Question about DTS-MA & Dolby TrueHD

I know that the Pi’s arent capable off passing through DTS-MA or Dolby TrueHD.

But it is able to transcode into multichannel PCM.

And I think I have this set up correctly. Disabled passthrough, and everything gets transcoded, Dolby Digital, DTS and also DTS-MA and Dolby TrueHD.

What I’m wondering, is when I enable passthrough and switch from Dolby Digital to Dolby TrueHD, the Pi by itself switches to multichannel PCM for the TrueHD content.

But with DTS, when I switch from DTS to DTS-MA, it doesn’t switch to multichannel PCM, but simply passes through the core DTS signal.

Could the DTS behaviour not be made to work like with Dolby signals?

Or have I set something up the wrong way?

I have a followup question.

Have anybody else experienced the center channel “dissapearing” when using transcode?

Today in the midst of playing some movies, suddenly the center channel didn’t play anymore.

The Surround receiver stil showed multi channel PCM, and when I switched to passthrough (Dolby digital 5.1) the center channel worked. I tried stopping and starting playback a couple of times, with no result.

Eventually I tried with a reboot of the Pi and that solved it.

Any ideas?