mute one audio stream only (1 Viewer)

[magooo]

MediaPortal Version:
MediaPortal Skin:
Windows Version:
CPU Type:
HDD:
Memory:
Motherboard:
Video Card:
Video Card Driver:
Sound Card:
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:
MPEG2 Audio Codec:
h.264 Video Codec:
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote:
TV:
TV - HTPC Connection:


I have a avi which has two stereo audio streams, one of the streams has a commentary which I want to mute, I can`t see how to do this so any help will be appreciated.
Thanks

 

[Vasilich]

Sorry but your system information is empty. try to fill it first.
What audio decoder have you configured for video part?

 

[magooo]

MediaPortal Version: 1.1.3
MediaPortal Skin: Blue3wide 1.1
Windows Version: XP Pro SP3
CPU Type: AMD 64x2 5000+ 2.6 GHz
HDD: Seagate 500GB
Memory: 2 GB
Motherboard: ASUS M3N78S
Video Card: Saphire Radeon HD4670
Video Card Driver: 18.762
Sound Card: SoundBlaster Live 5.1
Sound Card AC3: no ac3
Sound Card Driver: 5.12
1. TV Card: Hauppaugge
1. TV Card Type: DVB-T
1. TV Card Driver: wintv 7 2.1a
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: MPC-MPEG-2 Gabest
MPEG2 Audio Codec: ffdshow rev3703
h.264 Video Codec: ffdshow DXVA
Satelite/CableTV Provider:
HTPC Case:
Cooling:
Power Supply:
Remote: Hauppaugge 45 button
TV: Sony kdl40v3000
TV - HTPC Connection: ATI Adapted DVI

Sorry about that..How do I tell which audio decoder in the video part that I`m using. sorry for my ignorance..

 

[Vasilich]

Video Codecs - MediaPortal Wiki
MPEG/AC3 audio decoder

is "Automatic Decoder Settings " deactivated?

 

[magooo]

There is no tick in the `Automatic Decoder Settings` box.