[Sir_Tom]

[edit: Just realized I might a bit late...]

Great post, many thanks!

I thought this would clear my question but I got the following question:

My system is set up as follows:

Synology NAS -> (Wifi) Router/Fritz Box -> Power LAN -> Gigabit Switch -> Raspberry Pi 2 with Openelec, overclocked to high settings.

I had the issue with some 1080 movies with DTS that it stutters and it is practically unwatchable.

My AV Receiver (Pioneer VSX 924) can handle DTS so I thought audio passthrough would be the solution. Unfortunately some movies still stutter, e.g. a 9gb movie:

Audio.............: German DTS 5.1 1509 Kbps
Audio2............: English DTS 5.1 1509 Kbps
Video.............: 1920x808 24 fps 8195 Kbps

I recognized that the display of my AV receiver shows "DTS" on Passthrough but as soon as it starts to stutter, no input audio is displayed - once it continues it shows DTS again.

I only operate to large speakers on the AVR.

Any hints, what the issue can be? Regular TV Shows or AAC works fine as well as streaming Full HD via Wifi on my laptop.

Many thanks for your feedback!
Tom