[MPlayer-users] ac3 sound problem

[radus]

Hello!
I downloaded this from the net 
http://users.skynet.be/bk267286/files/sg1-406-350-amc-ac3-sample.avi
and when i try to play it the sound is very unclear with kinda of a buzz in it 
and the speaking is in the background
this what it says
--
AO: [oss] 48000Hz Stereo Signed 16-bit (Little-Endian)
ao2: 48000 Hz  2 chans  Signed 16-bit (Little-Endian)
audio_setup: sample format: Signed 16-bit (Little-Endian) (requested: Signed 
16-bit (Little-Endian))
audio_setup: using 2 channels (requested: 2)
audio_setup: using 48000 Hz samplerate (requested: 48000)
audio_setup: frags:   2/2  (65536 bytes/frag)  free: 131072
---
Detected audio codec: [a52] drv:14 (AC3-liba52)
Selecting Audio Decoder: [liba52] AC3-liba52
Using 3DNowEx optimized IMDCT transform
AC3: 3.1 (3f+lfe)  48000 Hz  224.0 kbit/s
Using MMX optimized resampler
AUDIO: srate=48000  chans=2  bps=2  sfmt=0x10  ratio: 28000->192000
---
i have alsa and sb live

_K9_