Can we use EARC without TV and if yes can we use EARC on te Theater receiver to achieve a high level of audio like atmos or nothing will change to use a a normal input hdmi

Can we use EARC ON THEATER receiver with Apple TV without a TV to achieve a high level of audio like atmos or that will change nothing to use a normal hdmi input

Apple TV 4K, tvOS 16

Posted on Jul 16, 2023 4:25 PM

Reply
Question marked as Top-ranking reply

Posted on Jul 17, 2023 3:42 AM

The eARC function of the Apple TV box is for using the Apple TV box as audio processor for TV content when using HomePod speakers. It doesn’t apply to AV receiver use.


For use with AV receivers, only the eARC function of the TV applies.

It is unclear what you mean by “without TV”. eARC is all about the use with a TV. The Apple TV box requires a screen, which usually is a TV.


The ARC/eARC connection is only used between the screen (TV) and the audio processing unit (often: AV receiver). It is not used (doesn’t apply) for the connection between the Apple TV box and the AV receiver.

    1. Apple TV box →[HDMI]→ AV receiver →[HDMI ARC/eARC]→ TV, or
    2. Apple TV box →[HDMI]→ TV →[HDMI ARC/eARC]→ AV receiver

The first option requires that the receiver supports passthrough of the video signal in all its glory. That may be an issue for older or not-so-high-end models.

The second option requires that the TV supports passthrough of the audio signal in all its glory. That may be an issue for older or not-so-high-end models.


Please specify the model receiver and model TV for more focused advise, so that we may have the possibility to look up technical specifications.

Similar questions

6 replies
Question marked as Top-ranking reply

Jul 17, 2023 3:42 AM in response to BouBou11

The eARC function of the Apple TV box is for using the Apple TV box as audio processor for TV content when using HomePod speakers. It doesn’t apply to AV receiver use.


For use with AV receivers, only the eARC function of the TV applies.

It is unclear what you mean by “without TV”. eARC is all about the use with a TV. The Apple TV box requires a screen, which usually is a TV.


The ARC/eARC connection is only used between the screen (TV) and the audio processing unit (often: AV receiver). It is not used (doesn’t apply) for the connection between the Apple TV box and the AV receiver.

    1. Apple TV box →[HDMI]→ AV receiver →[HDMI ARC/eARC]→ TV, or
    2. Apple TV box →[HDMI]→ TV →[HDMI ARC/eARC]→ AV receiver

The first option requires that the receiver supports passthrough of the video signal in all its glory. That may be an issue for older or not-so-high-end models.

The second option requires that the TV supports passthrough of the audio signal in all its glory. That may be an issue for older or not-so-high-end models.


Please specify the model receiver and model TV for more focused advise, so that we may have the possibility to look up technical specifications.

Jul 17, 2023 6:56 AM in response to Urquhart1244

I what I mean by no TV I am using a 4k projector only using receiver Yamaya RXA8A and the specs for my receiver they said EARC SEND audio and video and the audio is more mixed but like you said is only when a tv is connected. I am using the normal hdmi input on my receiver is very good I was thinking to using EARC they will be a upgrade in audio for the special effects all around . I got atmos but I d’ont fell the fly over like they said may be is just my felling. Thank for your answer is helping me.

Jul 17, 2023 10:17 AM in response to BouBou11

RX-A8A

11.2 capable, very nice. How many speakers are in use in your setup? Do you use a 7.1.4/​7.2.4 configuration?

Make sure you have the latest firmware, as important functionality was added after introduction.


I got atmos but I d’ont fell the fly over like they said may be is just my felling.

How immersive Dolby Atmos can be, depends on your speaker setup (and its calibration [YPAO]). Also, some Atmos tracks are just better designed than others, and/or make fuller use of its capabilities. If you like any title on the list below, try one of the recommended movies (scenes) that make excellent use of the height dimension.


The 24 best Dolby Atmos movie scenes - What Hi-Fi?

The start (first 6 mins) of Mad Max Fury Road is often recommended for its immersive 3D sound.

For flyover effects, Top Gun Maverick is also highly recommended as having an excellent Atmos audio track.


I would avoid judging the system from its virtualization attempts (channel upscaling), as that will be mediocre at best.

Jul 17, 2023 1:59 PM in response to Urquhart1244

I am using 7.2.4 (4 is ceiling) the new firmware is up to date . They only way I can listen some atmos movies is via streaming like Netflix Disney + etc I d’ont have a 4k player atmos may be a dvd 4k will do a difference . Also I using YPAO ON VOLUME AND DRC I will put those 2 in off positions I think using those 2 may affect the sound. The calibration is done but I increase each speaker by 4 (center 5 )I think is a bit to much and the cut for all speaker is 80 thx. Thank again for helping me

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Can we use EARC without TV and if yes can we use EARC on te Theater receiver to achieve a high level of audio like atmos or nothing will change to use a a normal input hdmi

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.