[JakeF]

I just ordered a 4K TV and want to replace my current HTPC with a Shield.
So I have two questions I couldn't 100% clarify while reading through this thread:

1. Is DTS-HD Passthrough possible now? I think this came with some update from NVIDIA
2. I read on a German Page that 1080p Content gets scaled to 4K by the Shield as it always sends a 4K signal to the TV. Since the Shield apparently has a bad upscaler 1080p content (and below) looks blurry and very bad - can anyone confirm this?

DTS HD passthrough works well on the shield, it's just a problem with kodi, if you want quickly DTS HD passthrough, you can use archos player, it's working well

I have tested Archos on the Shield, and apart from having no chapter support or skip forward functionality and a defect fast forward function, it seems to work fine with HD sound. :-)
Oh, and some high bitrate files I tested didn't play back at full speed, but on slow motion, even with hardware (HW or HW+) playback enabled in the UI. I suspect it might have trouble with some files in HW, and defaults playback to SW, making it run slowly.

A sollution could be to disable passthrough, set 7.1 channels in Kodi, and let it send the sound as 8 channel PCM to your receiver. (works only with HDMI).