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  1. Member
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    Oct 2017
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    France
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    Bonjour ;

    Presentation :
    My LG TV 2017 is compatible with Atmos + Eac3, but not Atmos + TrueHD. That's why I would like to convert my audio tracks to Atmos + Eac3. This would allow me to enjoy 3D audio.

    Do you know how to do it ? :/
    Source: MKV (Track 1: Video HEVC / Track 2: TrueHD + Atmos)
    Desired output: MKV (track 1: Video HEVC / Track 2: Earc3 + Atmos)

    Thanks !
    Last edited by Bindou; 27th Oct 2017 at 13:26.
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  2. Member
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    Oct 2017
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    France
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    Hi !
    someone can help me ?
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  3. Marsia Mariner
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    What you intend to do requires the official Dolby Media Encoder, which is not freeware, plus a Mac computer.

    https://www.dolby.com/us/en/professional/content-creation/products/dolby-media-encoder-client.html
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  4. Member
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    Oct 2017
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    Thanks.
    No Windows ? I dont have MacOs.

    Is There any others solutions ?
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  5. Member Ennio's Avatar
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    May 2005
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    Netherlands
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    Originally Posted by Bindou View Post
    My LG TV 2017 is compatible with Atmos + Eac3, but not Atmos + TrueHD...
    If not confusing, I find that strange, since Atmos is an extension to TrueHD, so no Atmos without TrueHD... I don't really understand what this would mean.
    What does your manual say about this compatibility? Can you choose & output Atmos to the ARC-HDMI connection? Or does it just accept Atmos input and recode/downmix? Or does it accept the so-called "Atmos + Eac3" so it can just demux & output the Eac3 audio only?
    How do you connect your tv to your AVR?

    Edit: BTW you can't mux Atmos and AC3 in one track within a mkv container.
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  6. Member
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    This is compatible with my TV and ARC. Not TrueHD.



    Audio #4
    ID : 5
    Format : E-AC-3
    Format/Info : Enhanced Audio Coding 3
    Format profile : E-AC-3+Atmos / E-AC-3
    Format settings, Endianness : Big
    Codec ID : A_EAC3
    Duration : 1 h 50 min
    Bit rate mode : Constant
    Bit rate : 500 b/s
    Channel(s) : 11 objects / 6 channels
    Channel positions : 11 objects / Front: L C R, Side: L R, LFE
    Sampling rate : 48.0 kHz
    Frame rate : 187.500 FPS (256 SPF)
    Compression mode : Lossy
    Stream size : 907 MiB (1%)
    Title : French VFF E-AC3 Atmos 7.1
    Language : French
    Service kind : Complete Main
    Default : Yes
    Forced : No

    (LG TV 2017 -> this format comes out in Atmos on my amp Denon 2016 ARC standard)
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