Dolby Digital Plus 7.1 - Merida (Brave) Blu-ray

[dt2510]

I have some problems ripping the german "Merida" (Pixar's "Brave") Blu-ray. Analyzing the m2ts files with MediaInfo, i found the following audio track:

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Audio #5
ID                                       : 4356 (0x1104)
Men?-ID                                  : 1 (0x1)
Format                                   : AC-3
Format/Info                              : Audio Coding 3
Format_Settings_ModeExtension            : CM (complete main)
Format-Einstellungen f?r Endianess       : Big
Muxing-Modus                             : Stream extension
Codec-ID                                 : 132
Dauer                                    : 45s 120ms
Bitraten-Modus                           : konstant
Bitrate                                  : 512 Kbps
Kan?le                                   : 6 Kan?le
Kanal-Positionen                         : Front: L C R, Side: L R, LFE
Samplingrate                             : 48,0 KHz
BitDepth/String                          : 16 bits
Stream-Gr??e                             : 2,75 MiB (1%)

Using MakeMKV 1.7.9 x64 the track is recognized as "DDplus 3/1 German". After ripping the above audio track appears in MediaInfo like this:

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Audio #1
ID                               : 2
Format                           : E-AC-3
Format/Info                      : Audio Coding 3
Codec-ID                         : A_EAC3
Dauer                            : 1h 34min
Bitraten-Modus                   : konstant
Bitrate                          : 384 Kbps
Kan?le                           : 4 Kan?le
Samplingrate                     : 48,0 KHz
Stream-Gr??e                     : 259 MiB (1%)
Sprache                          : Deutsch

All other tests using tsmuxer or mkvmerge also had no success in correctly ripping the E-AC3 audio. Any ideas ?

[Romansh]

Dolby Digital Plus sometimes has an embedded "core" (typically, 5.1 channels, but in your case, 4.0). Some tools and decoders can only parse/decode that core, and not the additional channels.

[mike admin]

Interesting. Please make and send the test dump for this title per instructions at http://www.makemkv.com/onlinehelp/testdump.html

[Romansh]

I had obviously read your post too fast. Not sure how the "core" went from 5.1 to 4.0 channels…