I don't know what delta is.
For mfbt4 see this:
https://documentation.help/7-Zip/method.htm#MatchFinder
For unpack your bin file use the x command from arc.exe
Code:
Example: arc.exe x data.bin -dp.\unpacked
I suggest you to read arc.exe help for more commands.
Edit:
Quote:
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FreeArc uses LZMA, prediction by partial matching, TrueAudio, Tornado and GRzip algorithms with automatic switching by file type. Additionally, it uses filters to further improve compression, including REP (finds repetitions at separations up to 1gb), DICT (dictionary replacements for text), DELTA (improves compression of tables in binary data), BCJ (executables preproccesor) and LZP (removes repetitions in text).
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