[potenzaturka]

Audio is not mp3.I have found that it's also not ac3 but wma9 pro.

  General
      Complete name : C:\Temp\AC3_Dolby_digital_5.1ch_Sound_Test-2.wmv
      Format : Windows Media
      File size : 5.01 MiB
      PlayTime : 8s 500ms
      Bit rate mode : CBR
      Bit rate : 4948 Kbps
      BitRate_Maximum : 5426 Kbps
      Encoded date : UTC 2003-10-09 18:20:21.505
   Video #2
      Codec : WMV3
      Codec/Info : Windows Media Video 9
      Codec description : Windows Media Video 9 - Professional
      PlayTime : 8s 500ms
      Bit rate mode : CBR
      Bit rate : 5000 Kbps
      Width : 1280 pixels
      Height : 720 pixels
      Display Aspect ratio : 16/9
      Frame rate : 24.000 fps
      Resolution : 24 bits
      Bits/(Pixel*Frame) : 0.226
      Language : en-us
      DeviceConformanceTemplate : MP@HL
   Audio #1
      Codec : WMA3
      Codec/Info : Windows Media Audio 3
      Codec description : Windows Media Audio 9 Professional - 384 kbps, 48 kHz, 5.1 channel 24 bit (A/V) 1-pass CBR
      Bit rate mode : CBR
      Bit rate : 384 Kbps
      Channel(s) : 6 channels
      Sampling rate : 48 KHz
      Language : en-us
      DeviceConformanceTemplate : M1