please help me guys I have No Sound

If I try to play the videos with the BSplayer I have no sound,
I have installed the ac3 filters/codecs,but i stll have no sound and if I scan the file with the AVIcodec program it says this:
Audio : 99 Mb, 132 Kbps, 48000 Hz, 2 chan., 0x55 = MP3, Supported
I really don't know what i should do,so guys please help!!
By the way I also have installed the Winamp player to play my mp3 and ogg files and everything works fine,so guys what should I do.
i was already deleting and reinatelling the BSplayer,but nothing helps!!!