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Which 5.1 AC3 files (SurCode, Compressor, Audacity) will Encore Accept?

Sep 2, 2013 10:19 AM

Tags: #5.1 #encore #ffmpeg #surround_sound #audacity

I have the SurCode plug in for Premiere and the stand-alone Compressor 4, and both will generate 5.1 AC-3 files that load perfectly into Encore and produce a 5.1 DVD or BD that decodes fine. I made a 5.1 AC-3 file using Audacity and FFmpeg which plays back via VLC correctly. However, when I try to import into Encore as an assest, I get this message:

 

Could not import file [filename.ac3]

More than two audio channels for this type of encoding is not supported.

 

Am I missing something? Is this a licensing issue? Reading older posts, it seems that Audacity-generated AC-3 files did once work. See here:  http://forums.adobe.com/thread/511930

 

Thank you for any help or suggestions.

 
Replies
  • Currently Being Moderated
    Sep 9, 2013 4:42 AM   in reply to tlipfert

    tlipfert wrote:

     

    I have the SurCode plug in for Premiere and the stand-alone Compressor 4, and both will generate 5.1 AC-3 files that load perfectly into Encore and produce a 5.1 DVD or BD that decodes fine. I made a 5.1 AC-3 file using Audacity and FFmpeg which plays back via VLC correctly. However, when I try to import into Encore as an assest, I get this message:

     

    Could not import file [filename.ac3]

    More than two audio channels for this type of encoding is not supported.

     

    Am I missing something? Is this a licensing issue? Reading older posts, it seems that Audacity-generated AC-3 files did once work. See here:  http://forums.adobe.com/thread/511930

     

    Thank you for any help or suggestions.

    For starters, ffmpeg's implementation of AC3 is a reverse engineered hack, andf not guaranteed to be DVD spec compliant.

    To be certain of getting properly compliant streams you must use a licensed encoder, and in 5.1 it must be a properly specified one from this list or else results cannot be guaranteed.

     
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