![]() ![]() Conclusion: If you have an Atmos decoder all channels are mixed into the 5.1 output, surrounds are blended along with top/ceilings. The rear channels are heard in the side surround speakers, rear ceilings in side speakers and front ceiling channels into front L/R speakers. Need test results for a user with an old TrueHD decoder (and no Atmos decoder) to test what happens to the two ceiling channels (I’d think the Atmos ceilings will be ignored but you’ll get the 7.1 bed channels as per TrueHD test above)Ītmos 7.1.4: Yes. The rear channels are heard in the side surround speakers And the ceilings are mixed into my side surround speakers. Conclusion: If you have a TrueHD decoder all channels are mixed into the 5.1 output, surrounds are blended.Ītmos 7.1.2: Yes. The rear channels are heard in the side surround speakers. QuadraphonicQuad is a non-profit, non-sponsored website. Writing library : libebml v1.3.1 + libmatroska v1.4.DISCLAIMER: Fair use is claimed on all test files, as their purpose is only for the promotion of Dolby Atmos music, testing and technical evaluation for our members. Writing application : mkvmerge v8.3.0 ('Over the Horizon') 64bit Such a single audiofile can be muxed as one track in mkv. Those two together combined will result in the lossless DTS-MA track. It has a core dts track, such you'll find on dvd's, for legacy reasons. To be complete, a DTS-MA track is different in it's build-up. ![]() Since THD with embedded ac3 is not possible as one track in mkv, a lot of times there isn't one or the legacy ac3-stream is muxed as 2nd-or-more audio track. My guess is it has to do with official bluray specifications that states that in a THD track there must be an embedded ac3 track for legacy hardware. It will recognize bluray video and will prompt proper settings for you. ![]() Take the demuxed videotrack and the newly created ac3 track and build a BD iso with tsMuxer. You can check this with MediaInfo.Ĭhange the extension of this file into into *.ac3 This means that the output contains two audiostreams: the trueHD track and a separate, independent ac3 track. I use UsEac3to to do this as I'm not much of a command line wizard.Įac3to will give a file with *.thd+ac3 extension. Demux the mkv with gMKVextract (requires mkvtoolnix) ![]()
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