InterVideo Audio Decoder Filtrer Used when playing MP3 files in WMP

When I play some mp3 file in WMP 6.4 I see in the Filters in Use List Direct sound -=> o.k. InterVideo Audio Decoder Filtrer -=> Why ??? When Divx is being played I see the beloved MPEG Layer-3 Decoder Filter it's okay I am sure. I have many things installed on machine but I came to this when I couldn't hear any sound from Kazaa Lite (2.0.2) I uninstalled Real Player One wich is really s---s and I got my sound i started to check things out and got this issue I don't know if this filter plays MP3 well or not so please help out... saxin

Okay Solution Found 

To all of you plz upgrade the InterVideo Audio Decoder filter in windows\system folder to the latest version from Doom's Audio Filters Pack Update the iviaudio.ax file and you'r done :)

link doesn't work :(

Okay Link updated 

The file lies in Downloads / Filter Section and it's part of Audiofilters.zip -=> package