[critic]

You can check by having a look inside BS.Player's installation folder

you mean in C drive > program files > Webteh > etc ?
there's no folder "AC3 Filter" there

or in folder that I installed bsplayer program from it ?
in fact i get it from internet

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then i get this program "codecmanager.exe" and set up some filters but it still not working
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please load the TS XviD.avi file and then rightclick > Options > Filters > Advanced.

I did that although there is no folder "AC3 Filter" - in the following information :

================================================== =========
1-
RealVideo Decoder
Location: C:\Documents and Settings\Administrator\Application Data\BSplayer PRO\RealMedia splitter\
RealMediaSplitter.ax, Size: 434176 bytes, Version 1.0.1.2

CompanyName: Gabest
FileDescription: RealMedia Splitter
FileVersion: 1, 0, 1, 2
InternalName: RealMedia Splitter
LegalCopyright: Copyright (C) 2003-2007
LegalTradeMarks: Copyright (C) 2003-2007
OriginalFilename: RealMediaSplitter.ax
ProductName: RealMedia Splitter
ProductVersion: 1, 0, 1, 2
Comments:

2-
RealMedia Splitter
Location: C:\Documents and Settings\Administrator\Application Data\BSplayer PRO\RealMedia splitter\
RealMediaSplitter.ax, Size: 434176 bytes, Version 1.0.1.2

CompanyName: Gabest
FileDescription: RealMedia Splitter
FileVersion: 1, 0, 1, 2
InternalName: RealMedia Splitter
LegalCopyright: Copyright (C) 2003-2007
LegalTradeMarks: Copyright (C) 2003-2007
OriginalFilename: RealMediaSplitter.ax
ProductName: RealMedia Splitter
ProductVersion: 1, 0, 1, 2
Comments:

3-
Source
Location: C:\WINDOWS\system32\
quartz.dll, Size: 1287680 bytes, Version 6.5.2600.2180

CompanyName:
FileDescription:
FileVersion:
InternalName:
LegalCopyright:
LegalTradeMarks:
OriginalFilename:
ProductName:
ProductVersion:
Comments:
================================================== =

I'm so sorry for annoyance