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SADEX GUI 1.01 Readme File (2001/05/10)
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SADEX GUI allows you to uncompress all audio files in .sad-archives
which come along with "Black & White". It offers a Graphical User
Interface.

It's quite easy to use. You should have no problems. You can specify
an extraction path. Select the files you want to extract and press
"Extract".

I have discovered three different types of audio files:

- "normal" .wav-files
    (PCM, usually 22050Hz, 16Bit, Mono)

- MPEG-2 Layer II packed .wav-files
    (WAVE_FORMAT_MPEG [format tag 0x50],
     usually 22050Hz, 64KBit, Mono)
    Because you need a special codec to playback these files, SADEX
    automatically converts them into pure MPEG-2 Layer II files (.mp2).
    These files can be played back in any MPEG-Player (like WinAmp).
    You can switch off this feature if you want to.
  
- pure MPEG-2 Layer II files
    (usually 20050Hz, 128KBit, Stereo)
    Music is stored using this format. Music is also segmented in
    several parts which are played one after another in the game.
    SADEX automatically joins these segmented files to one file.
    This file can be played back in any MPEG-Player, too.
    You can switch off this feature if you want to.
    
    
I have also discovered something strange. In the file table there are
sometimes several entries pointing to the same file. Only some bytes
are different and I don't know what these bytes mean. Maybe it was
planned to include more sound effects. If anybody knows more, email me!
  


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Contact
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If you find any bugs in SADEX GUI or for feedback you can email me:
stefanuhrig@gmx.net



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Future Plans
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I think it is possible to manipulate .sad-files so that you can
replace music and speech in the game. Maybe it is possible to
write a SAD-Builder. But there are still many unknown bytes in the
file table entries. If anybody knows something about it, email me!



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History
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30/04/2001
  Initial release of command line SADEX.
  
07/05/2001
  Initial release of SADEX GUI. A bug of SADEX has been fixed.
  It was not possible to extract .SAD-Files containig several
  file table entries pointing to the same file.
  
10/05/2001
  Release of SADEX GUI 1.01
  "Long-opening-times" bug has been fixed
  (thanks to Michael Kraft for his mail).
  Filesize is correct in all cases now.
  
  