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Dear all my fellows;

   I have faced a problem in dealing with the DVB-T Source Coding standards.

   The DCT butterfly method implementation I can not get it at all, also it is requested from me to implement it on MatLab Program. 

    I can deal with the MatLab program but to go to the programming step I have to understand the butterfly method very well.

    If any one of you can help me with some papers it will be greatly appreciated.

Have all my Best wishes & Regards