, the Anthem has just been back for repair and I'm wondering if there is a setting incorrect that I've missed. Virgin box to AVM60 = works correctly, audio output to...
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