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DTS-HD Master Audio 6.1 to EAC3 5.1!
#1
I have a 7 channel audio track with the following detail.
When i encode it to EAC3 with Hybrid, the output is 6 channel!
I want to keep 7 channel. How to do that?

Audio
ID                                       : 2
Format                                   : DTS ES XXCH XLL
Format/Info                              : Digital Theater Systems
Commercial name                          : DTS-HD Master Audio
Codec ID                                 : A_DTS
Duration                                 : 2 h 4 min
Bit rate mode                            : Variable
Bit rate                                 : 4 730 kb/s
Channel(s)                               : 7 channels
Channel layout                           : C L R Ls Rs LFE Cb
Sampling rate                            : 48.0 kHz
Frame rate                               : 93.750 FPS (512 SPF)
Bit depth                                : 24 bits
Compression mode                         : Lossless
Stream size                              : 4.11 GiB (47%)
Language                                 : English
Default                                  : Yes
Forced                                   : No
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#2
I don't think that's possible, since iirc. ffmpegs eac3 encoder (which Hybrid uses) only supports up to 5.1 eac3.
I just checked my code and in the debug ouput, Hybrid logs, if there are more than 6 input channels:
Quote:"enforcing audio downmix to 5.1 since (e-)ac3 does not support more channels."
"In case of e-ac3 it's a limitation of ffmpeg"
see: https://trac.ffmpeg.org/ticket/3595

Cu Selur
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