Windows 7 multiple sound outputs (1 Viewer)

[ryanm91]

I was wondering how i could make Mediaportals Sound go through hdmi and have all other sounds go through Speaker on motherboard i have tried w7 codec pack and set output in audio render to hdmi and SAF 5.0 but if i change default audio output to speakers media files play through that
MediaPortal Version: 1.10 final
MediaPortal Skin: StreamedMP
Windows Version: Windows 7 64 bit
CPU Type: E8400 3.0ghz Dual Core
HDD: 298gb Main and 2tb WD ext
Memory: 4 gb G skill
Motherboard: Gigabyte G31 S2l
Video Card:GTX 470
Video Card Driver: 285(current)
Sound Card: motherboard
Sound Card AC3:
Sound Card Driver:
1. TV Card: Happguage HVR1600
1. TV Card Type: Hybrid
1. TV Card Driver: current
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: SAF 5.0
MPEG2 Audio Codec: ''
h.264 Video Codec: ''
Satelite/CableTV Provider: Comcast STB
HTPC Case: Antec Sonata II
Cooling: stock
Power Supply:Antec triple rail 750w
Remote: Hp MCE and Happguage
TV: Dynex 32 inch LCD
TV - HTPC Connection:Hdmi passthrough audio through tv to coax reciever