Dolby TrueHD 7.1 to MP4

[maverickluke]

Hi all,
I have a 4K mkv movie file that I am using vidcoder to transcode to mp4. I want to be able to passthrough the TrueHD but don't see that as being an option. Am I missing something or is this not possible with Handbrake/Vidcoder? If not, once the mp4 is created, is there a way to add the TrueHD audiotrack to the mp4 without re-encoding? I used MKVToolnix to separate the TrueHD 7.1 audio track as an mka file.

Thanks for your help in advance.

[Selur]

is there a way to add the TrueHD audiotrack to the mp4 without re-encoding?

FFmpeg should be able to multiplex TrueHD/MLP into an mp4 container (since Sun, 25 Aug 2019).