check sum error-detecting system
For example, imagine a Base-64-encoded MPEG that's tested against an embedded check sum.
Read, blank check, verify, compare, erase, program, check sum, memory protect, edit buffer, mass production mode, load file, save file, project file save, change parameter, operation option.
Then it introduces receiving signal as reliability evaluate or weighted coefficient of hard-decision, consequently presents weighted bit-flipping decoding algorithm based on check sum.