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Thread: Mezzmo & Chromecast - No Audio

  1. #1
    Join Date
    Jan 2012
    Location
    Uk
    Posts
    80

    Default Mezzmo & Chromecast - No Audio

    Hi

    I seem to have a problem with a file type and playback. Initially I though it was because the files are mkv and I spotted some old posts on that subject but the fix does not seem relevant anymore as the lines suggesated to be removed do not exist in the googlechromecast file so I assume that has been fixed and this is different.

    The issue seems to be the difference between a AAC / HE-AAC - LC encoded file that plays fine and a E-AC-3 / N-EAC3 file which does not. Both 2 channel audio.

    The other difference I can see is the working file plays fine and I can adjust the volume in Mezzmo Android App.

    But on the file with no audio I get a message on my TV which says "Surround sound enabled use your TV remote control"

    PS: I have tried turning up the volume on the TV, no effect.

    Any ideas?

    Thanks

    Steve

  2. #2
    Join Date
    Sep 2009
    Posts
    1,715

    Default

    The E-AC3 file will be detected as surround sound because AC3 is Dolby Digital, we included support for AC3 in earlier Chromecast profiles because early chromecasts would just play this audio but it appears that your chromecast wants to pass it to an audio receiver. We have another profile for the Google Chromecast with the ac3 audio removed from the mkv container so this will force the file to be transcoded when played, send an email to support [at] conceiva [dot] com if you would like to try this profile.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  3. #3
    Join Date
    Jan 2012
    Location
    Uk
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    Default

    Hi Peter

    I have switched profiles and renamed by device to be 100% sure thats the one being used and I can see it streaming but it did not trigger transcoding.

    This is the full Audio spec of the file

    Audio
    ID : 2
    Format : E-AC-3
    Format/Info : Enhanced Audio Coding 3
    Codec ID : A_EAC3
    Duration : 45 min 49 s
    Bit rate mode : Constant
    Bit rate : 128 kb/s
    Channel(s) : 2 channels
    Channel positions : Front: L R
    Sampling rate : 48.0 kHz
    Frame rate : 187.500 FPS (256 SPF)
    Compression mode : Lossy
    Stream size : 41.9 MiB (14%)
    Language : English
    Service kind : Complete Main
    Default : Yes
    Forced : No

    Steve

  4. #4
    Join Date
    Sep 2009
    Posts
    1,715

    Default

    Hi Steve,
    can you please check in Transcoding Settings in Mezzmo to make sure transcoding is not turned off and also check the device settings on the Transcoding tab to make sure transcoding is enabled?

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  5. #5
    Join Date
    Jan 2012
    Location
    Uk
    Posts
    80

    Default

    DOH!

    Thanks Peter that did it. I always expected the default to be enable transcode on a new device. My overall setting was on but each new Chromecast device was turned off.

    Will check next time.

    Thanks once again, flawless support.

    Steve

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