Sky movies track audio Narr and Sub

Hi,

I have DM500HD with newnigma2_stable_v4.0.18. All SD channels Sky Movies (Select, premier, showcase, drama, action,...) only have two track audio:
- Narrative
- Subtitles

I missing the original track audio. I have enable AC3 default, AC3 Downmix..

I need help pls...

Br