Playing external audio, while watching MKV (2 Viewers)

[aramanos]

TV-Server Version:
MediaPortal Version: MediaPortal 1.0 RC2
MediaPortal Skin:
Windows Version: XP Pro Rus
CPU Type: Core 2 Duo 8400
HDD: WD 1Tb GreenPower
Memory: Kingston 2*1Gb (800MHz)
Motherboard: Asus P5E-VM HDMI
Video Card: Integrated Intel
Video Card Driver:
Sound Card: Integrated
Sound Card AC3:
Sound Card Driver:
1. TV Card:
1. TV Card Type:
1. TV Card Driver:
2. TV Card:
2. TV Card Type:
2. TV Card Driver:
3. TV Card:
3. TV Card Type:
3. TV Card Driver:
4. TV Card:
4. TV Card Type:
4. TV Card Driver:
MPEG2 Video Codec: Cyberlink
MPEG2 Audio Codec:
h.264 Video Codec: Cyberlink
Satelite/CableTV Provider:
HTPC Case: Thermaltake Lanbox HT
Cooling:
Power Supply:
Remote: iMon
TV:
TV - HTPC Connection: NDMI

Hi everyone!
I have some problems with "attaching" external audio file (DTS in fact) while playing an MKV file. I'm almost sure it is possible, but couldn't find a solution.
Would be grateful for any help

 

[aramanos]

Tried to solve it myself - no luck.
Please help!

 

[BrownGhost]

i will watch this one, to see if any can answer this, as i have almost same problem