Enhanced Audio Return Channel (eARC, from HDMI 2.1)
E486627
Enhanced Audio Return Channel (eARC) is an HDMI 2.1 feature that enables high-bandwidth, lossless audio formats like Dolby TrueHD and DTS-HD Master Audio to be sent from a TV to an external audio device such as a soundbar or AV receiver.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Enhanced Audio Return Channel | 0 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
HDMI feature
ⓘ
digital audio interface protocol ⓘ |
| abbreviation | eARC ⓘ |
| allows | TV to act as audio source device ⓘ |
| alsoKnownAs | eARC (HDMI) NERFINISHED ⓘ |
| backwardsCompatibleWith | ARC in limited mode ⓘ |
| category | consumer electronics technology ⓘ |
| compatibleWith | Ultra High Speed HDMI cables ⓘ |
| designedFor |
AV receivers
ⓘ
home theater systems ⓘ soundbars ⓘ |
| enables |
sending HDMI source audio connected to TV to external audio device
ⓘ
sending TV app audio to external sound system ⓘ sending over-the-air broadcast audio to external sound system ⓘ simplified single-cable connection between TV and audio system ⓘ |
| follows | Audio Return Channel ⓘ |
| hasMaximumBandwidth | up to 37 Mbps ⓘ |
| improvesUpon |
Audio Return Channel bandwidth
ⓘ
Audio Return Channel format support ⓘ Audio Return Channel lip-sync handling ⓘ |
| introducedWith | HDMI 2.1 NERFINISHED ⓘ |
| mayWorkWith | High Speed HDMI cables under some conditions ⓘ |
| partOf | HDMI 2.1 specification NERFINISHED ⓘ |
| primaryUseCase | return audio from TV to external audio system ⓘ |
| provides | automatic lip-sync correction ⓘ |
| relatedTo |
Consumer Electronics Control
NERFINISHED
ⓘ
HDMI 2.1 fixed rate link ⓘ HDMI ARC NERFINISHED ⓘ |
| requires |
HDMI connection between TV and audio device
ⓘ
eARC-compatible TV ⓘ eARC-compatible audio device ⓘ |
| standardizedBy | HDMI Forum NERFINISHED ⓘ |
| supports |
DTS-HD Master Audio
NERFINISHED
ⓘ
Dolby Atmos via Dolby TrueHD NERFINISHED ⓘ Dolby TrueHD NERFINISHED ⓘ high-bandwidth audio return ⓘ high-bitrate audio streams ⓘ lossless multichannel audio ⓘ metadata for advanced audio formats ⓘ object-based audio formats ⓘ uncompressed 5.1-channel PCM audio ⓘ uncompressed 7.1-channel PCM audio ⓘ |
| transportLayer | HDMI physical layer ⓘ |
| uses |
HDMI cable connection
ⓘ
dedicated eARC data channel ⓘ enhanced audio discovery and control mechanisms ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.