About AC3 filters

[Guest]

What are these and could it interfere with my sigmaTel Audio that came with
my Latitude d600 laptop, could this also be a reason why my audio icon is not
appearing in front of my screen when i press the increase and decrease button?

 

[Black Baptist]

=?Utf-8?B?ZHViazE4QGhvdG1haWwuY29t?= rambled on in
microsoft.public.windowsxp.help_and_support:

AC3 filters

AC3Filter - it's a DirectShow filter for AC3 decoding to play .AVI with AC3
audio tracks and MPEG2(DVD).