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Compression (Compression of different file types (Images (Bitmap graphics…

- - - - Algorithms remove data from the file, removing frequencies that the human ear cant detect and frequencies out of the dynamic range of human hearing
    - - Predicts the frequency of future samples in the file and balances the difference between the prediction and the actual sample
- - - - Run Length Encoding
        
        The algorithm searches for a sequence of data and stores it all as one instance of the sequence, and for how long the sequence is repeated
      - Lempel-Ziv Welch Compression
        
        Uses similar technqies as RLE
        
        Creates a lookup table as the file is read, which is used to identify and assign a code to repeated sequences of code
      - Free Lossless Audio Codec
        
        Designed for music
        
        A mathematical description of each block of data is stored.